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

49°F

9°C

Humidity 88%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 15 Jul 01:00 PM MDT
Extended Forecast for

7 Miles SW Windham MT

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 52. Northeast wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Tonight

    Tonight: Rain, mainly before 5am. Low around 43. Northeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 62. East northeast wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 62 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. South wind 14 to 17 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. South southwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 49. North wind 5 to 11 mph becoming west southwest after midnight.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. Light and variable wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. East northeast wind 8 to 10 mph becoming south southwest after midnight.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 82.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 52. Northeast wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain, mainly before 5am. Low around 43. Northeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 62. East northeast wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 46. South wind 14 to 17 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 74. South southwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 49. North wind 5 to 11 mph becoming west southwest after midnight.
Friday
Sunny, with a high near 74. Light and variable wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 53. East northeast wind 8 to 10 mph becoming south southwest after midnight.
Saturday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 82.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 69.
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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:
2:26 pm MDT Jul 15, 2025
Forecast Valid:
3pm MDT Jul 15, 2025-6pm MDT Jul 22, 2025
 
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Additional Resources

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Chance of Precipitation