Monticello, IL Weather

Updated: Thu Jun 12th 2025 2:15 PM CDT
Overcast

83°F 28°C

Feels Like 85°F / 29°C

Monticello, IL  weather condition is Overcast and 83°F.

Today's Weather in Monticello,IL

The current weather in Monticello IL as of 2:15 PM CDT on Thu Jun 12th 2025, has a sky condition of Overcast with the visibility of 8 mile(s) and the UV index at 6.2. It is 83 degrees fahrenheit but feels like 85 degrees with a forecasted high of 89 and low of 61. The barometric pressure is 30.05 - measured by inches of mercury - and is rising since its last observation. The humidity is 46 percent that's falling since the last report, with a dew point of 64 degrees fahrenheit which is falling. Wind direction is from the South-Southwest at 7.2 miles per hour, gusting at 9 miles per hour. Sunrise was at 5:25 AM and Sunset is at 8:24 PM. The moon phase is a Waning Gibbous moon rising at 10:11 PM with 99% illumination. Thank you for listening to the weather report from LocalConditions.com!

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  • Barometer 30.05 inHg. rising
  • Humidity 46% falling
  • Heat Index 87°F
  • Wind from SSW. 7.2 mph
  • Wind Gust 9 miles per hour
  • Wind Chill 84°F
  • UV Index 6.2
  • Dew Point 64°F falling
  • Visibility 8 mi.
  • Sunrise 5:25 AM
  • Sunset 8:24 PM
  • Moonrise 10:11 PM
  • Moonset 6:03 AM
  • Moon Phase Waning Gibbous Moon 99%

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Hourly Forecast - Next 8 hours

5 Day Forecast

Heavy Rain

Heavy Rain with a high of 76°F and a low of 67°F. Probable rainfall forecasted, having an 88% chance with an estimated 1.99in. Winds will be light at 7mph at times. Expect high humidity with levels above 80% to 90%.

Temperature Humidity Rainfall Snow Wind
Hi 76° | Lo 67° 90% 88% | est. 1.99in 0% 6.7 mph

Heavy Rain

Heavy Rain with a high of 83°F and a low of 68°F. Probable rainfall forecasted, having an 88% chance with an estimated 1.69in. Winds will be light at 9mph at times. Expect high humidity with levels above 80% to 87%.

Temperature Humidity Rainfall Snow Wind
Hi 83° | Lo 68° 87% 88% | est. 1.69in 0% 8.5 mph

Partly Cloudy

Partly Cloudy with a high of 87°F and a low of 69°F. Winds will be light at 9mph at times. The humidity will be on the higher side, reaching around 78%.

Temperature Humidity Rainfall Snow Wind
Hi 87° | Lo 69° 78% 0% | est. 0in 0% 8.1 mph

Scattered Showers

Scattered Showers with a high of 82°F and a low of 68°F. Probable rainfall forecasted, having an 88% chance with an estimated 0.18in. Winds will be moderate, blowing around 13mph. Expect high humidity with levels above 80% to 81%.

Temperature Humidity Rainfall Snow Wind
Hi 82° | Lo 68° 81% 88% | est. 0.18in 0% 12.5 mph

Sunny

Sunny with a high of 85°F and a low of 68°F. Winds will be moderate, blowing around 17mph. Expect high humidity with levels above 80% to 82%.

Temperature Humidity Rainfall Snow Wind
Hi 85° | Lo 68° 82% 0% 0% 16.8 mph

Weather Radar Map

Live Monticello, IL weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Monday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

 

The current temperature today is 83°F. The morning temperature of 62°F is lowest at 4am with the daytime high of 86°F at 11am and a low around 72°F at 11pm is expected.

Hourly Barometric Pressure

 

The highest pressure today is 30.07inHg at 6am and lowest being 29.98inHg at 5pm.

Hourly Wind Speeds

 

The fastest wind is reported to be 8.9mph at 1pm, while the slowest is 2mph around 5am; expect wind gusts peaking 14.1mph at 2am.

More Weather Charts

This weather report is valid for ZIP code 61856, accurately covering the area of Monticello, IL.

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