Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

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

unknown precip

28°F

-2°C

Humidity 99%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 11 Oct 06:45 PM MDT
Extended Forecast for

5 Miles WSW Lewistown Municipal MT

Winter Storm Warning October 11, 07:02pm until October 12, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning October 11, 07:02pm until October 12, 06:00am

    NOW until 6:00am Mon

    Winter Storm Warning

  • Tonight

    Low: 23 °F

    Heavy Snow

  • Columbus Day

    Columbus Day: A 40 percent chance of snow, mainly before 8am.  Cloudy, with a high near 35. Northwest wind 5 to 7 mph becoming light and variable  in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    then Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. South southeast wind 3 to 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Calm wind becoming south around 5 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. Light south southeast wind.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. South southwest wind 3 to 7 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 52 °F

    Sunny

Detailed Forecast

Tonight
Snow, mainly before 5am. The snow could be heavy at times. Low around 23. North northeast wind 7 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
Columbus Day
A 40 percent chance of snow, mainly before 8am. Cloudy, with a high near 35. Northwest wind 5 to 7 mph becoming light and variable in the afternoon. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 17. South southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 42. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 23. Calm wind becoming south around 5 mph.
Wednesday
Sunny, with a high near 53. Light south southeast wind.
Wednesday Night
Mostly clear, with a low around 30. South southwest wind 3 to 7 mph.
Thursday
Sunny, with a high near 52. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Lewistown Municipal MT
 47.04°N 109.55°W (Elev. 4091 ft)
4:51 pm MDT Oct 11, 2026
7pm MDT Oct 11, 2026-6pm MDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database