Hourly Weather Forecast - Sullivan, IL

12 AM
61°F
60%
11mph
SSW
60% Chance of Rain
Humidity
86%
Feels like
61°F
Dew Point
56°F
1 AM
60°F
60%
10mph
SSW
60% Chance of Rain
Humidity
87%
Feels like
60°F
Dew Point
56°F
2 AM
58°F
70%
11mph
SW
70% Chance of Rain
Humidity
88%
Feels like
58°F
Dew Point
55°F
3 AM
57°F
70%
11mph
SW
70% Chance of Rain
Humidity
88%
Feels like
57°F
Dew Point
54°F
4 AM
56°F
70%
10mph
SW
70% Chance Rain Showers
Humidity
88%
Feels like
56°F
Dew Point
53°F
5 AM
57°F
70%
10mph
WSW
70% Chance Rain Showers
Humidity
83%
Feels like
57°F
Dew Point
52°F
6 AM
58°F
60%
10mph
WSW
60% Chance Rain Showers
Humidity
77%
Feels like
58°F
Dew Point
51°F
6:18 AM
7 AM
60°F
50%
10mph
W
50% Chance Rain Showers
Humidity
68%
Feels like
60°F
Dew Point
49°F
8 AM
61°F
50%
10mph
W
50% Chance Rain Showers
Humidity
61%
Feels like
61°F
Dew Point
47°F
9 AM
61°F
50%
11mph
WNW
50% Chance Rain Showers
Humidity
56%
Feels like
61°F
Dew Point
46°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

Today'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

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