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

80°F

27°C

Humidity 23%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Heat Index79°F (26°C)
Last update 13 Jul 08:00 PM MDT
Extended Forecast for

7 Miles SW Windham MT

  • Tonight

    Tonight: Mostly clear, with a low around 60. North wind around 8 mph becoming south southwest in the evening.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 86. West wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 48. North wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after noon. High near 54. Northeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 54 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Low around 45. Northeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 45 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 58. North northeast wind 8 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    High: 58 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. East wind 10 to 13 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71. South southwest wind 7 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. North wind around 8 mph becoming south southwest in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 86. West wind 8 to 15 mph, with gusts as high as 24 mph.
Monday Night
Showers and possibly a thunderstorm. Low around 48. North wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after noon. High near 54. Northeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Low around 45. Northeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 58. North northeast wind 8 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 44. East wind 10 to 13 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 71. South southwest wind 7 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A slight chance of showers after noon. Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 53.
Saturday
A slight chance of showers. Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 55.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Windham MT
 47°N 110.26°W (Elev. 5374 ft)
Last Update:
2:29 pm MDT Jul 13, 2025
Forecast Valid:
8pm MDT Jul 13, 2025-6pm MDT Jul 20, 2025
 
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Additional Resources

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Chance of Precipitation