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.

Overcast

66°F

19°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 2:53 am CDT
Extended Forecast for

Homer IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 63. West wind around 5 mph.

    Low: 63 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 80. West northwest wind 5 to 8 mph, with gusts as high as 15 mph.

    High: 80 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 75. Light east wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 75 °F

    Chance
    Showers then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 60. South southeast wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 60 °F

    T-storms then
    Showers

  • Monday

    Monday: Partly sunny, with a high near 75. North wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. North northeast wind 5 to 11 mph, with gusts as high as 16 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 63. West wind around 5 mph.
Saturday
A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 80. West northwest wind 5 to 8 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 75. Light east wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 60. South southeast wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Monday
Partly sunny, with a high near 75. North wind 11 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 53. North northeast wind 5 to 11 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Homer IL
 40.05°N 87.95°W (Elev. 669 ft)
Last Update:
1:51 am CDT Jun 20, 2026
Forecast Valid:
3am CDT Jun 20, 2026-6pm CDT Jun 26, 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