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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045.0ft.

NA

25°F

-4°C

Humidity 51%
Wind Speed NA 4 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 11 Feb 09:00 PM MST
Extended Forecast for

4 Miles SW Windham MT

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind 8 to 10 mph.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 50. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49. West wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Southwest wind 5 to 7 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 48. West wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 28. South southwest wind around 7 mph.

    Low: 28 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 46. South southwest wind 6 to 9 mph.

    High: 46 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before 11pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Southwest wind 8 to 10 mph.
Thursday
Sunny, with a high near 50. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 27. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 49. West wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 29. Southwest wind 5 to 7 mph.
Saturday
Partly sunny, with a high near 48. West wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 28. South southwest wind around 7 mph.
Sunday
A chance of snow. Mostly cloudy, with a high near 46. South southwest wind 6 to 9 mph.
Sunday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 28.
Washington's Birthday
A slight chance of snow before 2pm, then a slight chance of rain. Partly sunny, with a high near 50.
Monday Night
A chance of snow. Mostly cloudy, with a low around 26.
Tuesday
A chance of snow. Mostly cloudy, with a high near 38.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 19.
Wednesday
A chance of snow. Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Windham MT
 47.05°N 110.2°W (Elev. 4600 ft)
Last Update:
5:43 pm MST Feb 11, 2026
Forecast Valid:
9pm MST Feb 11, 2026-6pm MST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation