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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

A Few Clouds

77°F

25°C

Humidity NA
Wind Speed SE 7 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 19 Sep 4:52 pm CDT
Extended Forecast for

University Heights IA

Flood Watch September 19, 05:07pm until September 20, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 19, 05:07pm until September 20, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • This Afternoon

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then showers likely after 4am. Low around 64. North wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 64 °F

    T-storms

  • Sunday

    Sunday: Showers likely, mainly before 8am. Cloudy, with a high near 67. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 57. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind around 5 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then showers likely after 4am. Low around 64. North wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers likely, mainly before 8am. Cloudy, with a high near 67. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 57. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
University Heights IA
 41.65°N 91.58°W (Elev. 748 ft)
Last Update:
3:36 pm CDT Sep 19, 2026
Forecast Valid:
5pm CDT Sep 19, 2026-6pm CDT Sep 26, 2026
 
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