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

Hazardous Weather Conditions

Current conditions at

Morris Muni-James R Washburn Field Airport (KC09)

Lat: 41.43°NLon: 88.42°WElev: 584ft.

Fair

21°C

70°F

Humidity 78%
Wind Speed SW 17 km/h
Barometer 29.86 in
Dewpoint 17°C (63°F)
Visibility 16 km
Last update 16 May 9:42 am CDT
Extended Forecast for

Seneca IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 29. West southwest wind around 15 km/h, with gusts as high as 30 km/h.

    High: 29 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 17. Southeast wind around 10 km/h.

    Low: 17 °C

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 31. Breezy, with a south wind 15 to 25 km/h increasing to 25 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h.

    High: 31 °C

    Slight Chance
    Showers then
    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19. South wind around 25 km/h, with gusts as high as 45 km/h.

    Low: 19 °C

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 30. Breezy, with a south southwest wind 25 to 35 km/h, with gusts as high as 50 km/h. Chance of precipitation is 80%.

    High: 30 °C

    Breezy.
    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °C

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 29. Breezy. Chance of precipitation is 70%.

    High: 29 °C

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 12.

    Low: 12 °C

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 20.

    High: 20 °C

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 29. West southwest wind around 15 km/h, with gusts as high as 30 km/h.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 17. Southeast wind around 10 km/h.
Sunday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 31. Breezy, with a south wind 15 to 25 km/h increasing to 25 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h.
Sunday Night
Mostly clear, with a low around 19. South wind around 25 km/h, with gusts as high as 45 km/h.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 30. Breezy, with a south southwest wind 25 to 35 km/h, with gusts as high as 50 km/h. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 29. Breezy. Chance of precipitation is 70%.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 20.
Wednesday Night
Partly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seneca IL
 41.3°N 88.62°W
Last Update:
8:41 am CDT May 16, 2026
Forecast Valid:
10am CDT May 16, 2026-6pm CDT May 22, 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