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Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

A Few Clouds

67°F

19°C

Humidity 91%
Wind Speed E 6 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Aug 5:56 am CDT
Extended Forecast for

Mount Carroll IL

  • Today

    Today: Sunny, with a high near 89. South wind around 5 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 90. Heat index values as high as 105. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 89. South wind around 5 mph.
Tonight
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 90. Heat index values as high as 105. South wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 90.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Carroll IL
 42.09°N 89.98°W (Elev. 778 ft)
Last Update:
5:17 am CDT Aug 15, 2025
Forecast Valid:
6am 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