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

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Partly Cloudy

77°F

25°C

Humidity 45%
Wind Speed W 13 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jun 4:56 pm CDT
Extended Forecast for

Clinton IA

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Northwest wind 5 to 10 mph becoming light and variable.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 4pm. High near 67. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 67 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 77. Northeast wind around 10 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. Northwest wind 5 to 10 mph becoming light and variable.
Sunday
Showers, with thunderstorms also possible after 4pm. High near 67. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 77. Northeast wind around 10 mph.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clinton IA
 41.85°N 90.23°W (Elev. 699 ft)
Last Update:
3:07 pm CDT Jun 20, 2026
Forecast Valid:
5pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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