Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. 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 this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

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

unknown precip

38°F

3°C

Humidity 33%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 12 Feb 11:15 AM MST
Extended Forecast for

9 Miles ENE Lewistown MT

  • Today

    Today: Sunny, with a high near 39. West wind around 8 mph, with gusts as high as 18 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. West wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40. West wind around 11 mph, with gusts as high as 21 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Southwest wind 7 to 9 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40. West wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 29. Southwest wind 7 to 9 mph.

    Low: 29 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before 11am.  Mostly cloudy, with a high near 37. West northwest wind around 7 mph.  Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before 11pm.  Mostly cloudy, with a low around 27. West northwest wind around 7 mph becoming south in the evening.

    Low: 27 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: A slight chance of snow.  Partly sunny, with a high near 40.

    High: 40 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 39. West wind around 8 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 27. West wind 10 to 13 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 40. West wind around 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 27. Southwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 40. West wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 29. Southwest wind 7 to 9 mph.
Sunday
A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 37. West northwest wind around 7 mph. Little or no snow accumulation expected.
Sunday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 27. West northwest wind around 7 mph becoming south in the evening.
Washington's Birthday
A slight chance of snow. Partly sunny, with a high near 40.
Monday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow. Mostly cloudy, with a high near 32.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Lewistown MT
 47.1°N 109.25°W (Elev. 5325 ft)
9:12 am MST Feb 12, 2026
11am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database