Hourly Weather Forecast - Sullivan, IL

12 AM
22°F
0%
6mph
SE
Cloudy
Humidity
72%
Feels like
14°F
Dew Point
14°F
1 AM
22°F
0%
7mph
SE
Cloudy
Humidity
73%
Feels like
13°F
Dew Point
14°F
2 AM
21°F
0%
7mph
SSE
Cloudy
Humidity
76%
Feels like
12°F
Dew Point
15°F
3 AM
20°F
0%
8mph
SSE
Cloudy
Humidity
78%
Feels like
11°F
Dew Point
15°F
4 AM
20°F
0%
9mph
SSE
Cloudy
Humidity
79%
Feels like
10°F
Dew Point
15°F
5 AM
20°F
0%
9mph
SSE
Cloudy
Humidity
82%
Feels like
9°F
Dew Point
15°F
6 AM
21°F
0%
10mph
SSE
Cloudy
Humidity
82%
Feels like
10°F
Dew Point
16°F
6:55 AM
7 AM
22°F
0%
10mph
SSE
Cloudy
Humidity
78%
Feels like
12°F
Dew Point
17°F
8 AM
26°F
0%
10mph
SSE
Cloudy
Humidity
71%
Feels like
16°F
Dew Point
18°F
9 AM
29°F
0%
10mph
SSE
Cloudy
Humidity
66%
Feels like
19°F
Dew Point
19°F
10 AM
31°F
0%
10mph
SSE
Mostly Cloudy
Humidity
61%
Feels like
23°F
Dew Point
20°F
11 AM
34°F
0%
10mph
SSE
Mostly Cloudy
Humidity
58%
Feels like
26°F
Dew Point
21°F
12 PM
36°F
0%
9mph
SSE
Mostly Cloudy
Humidity
55%
Feels like
29°F
Dew Point
22°F
1 PM
37°F
0%
9mph
SSE
Mostly Cloudy
Humidity
54%
Feels like
31°F
Dew Point
22°F
2 PM
37°F
0%
8mph
SSE
Mostly Cloudy
Humidity
55%
Feels like
31°F
Dew Point
23°F
3 PM
37°F
0%
7mph
SSE
Mostly Cloudy
Humidity
58%
Feels like
31°F
Dew Point
24°F
4 PM
35°F
0%
7mph
SE
Mostly Cloudy
Humidity
63%
Feels like
29°F
Dew Point
24°F
5 PM
33°F
0%
6mph
SE
Mostly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
24°F
5:22 PM
6 PM
30°F
0%
6mph
ESE
Mostly Cloudy
Humidity
76%
Feels like
24°F
Dew Point
23°F
7 PM
28°F
0%
6mph
ESE
Mostly Cloudy
Humidity
81%
Feels like
22°F
Dew Point
23°F
8 PM
27°F
0%
6mph
SE
Mostly Cloudy
Humidity
83%
Feels like
21°F
Dew Point
23°F
9 PM
27°F
0%
6mph
SE
Mostly Cloudy
Humidity
85%
Feels like
20°F
Dew Point
23°F
10 PM
26°F
0%
5mph
SE
Partly Cloudy
Humidity
86%
Feels like
20°F
Dew Point
22°F
11 PM
26°F
0%
5mph
SE
Partly Cloudy
Humidity
86%
Feels like
20°F
Dew Point
22°F

Friday's Weather Outlook

Friday's Weather Outlook

A snow-filled clipper system is set to sweep through the Great Lakes, Ohio Valley, and Mid-Atlantic.

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image courtesy of Pixabay.com

All About Snow Squalls

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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