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

51°F

11°C

Humidity 46%
Wind Speed NA 6 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 11 Apr 09:00 PM MDT
Extended Forecast for

6 Miles WSW Windham MT

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 38. West wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 56. West wind 7 to 9 mph becoming east northeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before midnight, then rain likely after midnight. Low around 36. East northeast wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers then
    Rain Likely

  • Monday

    Monday: Rain. High near 52. West wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 52 °F

    Rain Likely
    then Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 35. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 35 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 33 mph.

    High: 56 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 35. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.

    Low: 35 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then rain likely. Mostly cloudy, with a high near 51. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 51 °F

    Chance
    Rain/Snow
    then Rain
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Rain/Snow
    then Snow

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 38. West wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 56. West wind 7 to 9 mph becoming east northeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before midnight, then rain likely after midnight. Low around 36. East northeast wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 52. West wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Monday Night
A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 35. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 56. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 33 mph.
Tuesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 35. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
A chance of rain and snow before noon, then rain likely. Mostly cloudy, with a high near 51. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 24.
Thursday
Snow. Mostly cloudy, with a high near 36. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 16.
Friday
A chance of snow. Partly sunny, with a high near 39.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 22.
Saturday
A slight chance of snow. Mostly sunny, with a high near 49.
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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:
9:32 pm MDT Apr 11, 2026
Forecast Valid:
9pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation