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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

A Few Clouds

74°F

23°C

Humidity 79%
Wind Speed NE 7 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Sep 4:52 pm CDT
Extended Forecast for

West Liberty IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 79. Southeast wind around 5 mph.

    High: 79 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 81. Southeast wind around 5 mph becoming south in the afternoon.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 79. Southeast wind around 5 mph.
Tonight
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 81. Southeast wind around 5 mph becoming south in the afternoon.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 79.
Saturday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 77.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Liberty IA
 41.57°N 91.26°W (Elev. 699 ft)
Last Update:
4:30 pm CDT Sep 18, 2025
Forecast Valid:
5pm CDT Sep 18, 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