National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

CONRAD AG RC (COAM8)

Lat: 48.30453°NLon: 111.92363°WElev: 3706.0ft.

NA

62°F

17°C

Humidity 57%
Wind Speed W 7 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 08 Aug 09:00 PM MDT
Extended Forecast for

Shelby MT

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 54. West northwest wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 54 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 5pm. Sunny, with a high near 75. Northwest wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 75 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 53. Northwest wind 8 to 13 mph becoming light and variable. Winds could gust as high as 21 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. North northwest wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 82. North wind 6 to 9 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Northeast wind 6 to 9 mph becoming southeast after midnight.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. North wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 54. West northwest wind 13 to 15 mph, with gusts as high as 26 mph.
Saturday
A 20 percent chance of showers after 5pm. Sunny, with a high near 75. Northwest wind 13 to 17 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53. Northwest wind 8 to 13 mph becoming light and variable. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 56. North northwest wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 82. North wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 55. Northeast wind 6 to 9 mph becoming southeast after midnight.
Tuesday
Mostly sunny, with a high near 78. North wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shelby MT
 48.5°N 111.87°W (Elev. 3406 ft)
Last Update:
6:31 pm MDT Aug 8, 2025
Forecast Valid:
10pm MDT Aug 8, 2025-6pm MDT Aug 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation