Hazardous Weather Conditions
Current conditions at
University of Illinois - Willard (KCMI)
Lat: 40.03°NLon: 88.28°WElev: 741ft.
Fair
83°F
28°C
| Humidity | 85% |
| Wind Speed | S 8 mph |
| Barometer | 30.12 in (1019.3 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 2 Jul 8:53 am CDT |
Extended Forecast for
Monticello IL
Extreme Heat Warning July 2, 08:58am until July 3, 07:00pm
NOW until 7:00pm Fri

Extreme Heat Warning
Today

High: 92 °F
Mostly Sunny
Tonight

Low: 75 °F
Mostly Clear
Friday

High: 92 °F
Chance
T-stormsFriday Night

Low: 73 °F
Chance
T-stormsIndependence Day
High: 90 °F
Mostly Sunny
then T-storms
LikelySaturday Night

Low: 71 °F
Chance
T-stormsSunday
High: 88 °F
Partly Sunny
then Chance
T-stormsSunday Night

Low: 67 °F
Partly Cloudy
Detailed Forecast
Today
Mostly sunny, with a high near 92. Heat index values as high as 105. South southwest wind 7 to 11 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 75. South southwest wind 6 to 8 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 103. South southwest wind 7 to 11 mph, with gusts as high as 17 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind around 7 mph.
Independence Day
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 90. South southwest wind 6 to 9 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 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South southwest wind 5 to 7 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. West northwest wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 87.
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)
5:21 am CDT Jul 2, 2026
8am CDT Jul 2, 2026-6pm CDT Jul 8, 2026



