Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Current conditions at

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

61°F

16°C

Humidity 50%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 16 Jun 11:43 PM MDT
Extended Forecast for

Big Arm MT

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. West wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light south southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West southwest wind 8 to 13 mph becoming light south southwest  after midnight. Winds could gust as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then rain likely after midnight.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Calm wind.
Tuesday
Sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 52. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 80. Light south southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 53. West southwest wind 8 to 13 mph becoming light south southwest after midnight. Winds could gust as high as 25 mph.
Juneteenth
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 54.
Friday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 75.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then rain likely after midnight. Mostly cloudy, with a low around 50.
Saturday
Rain likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63.
Saturday Night
Rain and possibly a thunderstorm. Mostly cloudy, with a low around 45.
Sunday
Rain. Mostly cloudy, with a high near 58.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44.
Monday
A chance of rain and thunderstorms. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Arm MT
 47.8°N 114.28°W (Elev. 3060 ft)
2:30 pm MDT Jun 16, 2025
12am MDT Jun 17, 2025-6pm MDT Jun 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database