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

Georgetown Lake (MTGTL)

Lat: 46.191°NLon: 113.3°WElev: 6338.0ft.

NA

53°F

12°C

Humidity 61%
Wind Speed SW 17 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 08 Aug 04:15 PM MDT
Extended Forecast for

3 Miles NNW Georgetown MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 59. West wind around 15 mph, with gusts as high as 23 mph.

    High: 59 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 37. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming west northwest 5 to 9 mph in the morning.

    High: 66 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 59. West wind around 15 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 37. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming west northwest 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Georgetown MT
 46.24°N 113.28°W (Elev. 6524 ft)
Last Update:
2:30 pm MDT Aug 8, 2025
Forecast Valid:
4pm MDT Aug 8, 2025-6pm MDT Aug 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation