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.

NA

34°F

1°C

Humidity 52%
Wind Speed W 17 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 07 Jan 01:45 PM MST
Extended Forecast for

9 Miles ENE Lewistown MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 35. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph.

    High: 35 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 21. West wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 2pm. Mostly sunny, with a high near 29. West wind 11 to 18 mph, with gusts as high as 32 mph.

    High: 29 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 18. West wind 18 to 21 mph, with gusts as high as 34 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28. West northwest wind 15 to 20 mph, with gusts as high as 32 mph.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. West wind around 18 mph, with gusts as high as 31 mph.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41. West wind 14 to 17 mph, with gusts as high as 30 mph.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 35. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph.
Tonight
Partly cloudy, with a low around 21. West wind 8 to 15 mph, with gusts as high as 26 mph.
Thursday
A 20 percent chance of snow after 2pm. Mostly sunny, with a high near 29. West wind 11 to 18 mph, with gusts as high as 32 mph.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 18. West wind 18 to 21 mph, with gusts as high as 34 mph.
Friday
Partly sunny, with a high near 28. West northwest wind 15 to 20 mph, with gusts as high as 32 mph.
Friday Night
Mostly cloudy, with a low around 26. West wind around 18 mph, with gusts as high as 31 mph.
Saturday
Mostly sunny, with a high near 41. West wind 14 to 17 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 34. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Lewistown MT
 47.1°N 109.25°W (Elev. 5325 ft)
Last Update:
1:57 pm MST Jan 7, 2026
Forecast Valid:
2pm MST Jan 7, 2026-6pm MST Jan 13, 2026
 
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Additional Resources

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Chance of Precipitation