Hourly Weather Forecast - Illiopolis, IL

5 PM
40°F
0%
11mph
ENE
Cloudy
Humidity
52%
Feels like
33°F
Dew Point
24°F
5:48 PM
6 PM
38°F
10%
10mph
ENE
Cloudy
Humidity
53%
Feels like
32°F
Dew Point
23°F
7 PM
38°F
10%
10mph
ENE
Cloudy
Humidity
54%
Feels like
31°F
Dew Point
23°F
8 PM
37°F
20%
10mph
ENE
Cloudy
Humidity
56%
Feels like
29°F
Dew Point
22°F
9 PM
36°F
40%
10mph
ENE
40% Chance of Flurries
Humidity
60%
Feels like
28°F
Dew Point
23°F
10 PM
35°F
80%
10mph
ENE
80% Chance of Heavy Snow
Humidity
66%
Feels like
27°F
Dew Point
25°F
11 PM
34°F
80%
10mph
E
80% Chance of Snow
Humidity
74%
Feels like
26°F
Dew Point
26°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide