46°32'N / 111°56'V / Altitudine 1276 m / 16:24 01.04.2026, America/Denver (UTC-6)
de la: 01.04.2026, 13:55
la: 02.04.2026, 05:00
* WHAT...Snow expected. Total snow accumulations between 3 and 6 inches, with higher amounts above pass level. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, Elkhorn and Boulder Mountains, and Northwest Beaverhead County. * WHEN...From 6 AM Thursday to 6 AM MDT Friday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. * ADDITIONAL DETAILS...The heavy and wet variety of snow may pose snow load impacts to infrastructure.
Elkhorn and Boulder Mountains,Jefferson
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To 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.
Remember, a Winter Weather Advisory means that there is at least an
80% chance of minor impacts due to winter weather conditions during
the advisory period.
NWS Great Falls MT
01.04.2026, 13:55