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

68°F

20°C

Humidity 16%
Wind Speed NA 13 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 11 Apr 03:00 PM MDT
Extended Forecast for

6 Miles WSW Windham MT

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Southwest wind around 17 mph, with gusts as high as 26 mph.

    High: 69 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 38 °F

    Chance
    Showers then
    Partly 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%.

    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 slight 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.

    High: 51 °F

    Chance
    Rain/Snow
    then Rain
    Likely and
    Breezy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Southwest wind around 17 mph, with gusts as high as 26 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
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%.
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 slight 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.
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:
12:32 pm MDT Apr 11, 2026
Forecast Valid:
3pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation