Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Overcast

73°F

23°C

Humidity 87%
Wind Speed S 17 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 8 Jun 9:53 pm CDT
Extended Forecast for

Monticello IL

Flood Watch June 8, 10:21pm until June 9, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 8, 10:21pm until June 9, 01:00am

    NOW until 1:00am Tue

    Flood Watch

  • Tonight

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 87. West southwest wind 9 to 11 mph, with gusts as high as 17 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 71. South southwest wind 7 to 10 mph, with gusts as high as 16 mph.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 91. Heat index values as high as 100. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 28 mph.

    High: 91 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely after 1am.  Partly cloudy, with a low around 71. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 89. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am.  Low around 65. Breezy, with a south southwest wind 11 to 20 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 87. West southwest wind 9 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. South southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Wednesday
Sunny, with a high near 91. Heat index values as high as 100. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 28 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Partly cloudy, with a low around 71. South southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 1am. Low around 65. Breezy, with a south southwest wind 11 to 20 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Sunday Night
A chance of showers. Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello IL
 40.03°N 88.58°W (Elev. 650 ft)
9:36 pm CDT Jun 8, 2026
10pm CDT Jun 8, 2026-6pm CDT Jun 15, 2026
 
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