Hourly Weather Forecast - Sullivan, IN

12 AM
30°F
10%
10mph
NNE
Cloudy
Humidity
80%
Feels like
22°F
Dew Point
25°F
1 AM
29°F
30%
10mph
NNE
30 % Chance of Heavy Snow
Humidity
78%
Feels like
21°F
Dew Point
24°F
2 AM
29°F
30%
9mph
NNE
30 % Chance of Heavy Snow
Humidity
78%
Feels like
20°F
Dew Point
23°F
3 AM
28°F
30%
9mph
NNE
30 % Chance of Heavy Snow
Humidity
77%
Feels like
19°F
Dew Point
21°F
4 AM
27°F
30%
9mph
NNE
30 % Chance of Heavy Snow
Humidity
76%
Feels like
18°F
Dew Point
20°F
5 AM
26°F
0%
8mph
NNE
Partly Cloudy
Humidity
77%
Feels like
17°F
Dew Point
20°F
6 AM
25°F
0%
8mph
NNE
Mostly Clear
Humidity
78%
Feels like
16°F
Dew Point
19°F
7 AM
24°F
0%
7mph
NNE
Mostly Clear
Humidity
77%
Feels like
16°F
Dew Point
18°F
7:56 AM
8 AM
25°F
0%
7mph
NNE
Mostly Sunny
Humidity
75%
Feels like
17°F
Dew Point
18°F
9 AM
26°F
0%
7mph
NNE
Sunny
Humidity
73%
Feels like
18°F
Dew Point
18°F
10 AM
27°F
0%
6mph
NNE
Sunny
Humidity
72%
Feels like
20°F
Dew Point
19°F
11 AM
28°F
0%
5mph
NNE
Sunny
Humidity
69%
Feels like
22°F
Dew Point
19°F
12 PM
29°F
0%
5mph
NNE
Sunny
Humidity
65%
Feels like
24°F
Dew Point
19°F
1 PM
30°F
0%
4mph
NNE
Sunny
Humidity
63%
Feels like
26°F
Dew Point
19°F
2 PM
31°F
0%
3mph
NNE
Sunny
Humidity
60%
Feels like
31°F
Dew Point
19°F
3 PM
31°F
0%
2mph
NNW
Sunny
Humidity
60%
Feels like
31°F
Dew Point
19°F
4 PM
31°F
0%
3mph
NW
Sunny
Humidity
62%
Feels like
31°F
Dew Point
19°F
5 PM
29°F
0%
2mph
NW
Mostly Sunny
Humidity
68%
Feels like
29°F
Dew Point
20°F
5:26 PM
6 PM
27°F
0%
1mph
NNW
Mostly Clear
Humidity
74%
Feels like
27°F
Dew Point
20°F
7 PM
26°F
0%
1mph
NNW
Partly Cloudy
Humidity
78%
Feels like
26°F
Dew Point
20°F
8 PM
25°F
0%
0mph
SSE
Partly Cloudy
Humidity
82%
Feels like
25°F
Dew Point
20°F
9 PM
25°F
0%
2mph
SSE
Partly Cloudy
Humidity
82%
Feels like
25°F
Dew Point
20°F
10 PM
24°F
0%
3mph
SSE
Partly Cloudy
Humidity
83%
Feels like
24°F
Dew Point
20°F
11 PM
24°F
0%
4mph
S
Partly Cloudy
Humidity
85%
Feels like
19°F
Dew Point
20°F

Snowfall Forecast Through Tonight

Accumulating Snow To Impact Parts of Northern U.S.

A plowable snow will occur for parts of the Pacific Northwest and Midwest this weekend.

Sunday's Weather Outlook

Sunday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide