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

48°F

9°C

Humidity 37%
Wind Speed NA 14 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 15 Apr 10:00 AM MDT
Extended Forecast for

6 Miles WSW Windham MT

  • Today

    Today: A slight chance of rain before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 57. West southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 57 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tonight

    Tonight: Snow showers, possibly mixed with rain, becoming all snow after 11pm. Some thunder is also possible. Low around 24. West northwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow likely. Patchy blowing snow after 9am. Mostly cloudy, with a high near 36. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 19. Northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after noon. Partly sunny, with a high near 41. West wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Slight Chance
    Snow then
    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 23. North northwest wind 8 to 14 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.

    Low: 23 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. West northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
A slight chance of rain before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 57. West southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Tonight
Snow showers, possibly mixed with rain, becoming all snow after 11pm. Some thunder is also possible. Low around 24. West northwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely. Patchy blowing snow after 9am. Mostly cloudy, with a high near 36. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 19. Northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after noon. Partly sunny, with a high near 41. West wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 23. North northwest wind 8 to 14 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 52. West northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 32. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 66.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Tuesday
A chance of rain. Mostly sunny, with a high near 68.
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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:
4:02 am MDT Apr 15, 2026
Forecast Valid:
10am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation