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

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fair

89°F

32°C

Humidity 70%
Wind Speed S 14 G 25 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 8 Aug 4:52 pm CDT
Extended Forecast for

Iowa City IA

Flood Watch August 9, 01:00pm until August 11, 01:00pm
Heat Advisory until August 8, 07:00pm
Click here for hazard details and duration
Flood Watch
Heat Advisory
  •  
    Heat Advisory until August 8, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 11am.  Mostly sunny, with a high near 88. South wind around 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am.  Low around 70. Southeast wind 5 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 70 °F

    T-storms
    Likely then
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 84. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Some of the storms could produce heavy rainfall.  Low around 69. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 69 °F

    Heavy Rain

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Heat index values as high as 103. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 75. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 88. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 70. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Some of the storms could produce heavy rainfall. Low around 69. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Iowa City IA
 41.67°N 91.52°W (Elev. 692 ft)
4:32 pm CDT Aug 8, 2025
4pm CDT Aug 8, 2025-6pm CDT Aug 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

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