More Snow for the North Central U.S.; Critical Fire Weather Conditions Across the West

Low pressure will bring locally heavy snowfall from the Northern Rockies into the Dakotas and parts of Minnesota through Thursday with well below normal temperatures. Farther east, showers and thunderstorms are expected from the Midwest into the Central Plains. Meanwhile, critical fire weather conditions will prevail in California, the Great Basin, and Southern High Plains. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

Lat: 46.88748267° N Lon: 112.1111196° W Elev: 4199 ft.




Humidity 57%
Wind Speed W 13 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 21 Oct 10:28 AM MDT
Detailed forecast for

Central and Southern Lewis and Clark

Rest Of Today
Mostly cloudy with a 50 percent chance of snow and rain. Highs 30 to 40. West winds 5 to 15 mph.
Breezy. Much colder. Snow in the evening, then chance of snow after midnight. Patchy blowing snow through the night. Snow accumulation of 4 to 7 inches. Lows 5 to 15. North winds 15 to 25 mph. Chance of snow near 100 percent.
Colder. Mostly cloudy. A 20 percent chance of snow in the morning. Highs 15 to 20. Northeast winds 5 to 15 mph.
Thursday Night
Colder. Partly cloudy. Lows zero to 5 above zero. East winds 5 to 10 mph shifting to the southwest after midnight.
Mostly cloudy. Snow likely in the afternoon. Light snow accumulations. Highs 15 to 25. Southeast winds up to 5 mph shifting to the northeast in the afternoon. Chance of snow 70 percent.
Friday Night
Snow. Patchy blowing snow. Heavy snow accumulations. Lows 5 to 10. Chance of snow near 100 percent.
Snow likely. Patchy blowing snow. Moderate snow accumulations. Highs 5 to 15. Chance of snow 70 percent.
Saturday Night
Mostly cloudy with a 50 percent chance of snow. Lows around zero.
Mostly cloudy. Highs 10 to 15.
Sunday Night And Monday
Partly cloudy. Lows 5 below to zero. Highs 15 to 25.
Monday Night And Tuesday
Partly cloudy. Lows 5 to 10. Highs 25 to 35.

Click Map For Forecast
1034 AM MDT Wed Oct 21 2020

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database