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

Tropical Moisture Producing Heavy Rain in Portions of the Western U.S., Southeast Florida, and Puerto Rico and the U.S. Virgin Islands

Heavy rain and flash flooding will continue across portions of California, the Southwest, and parts of the Southern Rockies. Strong to locally severe thunderstorms and heavy rain will impact portions of the Plains and Mississippi Valley. Tropical moisture is causing heavy rainfall in southeast Florida, Puerto Rico and the Virgin Islands, Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Light Rain

65°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in (1016.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 19 Sep 3:52 am CDT
Extended Forecast for

Coralville IA

  • Overnight

    Overnight: Showers likely, mainly before 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 40%.

    High: 77 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 62. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely, mainly before 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%.
Friday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 78.
Sunday Night
A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 62. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 75.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Coralville IA
 41.69°N 91.61°W (Elev. 666 ft)
Last Update:
2:46 am CDT Sep 19, 2025
Forecast Valid:
4am CDT Sep 19, 2025-6pm CDT Sep 25, 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