Hourly Weather Forecast - Grissom ARB, IN

3 PM
42°F
0%
15mph
SW
Mostly Cloudy
Humidity
57%
Feels like
35°F
Dew Point
28°F
4 PM
41°F
0%
13mph
WSW
Mostly Cloudy
Humidity
60%
Feels like
34°F
Dew Point
29°F
5 PM
40°F
0%
12mph
WSW
Mostly Cloudy
Humidity
64%
Feels like
33°F
Dew Point
29°F
5:20 PM
6 PM
39°F
0%
11mph
W
Mostly Cloudy
Humidity
67%
Feels like
32°F
Dew Point
29°F
7 PM
37°F
0%
10mph
W
Cloudy
Humidity
69%
Feels like
30°F
Dew Point
28°F
8 PM
36°F
0%
10mph
WNW
Mostly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
27°F
9 PM
35°F
0%
11mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
27°F
Dew Point
26°F
10 PM
34°F
0%
11mph
WNW
Partly Cloudy
Humidity
67%
Feels like
25°F
Dew Point
24°F
11 PM
33°F
0%
12mph
WNW
Mostly Clear
Humidity
65%
Feels like
23°F
Dew Point
22°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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