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

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Mostly Cloudy

27°F

-3°C

Humidity 69%
Wind Speed NW 17 mph
Barometer 30.19 in (1023.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 21 Feb 1:56 pm CST
Extended Forecast for

2 Miles ENE Port Byron IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 29. Northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 29 °F

    Cloudy

  • Tonight

    Tonight: A chance of flurries. Cloudy, with a low around 15. Wind chill values as low as zero. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries before 8am. Partly sunny, with a high near 24. Wind chill values as low as zero. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 24 °F

    Chance
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11. Wind chill values as low as -5. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 29. Northwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
A chance of flurries. Cloudy, with a low around 15. Wind chill values as low as zero. Northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
A chance of flurries before 8am. Partly sunny, with a high near 24. Wind chill values as low as zero. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 11. Wind chill values as low as -5. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Thursday
A 30 percent chance of snow. Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Port Byron IL
 41.64°N 90.3°W (Elev. 709 ft)
Last Update:
1:36 pm CST Feb 21, 2026
Forecast Valid:
2pm CST Feb 21, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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