Hourly Weather Forecast - Sullivan, IL

12 AM
44°F
50%
5mph
WSW
50% Chance Rain Showers
Humidity
94%
Feels like
41°F
Dew Point
42°F
1 AM
43°F
60%
5mph
WSW
60% Chance Rain Showers
Humidity
95%
Feels like
40°F
Dew Point
42°F
2 AM
43°F
60%
6mph
WSW
60% Chance Rain Showers
Humidity
94%
Feels like
40°F
Dew Point
42°F
3 AM
43°F
50%
6mph
W
50% Chance Rain Showers
Humidity
94%
Feels like
39°F
Dew Point
41°F
4 AM
42°F
40%
6mph
W
40% Chance Rain Showers
Humidity
94%
Feels like
39°F
Dew Point
41°F
5 AM
42°F
30%
7mph
WNW
30% Chance Rain Showers
Humidity
94%
Feels like
38°F
Dew Point
40°F
6 AM
42°F
30%
7mph
WNW
30% Chance Rain Showers
Humidity
92%
Feels like
37°F
Dew Point
40°F
6:51 AM
7 AM
43°F
30%
7mph
WNW
30% Chance Rain Showers
Humidity
88%
Feels like
39°F
Dew Point
40°F
8 AM
45°F
30%
8mph
NW
30% Chance Rain Showers
Humidity
82%
Feels like
41°F
Dew Point
40°F
9 AM
47°F
30%
8mph
NW
30% Chance Rain Showers
Humidity
78%
Feels like
43°F
Dew Point
40°F
10 AM
49°F
30%
8mph
NW
30% Chance Rain Showers
Humidity
75%
Feels like
45°F
Dew Point
41°F
11 AM
50°F
30%
8mph
NW
30% Chance Rain Showers
Humidity
73%
Feels like
47°F
Dew Point
42°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.

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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