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

BIG SHEEP MOUNTAIN (LCFM8)

Lat: 47.02819°NLon: 105.80472°WElev: 3172.0ft.

NA

61°F

16°C

Humidity 64%
Wind Speed WNW 22 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 08 Aug 11:08 PM MDT
Extended Forecast for

23 Miles WSW Brockway MT

Lake Wind Advisory August 9, 12:07am until August 9, 09:00pm
Click here for hazard details and duration
Lake Wind Advisory
  •  
    Lake Wind Advisory August 9, 12:07am until August 9, 09:00pm

    NOW until 9:00pm Sat

    Lake Wind Advisory

  • Overnight

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 73. Breezy, with a west wind 21 to 26 mph, with gusts as high as 36 mph.  Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. West northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. Northwest wind 5 to 9 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. North wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 88 °F

    Sunny

Detailed Forecast

Overnight
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 57. West wind 17 to 20 mph, with gusts as high as 32 mph.
Saturday
A chance of showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 73. Breezy, with a west wind 21 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 55. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 82. West wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 59. West northwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 84. Northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 59. North wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. North northeast wind 6 to 8 mph becoming southeast after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 89. South southeast wind 6 to 8 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. North northeast wind 6 to 8 mph becoming east southeast after midnight.
Thursday
Sunny, with a high near 89.
Thursday Night
A chance of showers. Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 83.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles WSW Brockway MT
 47.23°N 106.25°W (Elev. 2598 ft)
1:48 pm MDT Aug 8, 2025
12am MDT Aug 9, 2025-6pm MDT Aug 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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