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 >

Hazardous Weather Conditions

Current conditions at

Iowa County Airport (KMRJ)

Lat: 42.89°NLon: 90.23°WElev: 1142ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 30.04 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 10 Aug 12:35 am CDT
Extended Forecast for

Mineral Point WI

Flood Watch August 10, 12:49am until August 11, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 10, 12:49am until August 11, 07:00am

    NOW until 7:00am Mon

    Flood Watch

  • Overnight

    Low: 69 °F

    Heavy Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 10am. High near 77. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Heavy Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. West wind around 5 mph becoming calm.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Patchy fog between 3am and 4am. Low around 69. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 10am. High near 77. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 64. West wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers after 1pm. Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mineral Point WI
 42.85°N 90.18°W (Elev. 984 ft)
Last Update:
12:42 am CDT Aug 10, 2025
Forecast Valid:
12am CDT Aug 10, 2025-6pm CDT Aug 16, 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