Hourly Weather Forecast - Sullivan, IL

10 AM
21°F
0%
15mph
W
Partly Cloudy
Humidity
49%
Feels like
8°F
Dew Point
5°F
11 AM
22°F
0%
15mph
W
Mostly Cloudy
Humidity
46%
Feels like
9°F
Dew Point
4°F
12 PM
22°F
0%
16mph
W
Mostly Cloudy
Humidity
43%
Feels like
9°F
Dew Point
4°F
1 PM
22°F
0%
16mph
W
Partly Cloudy
Humidity
43%
Feels like
9°F
Dew Point
3°F
2 PM
21°F
10%
16mph
W
Partly Cloudy
Humidity
44%
Feels like
7°F
Dew Point
3°F
3 PM
19°F
10%
15mph
W
Mostly Cloudy
Humidity
47%
Feels like
5°F
Dew Point
2°F
4 PM
18°F
10%
14mph
W
Mostly Cloudy
Humidity
51%
Feels like
4°F
Dew Point
3°F
4:56 PM
5 PM
18°F
10%
13mph
W
Mostly Cloudy
Humidity
52%
Feels like
4°F
Dew Point
3°F
6 PM
18°F
10%
12mph
W
Mostly Cloudy
Humidity
53%
Feels like
5°F
Dew Point
3°F
7 PM
18°F
30%
11mph
W
30% Chance of Snow
Humidity
54%
Feels like
5°F
Dew Point
4°F
8 PM
17°F
10%
11mph
W
Mostly Cloudy
Humidity
58%
Feels like
4°F
Dew Point
4°F
9 PM
16°F
10%
11mph
W
Mostly Cloudy
Humidity
59%
Feels like
3°F
Dew Point
4°F
10 PM
15°F
10%
11mph
W
Partly Cloudy
Humidity
62%
Feels like
3°F
Dew Point
5°F
11 PM
15°F
10%
10mph
W
Mostly Cloudy
Humidity
63%
Feels like
2°F
Dew Point
4°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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