45°40'N / 111°2'V / Høyde 1471 m / 18:32 02.04.2026, America/Denver (UTC-6)
fra: 02.04.2026, 11:16
til: 03.04.2026, 07:30
* WHAT...Heavy snow. Total snow accumulations between 12 and 18 inches and up to 24 inches along the western slopes of the Tetons. 6 to 10 inches of total snow accumulation is expected in Yellowstone National Park, with amounts up to 18 inches along higher elevations across southern portions of the park. The Mammoth area will see 1 to 3 inches. Winds could gust as high as 45 mph. * WHERE...Teton and Gros Ventre Mountains and Yellowstone National Park. * WHEN...Until 6 PM MDT Friday. * IMPACTS...Travel could be very difficult, including over Teton Pass and Togwotee Pass.
Gallatin
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
NWS Riverton WY
02.04.2026, 11:16fra: 02.04.2026, 16:45
til: 03.04.2026, 06:00
* WHAT...Heavy snow. Additional snow accumulations between 5 and 10 inches. Winds gusting as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...Until noon MDT Friday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Widespread blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches.
GallatinTo see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.NWS Great Falls MT02.04.2026, 16:45fra: 02.04.2026, 16:45
til: 03.04.2026, 06:00
* WHAT...Heavy snow. Additional snow accumulations between 6 and 12 inches. Winds gusting as high as 40 mph. * WHERE...Little Belt and Highwood Mountains and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until noon MDT Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Widespread blowing snow could significantly reduce visibility.
GallatinTo see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.NWS Great Falls MT02.04.2026, 16:45
fra: 02.04.2026, 16:45
til: 03.04.2026, 06:00
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches over the western portions of the Gallatin valley, and up to 6 inches in the city of Bozeman. * WHERE...Gallatin Valley. * WHEN...Until noon MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes.
Gallatin,Gallatin ValleyTo see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.NWS Great Falls MT02.04.2026, 16:45