Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045.0ft.

NA

45°F

7°C

Humidity 88%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 16 Jul 01:00 AM MDT
Extended Forecast for

7 Miles SW Windham MT

  • Overnight

    Overnight: Showers likely, mainly before 5am.  Cloudy, with a low around 44. North northeast wind around 7 mph.  Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • 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. South southwest wind 9 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly before 5am. Cloudy, with a low around 44. North northeast wind around 7 mph. Chance of precipitation is 70%.
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. South southwest wind 9 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
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 after noon. 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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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Windham MT
 47°N 110.26°W (Elev. 5374 ft)
10:19 pm MDT Jul 15, 2025
2am MDT Jul 16, 2025-6pm MDT Jul 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database