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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fair

84°F

29°C

Humidity 67%
Wind Speed S 6 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Aug 11:56 am CDT
Extended Forecast for

5 Miles SE Thomson IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. South wind around 5 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 9pm and 1am. Partly cloudy, with a low around 73. Calm wind becoming north around 5 mph after midnight.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 8am and 10am. Mostly sunny, with a high near 93. Heat index values as high as 102. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 90. South wind around 5 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 9pm and 1am. Partly cloudy, with a low around 73. Calm wind becoming north around 5 mph after midnight.
Saturday
A slight chance of showers and thunderstorms between 8am and 10am. Mostly sunny, with a high near 93. Heat index values as high as 102. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 72. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 92.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Thomson IL
 41.92°N 90.05°W (Elev. 699 ft)
Last Update:
11:47 am CDT Aug 15, 2025
Forecast Valid:
12pm CDT Aug 15, 2025-6pm CDT Aug 21, 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