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

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fair

0°C

32°F

Humidity 82%
Wind Speed Calm
Barometer 30.06 in
Dewpoint -3°C (27°F)
Visibility 16 km
Last update 14 Feb 7:55 am CST
Extended Forecast for

Clinton IL

  • Today

    Today: A 20 percent chance of rain after 3pm. Cloudy, with a high near 11. South wind 5 to 11 km/h.

    High: 11 °C

    Cloudy then
    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly before 9pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 4. South southeast wind around 11 km/h becoming east northeast after midnight. Winds could gust as high as 24 km/h. Chance of precipitation is 60%. New precipitation amounts between 5 and 7.5 mm possible.

    Low: 4 °C

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 14. East northeast wind around 11 km/h becoming west northwest in the afternoon.

    High: 14 °C

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 3. West northwest wind 5 to 11 km/h becoming south southwest after midnight.

    Low: 3 °C

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 16. South southwest wind 11 to 16 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 34 km/h.

    High: 16 °C

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 6. South wind 14 to 16 km/h, with gusts as high as 27 km/h.

    Low: 6 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 16. Breezy, with a south wind 14 to 19 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 42 km/h.

    High: 16 °C

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 11. Breezy.

    Low: 11 °C

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 18. Breezy.

    High: 18 °C

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A 20 percent chance of rain after 3pm. Cloudy, with a high near 11. South wind 5 to 11 km/h.
Tonight
Rain likely, mainly before 9pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 4. South southeast wind around 11 km/h becoming east northeast after midnight. Winds could gust as high as 24 km/h. Chance of precipitation is 60%. New precipitation amounts between 5 and 7.5 mm possible.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 14. East northeast wind around 11 km/h becoming west northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 3. West northwest wind 5 to 11 km/h becoming south southwest after midnight.
Washington's Birthday
Partly sunny, with a high near 16. South southwest wind 11 to 16 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 34 km/h.
Monday Night
Mostly cloudy, with a low around 6. South wind 14 to 16 km/h, with gusts as high as 27 km/h.
Tuesday
Mostly cloudy, with a high near 16. Breezy, with a south wind 14 to 19 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 42 km/h.
Tuesday Night
Mostly cloudy, with a low around 11. Breezy.
Wednesday
Mostly sunny, with a high near 18. Breezy.
Wednesday Night
Partly cloudy, with a low around 3.
Thursday
A chance of rain. Partly sunny, with a high near 15.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 2.
Friday
Partly sunny, with a high near 9.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clinton IL
 40.15°N 88.95°W (Elev. 715 m)
Last Update:
6:36 am CST Feb 14, 2026
Forecast Valid:
8am CST Feb 14, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation