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

Hazardous Weather Conditions

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Mostly Cloudy

76°F

24°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 76°F (24°C)
Visibility 8.00 mi
Heat Index75°F (24°C)
Last update 16 Aug 2:53 am CDT
Extended Forecast for

Seymour IL

Flood Watch August 16, 03:09am until August 16, 10:00am
Flood Warning August 16, 03:09am until August 16, 12:00pm
Click here for hazard details and duration
Flood Watch
Flood Warning
  •  
    Flood Watch August 16, 03:09am until August 16, 10:00am
    Flood Warning August 16, 03:09am until August 16, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 73 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 84. West wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 68. Northwest wind 5 to 8 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. North northwest wind 6 to 9 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. North northwest wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 67. South southwest wind 3 to 5 mph.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 84. West wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 68. Northwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 81. North northwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 62. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Calm wind becoming west southwest 5 to 7 mph in the morning.
Tuesday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 67. South southwest wind 3 to 5 mph.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seymour IL
 40.11°N 88.44°W (Elev. 699 ft)
Last Update:
2:56 am CDT Aug 16, 2026
Forecast Valid:
3am CDT Aug 16, 2026-6pm CDT Aug 22, 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