Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

JETTE (JETM8)

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

NA

62°F

17°C

Humidity 57%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 08 Aug 12:43 PM MDT
Extended Forecast for

5 Miles N Big Arm MT

  • This Afternoon

    This Afternoon: A 40 percent chance of rain.  Mostly cloudy, with a high near 76. West wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 76 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 53. West wind 6 to 11 mph becoming light southwest  after midnight. Winds could gust as high as 18 mph.

    Low: 53 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. West wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a high near 76. West wind 10 to 13 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of rain before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. West wind 6 to 11 mph becoming light southwest after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 55. West wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Big Arm MT
 47.86°N 114.3°W (Elev. 2972 ft)
3:30 am MDT Aug 8, 2025
1pm MDT Aug 8, 2025-6pm MDT Aug 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database