Hourly Weather Forecast - Grissom ARB, IN

12 AM
35°F
0%
4mph
N
Partly Cloudy
Humidity
84%
Feels like
32°F
Dew Point
31°F
1 AM
34°F
0%
4mph
N
Partly Cloudy
Humidity
84%
Feels like
31°F
Dew Point
30°F
2 AM
33°F
0%
4mph
NNE
Partly Cloudy
Humidity
85%
Feels like
30°F
Dew Point
29°F
3 AM
32°F
0%
4mph
NE
Mostly Cloudy
Humidity
85%
Feels like
28°F
Dew Point
28°F
4 AM
32°F
0%
4mph
ENE
Cloudy
Humidity
85%
Feels like
27°F
Dew Point
28°F
5 AM
31°F
0%
5mph
E
Cloudy
Humidity
85%
Feels like
27°F
Dew Point
28°F
6 AM
31°F
0%
6mph
E
Cloudy
Humidity
85%
Feels like
26°F
Dew Point
27°F
7 AM
31°F
0%
7mph
E
Mostly Cloudy
Humidity
85%
Feels like
25°F
Dew Point
28°F
8 AM
32°F
0%
8mph
ESE
Mostly Cloudy
Humidity
82%
Feels like
26°F
Dew Point
28°F
8:06 AM
9 AM
34°F
0%
9mph
ESE
Mostly Cloudy
Humidity
79%
Feels like
27°F
Dew Point
28°F
10 AM
36°F
10%
10mph
SE
Mostly Cloudy
Humidity
75%
Feels like
29°F
Dew Point
29°F
11 AM
39°F
10%
10mph
SE
Partly Cloudy
Humidity
72%
Feels like
32°F
Dew Point
30°F
12 PM
41°F
10%
11mph
SE
Mostly Cloudy
Humidity
68%
Feels like
35°F
Dew Point
32°F
1 PM
44°F
20%
11mph
SE
Mostly Cloudy
Humidity
67%
Feels like
38°F
Dew Point
33°F
2 PM
45°F
30%
11mph
SE
30% Chance Rain Showers
Humidity
67%
Feels like
40°F
Dew Point
35°F
3 PM
46°F
20%
11mph
SE
Mostly Cloudy
Humidity
68%
Feels like
40°F
Dew Point
36°F
4 PM
46°F
20%
11mph
SE
Mostly Cloudy
Humidity
71%
Feels like
41°F
Dew Point
37°F
5 PM
46°F
10%
12mph
SSE
Cloudy
Humidity
74%
Feels like
41°F
Dew Point
38°F
5:22 PM
6 PM
46°F
10%
12mph
SSE
Cloudy
Humidity
77%
Feels like
41°F
Dew Point
39°F
7 PM
46°F
20%
12mph
SSE
Cloudy
Humidity
81%
Feels like
41°F
Dew Point
41°F
8 PM
47°F
20%
11mph
SSE
Cloudy
Humidity
83%
Feels like
42°F
Dew Point
42°F
9 PM
48°F
30%
11mph
S
30% Chance of Light Rain
Humidity
86%
Feels like
43°F
Dew Point
44°F
10 PM
49°F
40%
10mph
S
40% Chance of Light Rain
Humidity
88%
Feels like
45°F
Dew Point
46°F
11 PM
50°F
50%
10mph
SSW
50% Chance of Light Rain
Humidity
90%
Feels like
50°F
Dew Point
47°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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