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 69%
Wind Speed NA 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 05 Jul 07:00 AM MDT
Extended Forecast for

10 Miles WSW Windham MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 81. Calm wind becoming north 5 to 7 mph in the morning.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 53. North northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 74. Light and variable wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. East southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Calm wind becoming north northeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. East northeast wind 5 to 7 mph becoming light and variable.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. South southwest wind 5 to 8 mph.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 81. Calm wind becoming north 5 to 7 mph in the morning.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 53. North northwest wind 5 to 8 mph becoming calm after midnight.
Monday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 74. Light and variable wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. East southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Calm wind becoming north northeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. East northeast wind 5 to 7 mph becoming light and variable.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. South southwest wind 5 to 8 mph.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 77.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Windham MT
 47.02°N 110.35°W (Elev. 5387 ft)
Last Update:
5:12 am MDT Jul 5, 2026
Forecast Valid:
7am MDT Jul 5, 2026-6pm MDT Jul 11, 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