Weather Alert
Monticello Weather Warning NWS WEATHER ALERT FOR THE MONTICELLO, IL AREA - Issued: 202 PM CDT Thu Oct 15 2026 Monticello Weather Warning

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Monticello, IL Weather - Hour by Hour Forecast

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Monticello, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 71°F22°C, dew point 68°F20°C, humidity 90%. Wind direction is W at 14 mph23 km/h with visibility of 10 mi16 km. Barometric pressure is 29.87 in1012 mb.
Rest of Tonight - A slight chance of thunderstorms early this evening. Mostly cloudy with a chance of showers. Cooler with lows in the upper 40s. We.. Full Forecast
Friday - Mostly cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Breezy and much cooler with highs in th.. Full Forecast

Monticello Hourly Weather

24 Hour Forecast Scroll
Thu, Oct 15
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Monticello, IL Hourly Weather - Cloudy - 9:00 PM Monticello, IL Hourly Weather - Cloudy - 10:00 PM Monticello, IL Hourly Weather - Cloudy - 11:00 PM Monticello, IL Hourly Weather - Mostly Cloudy - 12:00 AM Monticello, IL Hourly Weather - Mostly Cloudy - 1:00 AM Monticello, IL Hourly Weather - Mostly Cloudy - 2:00 AM Monticello, IL Hourly Weather - Clear - 3:00 AM Monticello, IL Hourly Weather - Clear - 4:00 AM Monticello, IL Hourly Weather - Clear - 5:00 AM Monticello, IL Hourly Weather - Clear - 6:00 AM Monticello, IL Hourly Weather - Clear - 7:00 AM Monticello, IL Hourly Weather - Clear - 8:00 AM Monticello, IL Hourly Weather - Clear - 9:00 AM Monticello, IL Hourly Weather - Clear - 10:00 AM Monticello, IL Hourly Weather - Clear - 11:00 AM Monticello, IL Hourly Weather - Clear - 12:00 PM Monticello, IL Hourly Weather - Clear - 1:00 PM Monticello, IL Hourly Weather - Clear - 2:00 PM Monticello, IL Hourly Weather - Clear - 3:00 PM Monticello, IL Hourly Weather - Clear - 4:00 PM Monticello, IL Hourly Weather - Clear - 5:00 PM Monticello, IL Hourly Weather - Clear - 6:00 PM Monticello, IL Hourly Weather - Clear - 7:00 PM Monticello, IL Hourly Weather - Clear - 8:00 PM
Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
46°F8°C 45°F7°C 44°F7°C 44°F7°C 43°F6°C 42°F6°C 41°F5°C 40°F4°C 39°F4°C 38°F3°C 37°F3°C 40°F4°C 43°F6°C 46°F8°C 48°F9°C 50°F10°C 52°F11°C 52°F11°C 53°F12°C 53°F12°C 50°F10°C 47°F8°C 44°F7°C 42°F6°C
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9% 9% 9% 9% 9% 0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 2%
41°F5°C 40°F4°C 39°F4°C 38°F3°C 37°F3°C 36°F2°C 35°F2°C 34°F1°C 33°F1°C 33°F1°C 32°F0°C 33°F1°C 33°F1°C 34°F1°C 33°F1°C 33°F1°C 32°F0°C 31°F-1°C 30°F-1°C 29°F-2°C 29°F-2°C 28°F-2°C 28°F-2°C 28°F-2°C
83% 83% 82% 79% 79% 79% 79% 79% 79% 82% 82% 76% 68% 63% 56% 52% 46% 44% 41% 39% 44% 47% 53% 57%
NNW NNW NNW N N N N N N N N SSW SE NE NE NE NE NE NE NE ENE E E E
18 mph 18 mph 18 mph 17 mph 17 mph 17 mph 12 mph 12 mph 12 mph 8 mph 8 mph 8 mph 9 mph 9 mph 9 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KCMI model statistics.

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Prob Precip % = Probability of Precipitation.

Monticello 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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