Hourly Weather Forecast - Sullivan, IN

12 AM
29°F
0%
6mph
SSW
Mostly Cloudy
Humidity
79%
Feels like
23°F
Dew Point
24°F
1 AM
30°F
0%
7mph
SSW
Mostly Cloudy
Humidity
79%
Feels like
23°F
Dew Point
24°F
2 AM
30°F
0%
7mph
SSW
Mostly Cloudy
Humidity
79%
Feels like
23°F
Dew Point
24°F
3 AM
30°F
0%
7mph
SW
Mostly Cloudy
Humidity
80%
Feels like
23°F
Dew Point
25°F
4 AM
30°F
0%
6mph
SW
Mostly Cloudy
Humidity
82%
Feels like
23°F
Dew Point
25°F
5 AM
30°F
0%
6mph
SW
Mostly Cloudy
Humidity
82%
Feels like
24°F
Dew Point
26°F
6 AM
31°F
0%
6mph
SW
Mostly Cloudy
Humidity
83%
Feels like
25°F
Dew Point
26°F
7 AM
31°F
0%
5mph
WSW
Mostly Cloudy
Humidity
84%
Feels like
26°F
Dew Point
27°F
7:54 AM
8 AM
32°F
0%
5mph
WSW
Mostly Cloudy
Humidity
85%
Feels like
27°F
Dew Point
28°F
9 AM
32°F
0%
5mph
WSW
Partly Cloudy
Humidity
85%
Feels like
28°F
Dew Point
28°F
10 AM
33°F
0%
5mph
W
Mostly Cloudy
Humidity
84%
Feels like
29°F
Dew Point
29°F
11 AM
34°F
0%
5mph
W
Mostly Cloudy
Humidity
82%
Feels like
30°F
Dew Point
29°F
12 PM
35°F
0%
5mph
W
Mostly Cloudy
Humidity
79%
Feels like
31°F
Dew Point
29°F
1 PM
36°F
0%
5mph
W
Mostly Cloudy
Humidity
77%
Feels like
32°F
Dew Point
29°F
2 PM
36°F
0%
5mph
W
Mostly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
29°F
3 PM
36°F
0%
4mph
W
Mostly Cloudy
Humidity
76%
Feels like
33°F
Dew Point
29°F
4 PM
35°F
0%
3mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
35°F
Dew Point
29°F
5 PM
34°F
0%
2mph
SW
Mostly Cloudy
Humidity
83%
Feels like
34°F
Dew Point
29°F
5:26 PM
6 PM
33°F
0%
1mph
S
Mostly Cloudy
Humidity
88%
Feels like
33°F
Dew Point
29°F
7 PM
32°F
0%
2mph
SE
Mostly Cloudy
Humidity
91%
Feels like
32°F
Dew Point
29°F
8 PM
31°F
0%
2mph
SE
Mostly Cloudy
Humidity
93%
Feels like
31°F
Dew Point
29°F
9 PM
31°F
0%
2mph
SE
Partly Cloudy
Humidity
95%
Feels like
31°F
Dew Point
29°F
10 PM
31°F
0%
2mph
SE
Partly Cloudy
Humidity
94%
Feels like
31°F
Dew Point
29°F
11 PM
31°F
0%
2mph
SE
Partly Cloudy
Humidity
94%
Feels like
31°F
Dew Point
29°F

Snowfall Forecast Through Saturday

Snowfall to Pack Slopes in the Rockies

Hefty snowpack additions are expected into the weekend for the Cascades and northern Rockies.

Weekend Weather Outlook

Weekend 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

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Outdoor Sports Guide