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

Morris Muni-James R Washburn Field Airport (KC09)

Lat: 41.43°NLon: 88.42°WElev: 584ft.

Partly Cloudy

37°F

3°C

Humidity 56%
Wind Speed Calm
Barometer 29.53 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 24 Feb 9:35 pm CST
Extended Forecast for

Seneca IL

  • Tonight

    Tonight: A slight chance of rain and snow showers before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Isolated
    Rain/Snow
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 37. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 23. West northwest wind around 5 mph becoming calm after midnight.

    Low: 23 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. Southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Breezy.

    High: 59 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon. Partly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow showers before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 37. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 23. West northwest wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 43. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 27. Southwest wind around 5 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 59. Breezy.
Friday Night
Mostly clear, with a low around 31.
Saturday
A chance of snow after noon. Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow after noon. Partly sunny, with a high near 35.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 35.
Monday Night
A chance of snow. Mostly cloudy, with a low around 24.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seneca IL
 41.3°N 88.62°W
Last Update:
9:46 pm CST Feb 24, 2026
Forecast Valid:
9pm CST Feb 24, 2026-6pm CST Mar 3, 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