Hazardous Weather Conditions
Current conditions at
University of Illinois - Willard (KCMI)
Lat: 40.03°NLon: 88.28°WElev: 741ft.
Fair
88°F
31°C
| Humidity | 73% |
| Wind Speed | Vrbl 6 mph |
| Barometer | 30.12 in (1019.4 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 102°F (39°C) |
| Last update | 2 Jul 10:53 am CDT |
Extended Forecast for
Monticello IL
Extreme Heat Warning July 2, 11:53am until July 3, 07:00pm
NOW until 7:00pm Fri

Extreme Heat Warning
Today

High: 92 °F
Sunny
Tonight

Low: 74 °F
Partly Cloudy
Friday

High: 92 °F
Slight Chance
T-stormsFriday Night

Low: 72 °F
Chance
T-stormsIndependence Day
High: 89 °F
Mostly Sunny
then Showers
LikelySaturday Night

Low: 70 °F
Chance
T-stormsSunday
High: 87 °F
Partly Sunny
then Chance
T-stormsSunday Night

Low: 66 °F
Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 92. Heat index values as high as 109. South southwest wind 8 to 11 mph, with gusts as high as 17 mph.
Tonight
Partly cloudy, with a low around 74. South wind 6 to 8 mph.
Friday
A slight chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly between 11pm and 2am. Partly cloudy, with a low around 72. South wind 5 to 7 mph.
Independence Day
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. South southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 6 mph becoming south southeast in the evening.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. West wind 6 to 8 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A chance of showers. Mostly sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Monticello IL
40.03°N 88.58°W (Elev. 650 ft)
40.03°N 88.58°W (Elev. 650 ft)
11:36 am CDT Jul 2, 2026
11am CDT Jul 2, 2026-6pm CDT Jul 8, 2026



