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Monticello, IL Weather Conditions

Updated: Sun Mar 8th 2026 12:15 PM CDT

Sunny

50^°F 10^°C

Feels Like 45^°F / 7^°C

Monticello, IL weather condition is Sunny and 50°F.

Today's Weather in Monticello,IL

The current weather in Monticello IL as of 12:15 PM CDT on Sun Mar 8th 2026, has a sky condition of Sunny with the visibility of 9 mile(s) and the UV index at 4.1. It is 50 degrees fahrenheit but feels like 45 degrees. The barometric pressure is 29.99 - measured by inches of mercury - and is falling since its last observation. The humidity is 71 percent that's rising since the last report, with a dew point of 40 degrees fahrenheit which is rising. Wind direction is from the Southwest at 15 miles per hour, gusting at 17.2 miles per hour. Sunrise was at 6:17 AM and Sunset is at 5:54 PM. The moon phase is a Waning Gibbous moon rising at 11:41 PM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 6:17 AM

Sunset: 5:54 PM

As of:

Moon

Moonrise: 11:41 PM

Moonset: 8:24 AM

Phase: Waning Gibbous Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

Next 5 Days...

Scattered Rain

Scattered Rain with a high of 68°F and a low of 39°F. Probable rainfall forecasted, having a 70% chance with an estimated 0.01in. Winds will be moderate, blowing around 19mph. The humidity will be on the higher side, reaching around 79%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 68° \| Lo 39°	79%	70% \| est. 0.01in	0%	19 mph

Moderate Rain

Moderate Rain with a high of 74°F and a low of 55°F. Probable rainfall forecasted, having an 89% chance with an estimated 0.6in. Winds will be moderate, blowing around 20mph. Expect high humidity with levels above 80% to 89%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 74° \| Lo 55°	89%	89% \| est. 0.6in	0%	19.2 mph

Heavy Rain

Heavy Rain with a high of 67°F and a low of 37°F. Probable rainfall forecasted, having an 89% chance with an estimated 1.04in. Winds will be strong at speeds peaking at 24mph. Expect high humidity with levels above 80% to 84%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 67° \| Lo 37°	84%	89% \| est. 1.04in	0% \| est. 0in	23.9 mph

Partly Cloudy

Partly Cloudy with a high of 42°F and a low of 26°F. Possible light Snowfall with a 19% chance but not having significate accumulation. Winds will be strong at speeds peaking at 23mph. Humidity levels are comfortable, sitting around 59%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 42° \| Lo 26°	59%	0% \| est. 0in	19%	23 mph

Sunny

Sunny with a high of 61°F and a low of 37°F. Winds will be strong at speeds peaking at 23mph. The humidity will be on the higher side, reaching around 61%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 61° \| Lo 37°	61%	0%	0%	23 mph

Yesterday 5-Day Wind

Weather Radar Map

Live Monticello, IL weather with minute-by-minute precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Thursday, 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 50^°F. The morning temperature of 35°^F is lowest at 6am with the daytime high of 62°^F at 4pm and a low around 48°^F at 11pm is expected.

Hourly Barometric Pressure

The highest pressure today is 30.1^inHg at 8am and lowest being 29.92^inHg at 7pm.

Hourly Wind Speeds

The fastest wind is reported to be 17^mph at 3pm, while the slowest is 5.6^mph around 12am; expect wind gusts peaking 24.9^mph at 11pm. View live wind conditions in Monticello

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