Hourly Weather Forecast - Sullivan, IL

12 AM
27°F
0%
4mph
SE
Partly Cloudy
Humidity
89%
Feels like
22°F
Dew Point
24°F
1 AM
26°F
0%
4mph
SE
Partly Cloudy
Humidity
93%
Feels like
21°F
Dew Point
24°F
2 AM
24°F
0%
4mph
SE
Hazy
Humidity
95%
Feels like
20°F
Dew Point
23°F
3 AM
23°F
0%
3mph
SE
Hazy
Humidity
98%
Feels like
19°F
Dew Point
23°F
4 AM
22°F
0%
3mph
ESE
Foggy
Humidity
100%
Feels like
18°F
Dew Point
22°F
5 AM
22°F
0%
4mph
ESE
Hazy
Humidity
98%
Feels like
17°F
Dew Point
22°F
6 AM
23°F
0%
4mph
ESE
Hazy
Humidity
95%
Feels like
18°F
Dew Point
22°F
6:54 AM
7 AM
26°F
0%
4mph
SE
Sunny
Humidity
89%
Feels like
21°F
Dew Point
23°F
8 AM
29°F
0%
4mph
SE
Sunny
Humidity
83%
Feels like
25°F
Dew Point
25°F
9 AM
32°F
0%
4mph
SSE
Sunny
Humidity
79%
Feels like
28°F
Dew Point
27°F
10 AM
36°F
0%
4mph
SSE
Sunny
Humidity
76%
Feels like
32°F
Dew Point
29°F
11 AM
38°F
0%
5mph
S
Sunny
Humidity
74%
Feels like
34°F
Dew Point
30°F
12 PM
40°F
0%
6mph
S
Sunny
Humidity
71%
Feels like
36°F
Dew Point
32°F
1 PM
42°F
0%
6mph
S
Sunny
Humidity
68%
Feels like
38°F
Dew Point
32°F
2 PM
42°F
0%
6mph
S
Mostly Sunny
Humidity
68%
Feels like
39°F
Dew Point
32°F
3 PM
42°F
0%
6mph
S
Mostly Sunny
Humidity
68%
Feels like
38°F
Dew Point
32°F
4 PM
41°F
0%
6mph
S
Mostly Sunny
Humidity
71%
Feels like
37°F
Dew Point
32°F
5 PM
39°F
0%
6mph
S
Sunny
Humidity
75%
Feels like
35°F
Dew Point
32°F
5:23 PM
6 PM
37°F
0%
6mph
SSE
Clear
Humidity
81%
Feels like
33°F
Dew Point
32°F
7 PM
36°F
0%
6mph
SSE
Mostly Clear
Humidity
85%
Feels like
31°F
Dew Point
32°F
8 PM
35°F
0%
6mph
S
Mostly Clear
Humidity
87%
Feels like
30°F
Dew Point
32°F
9 PM
35°F
0%
7mph
S
Mostly Clear
Humidity
89%
Feels like
29°F
Dew Point
32°F
10 PM
35°F
0%
7mph
S
Mostly Clear
Humidity
90%
Feels like
29°F
Dew Point
32°F
11 PM
35°F
0%
7mph
S
Mostly Clear
Humidity
90%
Feels like
29°F
Dew Point
32°F

Today's Weather Outlook

Today's Weather Outlook

Quiet and warm weather continues for the Western U.S., while wetter weather occurs on the opposite end of the nation.

Image courtesy of Pixabay.com

All About Snow Squalls

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

(Image provided by Pixabay.com)

Before A Winter Storm: Prep Your Pets!

A person in a pink coat and red mittens holding a snowball. (Image by Dmitriy Gutarev from Pixabay)

Cold Weather and Worsening Health Conditions

Windchill chart

Dangers of Wind Chills

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