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

Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Partly Cloudy

74°F

23°C

Humidity 91%
Wind Speed SE 6 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 15 Aug 8:52 am CDT
Extended Forecast for

4 Miles ENE Iowa City IA

  • Today

    Today: Mostly sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 93. Heat index values as high as 105. South wind 5 to 10 mph.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 30%.
Saturday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 93. Heat index values as high as 105. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 73. South wind around 5 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 93.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Iowa City IA
 41.66°N 91.46°W (Elev. 758 ft)
Last Update:
6:04 am CDT Aug 15, 2025
Forecast Valid:
9am CDT Aug 15, 2025-6pm CDT Aug 21, 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