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 >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Thunderstorm in Vicinity

69°F

21°C

Humidity 96%
Wind Speed E 6 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Sep 5:56 pm CDT
Extended Forecast for

Clinton Municipal Automatic Weather Observing IA

Flood Watch September 19, 06:27pm until September 20, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 19, 06:27pm until September 20, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • Tonight

    Low: 64 °F

    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers.  Patchy fog before 9am.  Otherwise, cloudy, with a high near 67. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly after 1am.  Mostly cloudy, with a low around 56. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely.  Cloudy, with a high near 64. East wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely.  Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9pm. Patchy fog after 5am. Low around 64. East wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers. Patchy fog before 9am. Otherwise, cloudy, with a high near 67. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Showers likely. Cloudy, with a high near 64. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Tuesday
Mostly cloudy, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Clinton Municipal Automatic Weather Observing IA
 41.84°N 90.35°W (Elev. 699 ft)
5:36 pm CDT Sep 19, 2026
6pm CDT Sep 19, 2026-6pm CDT Sep 26, 2026
 
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Additional Resources

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