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

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Mostly Cloudy

59°F

15°C

Humidity 93%
Wind Speed S 17 G 29 mph
Barometer 29.77 in (1007.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 8:53 am CST
Extended Forecast for

Seymour IL

  • Today

    Today: A 30 percent chance of showers, mainly before noon. Cloudy, with a temperature rising to near 64 by 11am, then falling to around 49 during the remainder of the day. Breezy, with a south southwest wind 17 to 22 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 64 °F⇓

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West northwest wind 8 to 15 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 61 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 43. South southwest wind around 14 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 28 mph.

    High: 72 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Partly Sunny
    then Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after midnight. Low around 47. Breezy. Chance of precipitation is 90%.

    Low: 47 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers, mainly before noon. High near 60. Breezy. Chance of precipitation is 80%.

    High: 60 °F

    Breezy.
    Showers then
    Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers, mainly before noon. Cloudy, with a temperature rising to near 64 by 11am, then falling to around 49 during the remainder of the day. Breezy, with a south southwest wind 17 to 22 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West northwest wind 8 to 15 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 61. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Clear, with a low around 43. South southwest wind around 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 72. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 54. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after midnight. Low around 47. Breezy. Chance of precipitation is 90%.
Wednesday
Showers, mainly before noon. High near 60. Breezy. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 35. Breezy.
Friday
Mostly cloudy, with a high near 59. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Seymour IL
 40.11°N 88.44°W (Elev. 699 ft)
Last Update:
8:36 am CST Mar 7, 2026
Forecast Valid:
9am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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