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.

Fair

65°F

18°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 4 Aug 5:56 am CDT
Extended Forecast for

Princeton IA

  • Today

    Today: Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 68. West wind around 5 mph becoming northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. High near 78. Southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 68. West wind around 5 mph becoming northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. High near 78. Southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A 40 percent chance of showers. Partly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton IA
 41.68°N 90.35°W (Elev. 669 ft)
Last Update:
5:26 am CDT Aug 4, 2026
Forecast Valid:
6am CDT Aug 4, 2026-6pm CDT Aug 10, 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