National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

unknown precip

31°F

-1°C

Humidity 98%
Wind Speed W 11 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 07 Jan 12:00 PM MST
Extended Forecast for

9 Miles ENE Lewistown MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a temperature falling to around 27 by 5pm. Breezy, with a west wind 24 to 26 mph, with gusts as high as 44 mph.

    High: 35 °F⇓

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Southwest wind 9 to 18 mph, with gusts as high as 32 mph.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. West wind 9 to 17 mph, with gusts as high as 30 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. West wind 17 to 20 mph, with gusts as high as 33 mph.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. West wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. West wind around 14 mph, with gusts as high as 26 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. West wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a temperature falling to around 27 by 5pm. Breezy, with a west wind 24 to 26 mph, with gusts as high as 44 mph.
Tonight
Partly cloudy, with a low around 20. Southwest wind 9 to 18 mph, with gusts as high as 32 mph.
Thursday
Mostly sunny, with a high near 29. West wind 9 to 17 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 19. West wind 17 to 20 mph, with gusts as high as 33 mph.
Friday
Mostly sunny, with a high near 29. West wind 16 to 18 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 25. West wind around 14 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 42. West wind 11 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 34. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Lewistown MT
 47.1°N 109.25°W (Elev. 5325 ft)
Last Update:
9:26 am MST Jan 7, 2026
Forecast Valid:
12pm MST Jan 7, 2026-6pm MST Jan 13, 2026
 
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