News Headlines
Hazardous Weather Conditions
Current conditions at
University of Illinois - Willard (KCMI)
Lat: 40.03°NLon: 88.28°WElev: 741ft.
Overcast
75°F
24°C
| Humidity | 71% |
| Wind Speed | E 5 mph |
| Barometer | 30.02 in (1016.1 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 14 Oct 1:53 pm CDT |
Extended Forecast for
Monticello IL
This Afternoon

High: 77 °F
Slight Chance
ShowersTonight
Low: 59 °F
Mostly Cloudy
then Slight
Chance
ShowersThursday

High: 76 °F
Showers
Thursday Night
Low: 49 °F
T-storms
Likely then
Chance
Showers and
BreezyFriday
High: 57 °F
Breezy.
Partly Sunny
then Chance
ShowersFriday Night

Low: 38 °F
Partly Cloudy
Saturday

High: 59 °F
Sunny
Saturday Night

Low: 35 °F
Clear then
Areas FrostSunday

High: 66 °F
Areas Frost
then Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of showers before 3pm. Mostly cloudy, with a high near 77. North northeast wind around 8 mph.
Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 59. East northeast wind 8 to 11 mph, with gusts as high as 16 mph.
Thursday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 76. East wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 4am. Mostly cloudy, with a low around 49. Breezy, with a southwest wind 9 to 14 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 57. Breezy, with a northwest wind 22 to 25 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 38. North wind 11 to 18 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 59. North wind 5 to 8 mph becoming calm in the afternoon.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 35.
Sunday
Areas of frost before 7am. Otherwise, sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Monticello IL
40.03°N 88.56°W (Elev. 689 ft)
40.03°N 88.56°W (Elev. 689 ft)
1:26 pm CDT Oct 14, 2026
1pm CDT Oct 14, 2026-6pm CDT Oct 20, 2026



