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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Monticello IL

  • Overnight

    Overnight: Partly cloudy, with a low around 72. South wind 3 to 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. Southwest wind 6 to 11 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 8 mph.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind 8 to 11 mph, with gusts as high as 16 mph.

    High: 83 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. Northeast wind around 8 mph.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81. Northeast wind around 7 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South southeast wind around 6 mph.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 72. South wind 3 to 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. Southwest wind 6 to 11 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 8 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind 8 to 11 mph, with gusts as high as 16 mph.
Thursday Night
Mostly cloudy, with a low around 64. Northeast wind around 8 mph.
Friday
Partly sunny, with a high near 81. Northeast wind around 7 mph.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South southeast wind around 6 mph.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello IL
 40.03°N 88.58°W (Elev. 650 ft)
Last Update:
5:56 pm CDT Jul 15, 2025
Forecast Valid:
12am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
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