Alerts from NWS Riverton WY (UNOFFICIAL)
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Alerts from NWS Riverton WY (UNOFFICIAL)
@riw.nws-bot.us
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🚨 High Wind Warning issued January 15 at 1:26AM MST until January 16 at 5:00PM MST by NWS Riverton WY 🚨
Additional Details Here.
* WHAT...Northwest winds 25 to 40 mph with gusts around 60 mph possible. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 3 PM this afternoon to 5 PM MST Friday. * IMPACTS...Strong winds could make travel difficult, especially for high profile vehicles.
January 15, 2026 at 8:30 AM
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🚨 High Wind Watch issued January 14 at 12:06PM MST until January 16 at 5:00PM MST by NWS Riverton WY 🚨
Additional Details Here.
* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From Thursday afternoon through Friday afternoon. * IMPACTS...Strong winds could make travel difficult, especially for high profile vehicles.
January 14, 2026 at 7:15 PM
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Winter Weather Advisory issued January 7 at 4:36AM MST until January 7 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow. Additional snow accumulations of 6 to 12 inches along the plateaus of southwestern Yellowstone National Park. Generally 1 to 3 inches of additional accumulation elsewhere. Winds gusting as high as 40 mph. * WHERE...Yellowstone National Park. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult, especially in the backcountry. * WHAT...Snow. Additional snow accumulations of 6 to 12 inches. Winds gusting as high as 40 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult at times, especially over Teton and Togwotee Passes.
January 7, 2026 at 11:45 AM
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Winter Weather Advisory issued January 6 at 12:34PM MST until January 7 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow expected. Additional snow accumulations of 1 to 2 inches nearby Mammoth and higher accumulations of 10 to 14 inches near the South Entrance. Up to 2 feet of additional snow accumulations in southwest portions of Yellowstone. Widespread wind gusts of 25 to 35 mph, with higher elevations gusting up to 50 mph. * WHERE...Yellowstone National Park. * WHEN...Until 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult, especially in the backcountry. * ADDITIONAL DETAILS...Snowfall will vary between light to moderate intensity through Wednesday evening. The most likely period of moderate snowfall will be Tuesday evening through Wednesday morning. * WHAT...Snow expected. Additional snow accumulations of 6 to 11 inches. Additional accumulations of 12 to 16 inches are expected in the higher elevations with amounts nearing 2 feet in the Tetons. Widespread wind gusts of 25 to 35 mph, with higher elevations gusting around 45 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult at times, especially over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Snowfall will vary between light to moderate intensity through Wednesday evening. The most likely period of moderate snowfall will be Tuesday evening through Wednesday morning.
January 6, 2026 at 7:45 PM
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Winter Weather Advisory issued January 6 at 4:55AM MST until January 7 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches with amounts of 1 to 2 inches nearby Mammoth. Locally higher amounts of 10 to 16 inches near the South Entrance and up to 2 feet in southwestern portions of the park. Winds may gust as high as 50 mph at times. * WHERE...Yellowstone National Park. * WHEN...Until 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult, especially in the backcountry. * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches. Locally higher amounts of 12 to 18 inches in the higher elevations with amounts nearing 2 feet in the Tetons. Winds may gust as high as 45 mph at times. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult at times, including over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Snowfall rates will vary through Wednesday. Snow will be lighter today before picking back up late this evening.
January 6, 2026 at 12:00 PM
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Winter Weather Advisory issued January 5 at 1:47PM MST until January 7 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches with amounts of 1 to 2 inches nearby Mammoth. Locally higher amounts of 10 to 16 inches near the South Entrance and up to 2 feet in southwestern portions of the park. Winds may gust as high as 50 mph at times. * WHERE...Yellowstone National Park. * WHEN...From 11 PM this evening to 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult especially in the backcountry. * ADDITIONAL DETAILS...Light to moderate snowfall will occur over a period of nearly 48 hours. There will be heavier periods of snowfall, likely Tuesday morning and once again Wednesday morning. * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches. Locally higher amounts of 12 to 18 inches in the higher elevations with amounts nearing 2 feet in the Tetons. Winds may gust as high as 45 mph at times. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 PM this evening to 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult at times. The hazardous conditions could impact commutes over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Light to moderate snowfall will occur over a period of nearly 48 hours. There will be heavier periods of snowfall, likely Tuesday morning and once again Wednesday morning.
January 5, 2026 at 9:00 PM
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Winter Weather Advisory issued January 5 at 10:38AM MST until January 5 at 11:00AM MST by NWS Riverton WY
Additional Details Here.
The heaviest snowfall has come to an end, however some snow showers will linger across the area through the afternoon. Additional snow accumulations through this afternoon will be minimal, ranging from a coating to an inch or two and possibly a few inches in the highest elevations.
January 5, 2026 at 5:45 PM
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Winter Weather Advisory issued January 5 at 5:23AM MST until January 5 at 11:00AM MST by NWS Riverton WY
Additional Details Here.(1/2)
* WHAT...Snow. Additional snow accumulations up to 4 inches across southwestern portions of Yellowstone National Park. Less than half an inch of additional accumulation near Mammoth. * WHERE...Yellowstone National Park. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be difficult. * ADDITIONAL DETAILS...After a lull this afternoon, snowfall rates are expected to increase overnight. * WHAT...Snow. Additional snow accumulations between 4 and 6 inches across the Teton, Gros Ventre, and Snake River ranges. Additional accumulation between 2 and 4 inches over Teton Pass and Togwotee Pass. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute over Teton Pass and Togwotee Pass. * ADDITIONAL DETAILS...After a lull this afternoon, snowfall rates are expected to increase overnight, especially in the Tetons. * WHAT...Snow. Additional snow accumulations between 2 and 4 inches. * WHERE...Wind River Mountains West. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be very difficult. * WHAT...Snow. Additional snow accumulations between 1 and 3 inches. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be very difficult.
January 5, 2026 at 12:30 PM
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Winter Weather Advisory issued January 4 at 1:10PM MST until January 5 at 11:00AM MST by NWS Riverton WY
Additional Details Here.(1/2)
* WHAT...Snow. Total snow accumulations 2 to 4 inches with amounts around a trace nearby Mammoth. Locally higher amounts up to 10 inches near the South Entrance and up to 14 inches in southwestern portions of the park. * WHERE...Yellowstone National Park. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be difficult. * WHAT...Snow. Total snow accumulations between 6 and 10 inches. Locally higher amounts up to 16 inches in the Tetons. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute over Teton and Togwotee Passes. * WHAT...Snow. Total snow accumulations 6 to 10 inches with locally higher amounts up to 2 feet. Snow accumulations of 4 to 8 inches along South Pass. * WHERE...Wind River Mountains West. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult especially along South Pass late Sunday evening and early Monday morning. * WHAT...Snow. Total snow accumulations between 6 and 10 inches, with locally higher amounts of 12 to 16 inches. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult.
January 4, 2026 at 8:15 PM
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Winter Weather Advisory issued January 4 at 3:00AM MST until January 5 at 11:00AM MST by NWS Riverton WY
Additional Details Here.(1/2)
* WHAT...Snow expected. Total snow accumulations 4 to 8 inches with lesser amounts nearby Mammoth. Locally higher amounts up to 12 inches near the South Entrance and up to 2 feet in southwestern portions of the park. Winds gusting as high as 45 mph through the day Sunday. * WHERE...Yellowstone National Park. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday morning and evening commute. * WHAT...Snow expected. Total snow accumulations between 8 and 16 inches. Locally higher amounts up to 2 feet in the Tetons. Winds gusting as high as 40 mph early Sunday morning and again in the afternoon. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday evening and Monday morning commute over Teton and Togwotee Passes. * WHAT...Snow expected. Total snow accumulations 4 to 8 inches with locally higher amounts of 12 to 16 inches. Snow expected over South Pass tonight and Sunday evening. Winds gusting as high as 50 mph this afternoon. * WHERE...Wind River Mountains West. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday morning and evening commute. * WHAT...Snow expected. Total snow accumulations between 6 and 12 inches, with locally higher amounts of 12 to 18 inches. Winds gusting as high as 35 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday morning and evening commute.
January 4, 2026 at 10:15 AM
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Winter Weather Advisory issued January 3 at 12:56PM MST until January 5 at 11:00AM MST by NWS Riverton WY
Additional Details Here.(1/2)
* WHAT...Snow expected. Total snow accumulations 4 to 8 inches with lesser amounts nearby Mammoth. Locally higher amounts up to 16 inches near the South Entrance and up to 2 feet in southwestern portions of the park. Winds gusting as high as 45 mph tonight through Sunday morning. * WHERE...Yellowstone National Park. * WHEN...From 11 PM this evening to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * WHAT...Snow expected. Total snow accumulations between 8 and 16 inches. Locally higher amounts up to 2 feet in the Tetons. Winds gusting as high as 40 mph tonight into Sunday morning. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 PM this evening to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute over Teton and Togwotee Passes. * WHAT...Snow expected. Total snow accumulations 4 to 8 inches with locally higher amounts of 12 to 16 inches. Snow expected over South Pass tonight and Sunday evening. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...From 11 PM this evening to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday morning and evening commutes. * WHAT...Snow expected. Total snow accumulations between 6 and 12 inches, with locally higher amounts of 12 to 18 inches. Winds gusting as high as 40 mph tonight into Sunday morning. * WHERE...Salt River and Wyoming Ranges. * WHEN...From 11 PM this evening to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday morning and evening commutes.
January 3, 2026 at 8:00 PM
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Winter Weather Advisory issued January 3 at 1:27AM MST until January 5 at 11:00AM MST by NWS Riverton WY
Additional Details Here.(1/2)
* WHAT...Snow expected. Total snow accumulations 4 to 8 inches. Locally higher amounts up to 16 inches near the South Entrance and up to 2 feet in southwestern portions of the park. Winds gusting as high as 45 mph tonight through Sunday morning. * WHERE...Yellowstone National Park. * WHEN...From 11 PM this evening to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * WHAT...Snow expected. Total snow accumulations between 8 and 16 inches. Locally higher amounts up to 2 feet in the Tetons. Winds gusting as high as 40 mph tonight into Sunday morning. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 PM this evening to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute over Teton and Togwotee Passes. * WHAT...Snow expected. Total snow accumulations 4 to 8 inches with locally higher amounts of 12 to 16 inches. Snow expected over South Pass tonight and Sunday evening. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains West. * WHEN...From 11 PM this evening to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday morning and evening commutes. * WHAT...Snow expected. Total snow accumulations between 6 and 12 inches, with locally higher amounts of 12 to 18 inches. Winds gusting as high as 40 mph tonight into Sunday morning. * WHERE...Salt River and Wyoming Ranges. * WHEN...From 11 PM this evening to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday morning and evening commutes.
January 3, 2026 at 8:30 AM
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Winter Weather Advisory issued January 2 at 1:48AM MST until January 2 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow. Additional snow accumulations of 3 to 6 inches with locally higher amounts up to 12 inches in the Tetons and Salt River Range. Winds gusting 25 to 35 mph through the morning, decreasing through the afternoon. * WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming Ranges. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Friday morning and evening commutes.
January 2, 2026 at 9:00 AM
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Winter Weather Advisory issued January 1 at 12:49PM MST until January 2 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches. Locally higher amounts of 12 to 16 inches over the Tetons and the Salt River Range. Wind gusts up to 30 mph late tonight into Friday morning. * WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming Ranges. * WHEN...Until 5 PM MST Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes.
January 1, 2026 at 8:00 PM
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Winter Weather Advisory issued January 1 at 1:45AM MST until January 2 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches. Locally higher amounts of 12 to 16 inches over the Tetons and the Salt River Range. Wind gusts up to 30 mph late tonight into Friday morning. * WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming Ranges. * WHEN...From 2 PM this afternoon to 5 PM MST Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes.
January 1, 2026 at 9:00 AM
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Special Weather Statement issued December 27 at 7:36PM MST by NWS Riverton WY
Additional Details Here.
This is a special weather statement from the National Weather Service Office in Riverton. * WHAT...Periods of snow with 1 to 3 inches of accumulation possible. Northwest wind gusting as high as 30 to 40 mph limiting visibility less than a mile at times. * WHERE...Natrona County, especially along Interstate 25 and Highway 26. * WHEN...This evening through 9PM. * ADDITIONAL DETAILS...Travel will be impacted.
December 28, 2025 at 2:45 AM
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Winter Weather Advisory issued December 27 at 3:39AM MST until December 27 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow. Additional snow accumulations between 2 and 6 inches, with the highest amounts in southwestern Yellowstone park. Winds gusting as high as 40 mph. * WHERE...Yellowstone National Park. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel will be difficult in the backcountry. * WHAT...Snow. Additional snow accumulations of 3 to 6 inches, with locally higher amounts on the higher peaks of the Tetons and Wind River Range. Winds gusting as high as 50 mph. * WHERE...Wind River Mountains West, Absaroka Mountains, Teton and Gros Ventre Mountains, and Salt River and Wyoming Ranges. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult, especially across mountain passes.
December 27, 2025 at 10:45 AM
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Special Weather Statement issued December 27 at 3:42AM MST by NWS Riverton WY
Additional Details Here.
This is a special weather statement from the National Weather Service Office in Riverton. * WHAT...Periods of snow with 1 to 3 inches of accumulation possible. Northwest wind gusting as high as 50 mph. * WHERE...Johnson County. * WHEN...This afternoon and evening. * ADDITIONAL DETAILS...Rapidly falling temperatures could bring a flash freeze to roadways later this afternoon and evening.
December 27, 2025 at 10:45 AM
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Winter Weather Advisory issued December 26 at 12:39PM MST until December 27 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches across the lower elevations, and 8 to 14 inches across the higher elevations. Portions of southwestern YNP, such as Pitchstone Plateau, may see higher amounts nearing 20 inches. Winds from the southwest at 10 to 20 mph with periodic gusts up to 30 mph. * WHERE...Yellowstone National Park. * WHEN...Until 5 PM MST Saturday. * IMPACTS...Travel will be difficult in the backcountry. * ADDITIONAL DETAILS...Advisories have been extended through Saturday evening due to a second push of snow that will arrive early Saturday morning and linger into the afternoon. * WHAT...Snow expected. Total snow accumulations between 8 and 14 inches, with amounts of 14 to 20 inches at the higher elevations. Some of the highest peaks may see isolated amounts nearing 2 feet. Winds from the southwest at 15 to 25 mph with periodic gusts of 25 to 35 mph. * WHERE...Wind River Mountains West, Absaroka Mountains, Teton and Gros Ventre Mountains, and Salt River and Wyoming Ranges. * WHEN...Until 5 PM MST Saturday. * IMPACTS...Travel could be very difficult, especially across mountain passes. * ADDITIONAL DETAILS...Snow totals of 3 to 6 inches on South Pass and 6 to 12 inches on Togwotee Pass and Teton Passes. Advisories have been extended through Saturday evening due to a second push of snow that will arrive early Saturday morning and linger into the afternoon.
December 26, 2025 at 7:45 PM
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Winter Weather Advisory issued December 26 at 3:26AM MST until December 26 at 11:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches across the lower elevations, and totals 6 to 10 inches across the higher elevations. Winds gusting as high as 45 mph. * WHERE...Yellowstone National Park. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel will be difficult in the backcountry. * ADDITIONAL DETAILS...Locally higher amounts 12 to 20 inches over the Madison and Pitchstone Plateaus of southwest Yellowstone. Snow totals of half an inch to 3 inches around Mammoth. * WHAT...Snow expected. Total snow accumulations between 6 and 10 inches, with isolated amounts 10 to 15 inches at the highest elevations. Winds gusting as high as 45 mph. * WHERE...Wind River Mountains West, Absaroka Mountains, Teton and Gros Ventre Mountains, and Salt River and Wyoming Ranges. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be very difficult, especially across mountain passes. * ADDITIONAL DETAILS...Snow totals up to 6 inches on South Pass, 5 to 10 inches on Togwotee Pass, and 5 to 10 inches on Teton Pass.
December 26, 2025 at 10:30 AM
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Winter Weather Advisory issued December 25 at 12:21PM MST until December 26 at 11:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches across the lower elevations, and totals 6 to 10 inches across the higher elevations. Winds gusting as high as 45 mph. * WHERE...Yellowstone National Park. * WHEN...From 5 AM to 11 PM MST Friday. * IMPACTS...Travel will be difficult in the backcountry. * ADDITIONAL DETAILS...Locally higher amounts 12 to 20 inches over the Madison and Pitchstone Plateaus of southwest Yellowstone. Snow totals of half an inch to 3 inches around Mammoth. * WHAT...Snow expected. Total snow accumulations between 6 and 10 inches, with isolated amounts 10 to 15 inches at the highest elevations. Winds gusting as high as 45 mph. * WHERE...Wind River Mountains West, Absaroka Mountains, Teton and Gros Ventre Mountains, and Salt River and Wyoming Ranges. * WHEN...From 5 AM to 11 PM MST Friday. * IMPACTS...Travel could be very difficult, especially across mountain passes. * ADDITIONAL DETAILS...Snow totals up to 6 inches on South Pass, 5 to 10 inches on Togwotee Pass, and 5 to 10 inches on Teton Pass.
December 25, 2025 at 7:30 PM
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🚨 High Wind Warning issued December 25 at 10:33AM MST until December 25 at 11:00AM MST by NWS Riverton WY 🚨
Additional Details Here.
The strongest winds have ended. Gusty winds up to 50 mph will continue through mid-afternoon, decreasing into this evening.
December 25, 2025 at 5:45 PM
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Special Weather Statement issued December 25 at 6:28AM MST by NWS Riverton WY
Additional Details Here.
This is a special weather statement from the National Weather Service Office in Riverton. * WHAT...Southwest wind 25 to 35 mph with gusts to 50 to 55 mph. * WHERE...Johnson County. * WHEN...Through this morning. * ADDITIONAL DETAILS...Travelers should be alert for strong crosswinds, including along Interstates 25 and 90.
December 25, 2025 at 1:30 PM
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Winter Weather Advisory issued December 25 at 2:19AM MST until December 25 at 5:00PM MST by NWS Riverton WY
Additional Details Here.
* WHAT...Snow. Additional snow accumulations of 4 to 8 inches. Winds gusting as high as 45 mph. * WHERE...Wind River Mountains West and Teton and Gros Ventre Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be difficult, including over Teton and Togwotee Passes.
December 25, 2025 at 9:30 AM
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🚨 High Wind Warning issued December 25 at 2:21AM MST until December 25 at 11:00AM MST by NWS Riverton WY 🚨
Additional Details Here.
* WHAT...Southwest winds 40 to 50 mph with gusts up to 75 mph. * WHERE...Wind River Mountains East. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel will be difficult, especially for high profile vehicles. This includes over South Pass. * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. Locally higher gusts are possible on the south side of Casper. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel may be difficult, especially for high profile vehicles.
December 25, 2025 at 9:30 AM