45°46'N / 111°11'O / Altitudine 1359 m / 03:13 14/03/2026, America/Denver (UTC-6)
Da: 13/03/2026, 12:48
A: 14/03/2026, 04:00
* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Southwestern Montana along and south of Interstate 90, Big Belt, Bridger and Castle Mountains, Elkhorn and Boulder Mountains, and Canyon Ferry Area. * WHEN...From noon to 9 PM MDT Saturday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. Blowing dust could reduce visibility at times, particularly in the Interstate 90 Corridor. * ADDITIONAL DETAILS...A few heavy snow showers or snow squalls will be possible as well, particularly in the afternoon.
Da: 13/03/2026, 20:31
A: 14/03/2026, 06:15
* WHAT...Heavy snow. Additional snow accumulations 6 to 12 inches, with amounts in excess of a foot over the higher peaks. Winds gusting over 50 mph at times on Saturday * WHERE...Big Belt, Bridger and Castle Mountains, Elkhorn and Boulder Mountains, Helena Valley, and Meagher County Valleys. * WHEN...Until 6 PM MDT Saturday. * IMPACTS...Plan for snowpacked and slippery roads. Snow and blowing snow may significantly reduce visibility at times on Saturday. Tire chains may be required for some vehicles if traveling through mountain passes. * ADDITIONAL DETAILS...A cold front will bring gusty west to northwesterly winds and falling temperatures by Saturday afternoon. Any wet pavement surfaces will freeze and become icy.
Da: 14/03/2026, 06:00
A: 14/03/2026, 07:00
* WHAT...Snow expected. Total snow accumulations of an inch or two at Mammoth and the Lamar Valley, 4 to 8 inches throughout the Park, and 10 to 15 inches over the Pitchstone Plateau and high peaks. Winds gusting 35 to 50 mph. * WHERE...Yellowstone National Park. * WHEN...From 6 AM to 11 PM MDT Saturday. * IMPACTS...Expect wintry travel and backcountry conditions.