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

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

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

NA

39°F

4°C

Humidity 84%
Wind Speed NA 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 12 Apr 11:00 PM MDT
Extended Forecast for

6 Miles WSW Windham MT

  • Tonight

    Tonight: A chance of rain showers before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a steady temperature around 38. South southeast wind around 6 mph becoming west southwest after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 38 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A slight chance of rain and snow before 8am, then a chance of rain after 10am. Partly sunny, with a high near 55. West southwest wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 55 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain before midnight. Partly cloudy, with a low around 34. West southwest wind around 14 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 57. West southwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely after noon. Mostly cloudy, with a high near 56. West southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    High: 56 °F

    Mostly Cloudy
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain before 9pm, then rain and snow between 9pm and 3am, then snow after 3am. Low around 25. West northwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Rain/Snow

  • Thursday

    Thursday: Snow. Mostly cloudy, with a high near 36. Breezy, with a west northwest wind 18 to 26 mph, with gusts as high as 37 mph.

    High: 36 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of rain showers before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a steady temperature around 38. South southeast wind around 6 mph becoming west southwest after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A slight chance of rain and snow before 8am, then a chance of rain after 10am. Partly sunny, with a high near 55. West southwest wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
A 50 percent chance of rain before midnight. Partly cloudy, with a low around 34. West southwest wind around 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 57. West southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 36. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
Rain likely after noon. Mostly cloudy, with a high near 56. West southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Wednesday Night
Rain before 9pm, then rain and snow between 9pm and 3am, then snow after 3am. Low around 25. West northwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. Mostly cloudy, with a high near 36. Breezy, with a west northwest wind 18 to 26 mph, with gusts as high as 37 mph.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 18.
Friday
A chance of snow, mainly after noon. Partly sunny, with a high near 42.
Friday Night
A chance of snow. Mostly cloudy, with a low around 24.
Saturday
A chance of snow. Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Windham MT
 47.07°N 110.27°W (Elev. 4918 ft)
Last Update:
9:37 pm MDT Apr 12, 2026
Forecast Valid:
11pm MDT Apr 12, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation