Hourly Weather Forecast - Grissom ARB, IN

12 AM
20°F
0%
10mph
S
Mostly Cloudy
Humidity
85%
Feels like
9°F
Dew Point
16°F
1 AM
21°F
0%
11mph
S
Cloudy
Humidity
85%
Feels like
9°F
Dew Point
17°F
2 AM
22°F
0%
12mph
SSW
Cloudy
Humidity
84%
Feels like
10°F
Dew Point
17°F
3 AM
22°F
0%
13mph
SSW
Mostly Cloudy
Humidity
83%
Feels like
10°F
Dew Point
18°F
4 AM
23°F
0%
14mph
SSW
Mostly Cloudy
Humidity
83%
Feels like
11°F
Dew Point
19°F
5 AM
24°F
0%
15mph
SSW
Mostly Cloudy
Humidity
82%
Feels like
11°F
Dew Point
19°F
6 AM
25°F
0%
17mph
SSW
Mostly Cloudy
Humidity
83%
Feels like
12°F
Dew Point
20°F
7 AM
26°F
0%
17mph
SSW
Partly Cloudy
Humidity
83%
Feels like
13°F
Dew Point
21°F
7:56 AM
8 AM
27°F
0%
18mph
SSW
Mostly Cloudy
Humidity
83%
Feels like
14°F
Dew Point
23°F
9 AM
29°F
0%
19mph
SW
Mostly Cloudy
Humidity
86%
Feels like
16°F
Dew Point
25°F
10 AM
30°F
0%
19mph
SW
Mostly Cloudy
Humidity
87%
Feels like
18°F
Dew Point
26°F
11 AM
31°F
0%
19mph
SW
Mostly Cloudy
Humidity
86%
Feels like
19°F
Dew Point
28°F
12 PM
32°F
0%
18mph
SW
Cloudy
Humidity
87%
Feels like
20°F
Dew Point
29°F
1 PM
33°F
0%
18mph
SW
Cloudy
Humidity
87%
Feels like
22°F
Dew Point
29°F
2 PM
33°F
0%
17mph
SW
Cloudy
Humidity
88%
Feels like
22°F
Dew Point
30°F
3 PM
33°F
0%
15mph
SW
Mostly Cloudy
Humidity
88%
Feels like
23°F
Dew Point
30°F
4 PM
34°F
10%
14mph
SW
Mostly Cloudy
Humidity
89%
Feels like
24°F
Dew Point
31°F
5 PM
34°F
10%
13mph
SW
Mostly Cloudy
Humidity
91%
Feels like
24°F
Dew Point
31°F
5:17 PM
6 PM
34°F
10%
13mph
SSW
Cloudy
Humidity
91%
Feels like
25°F
Dew Point
32°F
7 PM
34°F
10%
13mph
SSW
Cloudy
Humidity
91%
Feels like
25°F
Dew Point
32°F
8 PM
35°F
20%
13mph
SSW
Cloudy
Humidity
90%
Feels like
26°F
Dew Point
32°F
9 PM
35°F
20%
15mph
SSW
Cloudy
Humidity
90%
Feels like
26°F
Dew Point
33°F
10 PM
36°F
30%
15mph
SSW
30% Chance of Light Rain
Humidity
88%
Feels like
27°F
Dew Point
33°F
11 PM
37°F
30%
16mph
SSW
30% Chance of Rain
Humidity
87%
Feels like
27°F
Dew Point
33°F

Snowfall Forecast Through Tonight

Two Winter Storms Deliver Accumulating Northern U.S. Snow

A plowable snow will occur from parts of the Pacific Northwest to the Upper Midwest for the start of the 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

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide