GRISSOM ARB, IN 46971 Weather Forecast & Current Conditions
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  46971 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

GRISSOM AFB, IN
Current Weather
3:55 AM EST DEC 6, 2025
Scattered Clouds
28°F
Feels Like: 16°F
Dewpoint: 21°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SW at 15 mph
Pressure: 29.80 inches
Last 72 hours

Local Area Snow Depth

Indiana Current Weather

Indiana MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  46971 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

GRISSOM ARB, IN 46971
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy. A slight chance of freezing drizzle this morning. Highs around 30. West winds 5 to 10 mph. Gusts up to 20 mph early.
TONIGHT
Cloudy. A chance of snow after midnight. Little or no snow accumulation. Near steady temperature in the mid 20s. South winds around 5 mph. Chance of snow 50 percent.
SUNDAY
Snow likely. A slight chance of freezing rain in the morning, then a slight chance of rain in the afternoon. Snow accumulation around an inch possible. Highs in the lower 30s. Southeast winds around 5 mph, becoming north in the afternoon. Chance of precipitation 70 percent.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Colder with lows around 6 above. North winds 5 to 10 mph.
MONDAY
Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 20s. East winds around 5 mph.
MONDAY NIGHT
Partly cloudy. Cold with lows around 10 above. Temperature rising to around 15 after midnight. Wind chill values as low as 5 below.
TUESDAY
Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 30s.
TUESDAY NIGHT
Cloudy. A slight chance of rain and snow in the evening, then rain likely after midnight. Not as cool with lows around 30. Chance of precipitation 60 percent.
WEDNESDAY
Rain likely in the morning, then a chance of rain and snow in the afternoon. Near steady temperature in the mid 30s. Chance of precipitation 60 percent.
WEDNESDAY NIGHT
Mostly cloudy. A slight chance of snow in the evening, then a chance of snow after midnight. Cold with lows around 20. Chance of snow 40 percent.
THURSDAY
Mostly cloudy with a 30 percent chance of snow. Highs in the upper 20s.
THURSDAY NIGHT
Mostly cloudy. A chance of snow, mainly in the evening. Cold with lows 10 to 15. Chance of snow 30 percent.
FRIDAY
Mostly cloudy in the morning, then becoming partly cloudy. A 20 percent chance of snow. Cold with highs around 20. Wind chill values as low as zero.

  46971 WEATHER SATELLITE LOOPS
Visible Weather Satellite
GRISSOM ARB, IN 46971
Infrared Weather Satellite
GRISSOM ARB, IN 46971
  46971 WEATHER RADAR LOOP
NEXRAD Weather Radar
GRISSOM ARB, IN 46971
 MOS COMPUTER WEATHER FORECAST

GRISSOM AFB, IN 3 hourly weather forecast
weather forecast created  5:00 PM MST 12/ 5/2025
Saturday
6 DEC 2025		 GRISSOM ARB, IN 46971 weather forecast Day 1, 0 hours 1 AM 26° 15° Mostly Cloudy 0%

 0% Thunder
( 0% severe)		 SSW   12 80% 21°
Low 25° GRISSOM ARB, IN 46971 weather forecast Day 1, 3 hours 4 AM 26° 16° Mostly Cloudy SW   10 83% 22°
High 32° GRISSOM ARB, IN 46971 weather forecast Day 1, 6 hours 7 AM 27° 18° Mostly Cloudy 0%

 0% Thunder
( 0% severe)		 WSW   9 87% 24°

Mostly Cloudy



 GRISSOM ARB, IN 46971 weather forecast Day 1, 9 hours 10 AM 29° 20° Mostly Cloudy W   9 92% 27°
GRISSOM ARB, IN 46971 weather forecast Day 1, 12 hours 1 PM 30° 22° Mostly Cloudy 0%

 0% Thunder
( 0% severe)		 W   8 92% 28°
GRISSOM ARB, IN 46971 weather forecast Day 1, 15 hours 4 PM 31° 25° Mostly Cloudy W   6 84% 27°
GRISSOM ARB, IN 46971 weather forecast Day 1, 18 hours 7 PM 28° 25° Mostly Cloudy 1%

 0% Thunder
( 0% severe)		 SW   1 88% 25°
GRISSOM ARB, IN 46971 weather forecast Day 1, 21 hours 10 PM 26° 23° Mostly Cloudy SSE   1 96% 25°
Sunday
7 DEC 2025		 GRISSOM ARB, IN 46971 weather forecast Day 2, 0 hours 1 AM 27° 24° Mostly Cloudy 36%
SNOW
<.1 in		 0% Thunder
( 1% severe)		 SSE   1 92% 25°
Low 24° GRISSOM ARB, IN 46971 weather forecast Day 2, 3 hours 4 AM 28° 25° Mostly Cloudy SSE   2 88% 25°
High 33° GRISSOM ARB, IN 46971 weather forecast Day 2, 6 hours 7 AM 28° 23° Mostly Cloudy 60%
SNOW
***		 0% Thunder
( 1% severe)		 SE   5 96% 27°

Mostly Cloudy

Snow Likely

 GRISSOM ARB, IN 46971 weather forecast Day 2, 9 hours 10 AM 31° 25° Mostly Cloudy SSE   6 92% 29°
GRISSOM ARB, IN 46971 weather forecast Day 2, 12 hours 1 PM 32° 25° Mostly Cloudy 14%
SNOW
.1–1 in		 0% Thunder
( 1% severe)		 NNW   8 88% 29°
GRISSOM ARB, IN 46971 weather forecast Day 2, 15 hours 4 PM 31° 22° Mostly Cloudy NNW   10 84% 27°
GRISSOM ARB, IN 46971 weather forecast Day 2, 18 hours 7 PM 27° 18° Mostly Cloudy 5%

 0% Thunder
( 0% severe)		 N   9 84% 23°
GRISSOM ARB, IN 46971 weather forecast Day 2, 21 hours 10 PM 22° 13° Partly Cloudy NNE   8 83% 18°

GRISSOM AFB, IN extended weather forecast
Monday
8 DEC 2025		 Tuesday
9 DEC 2025		 Wednesday
10 DEC 2025		 Thursday
11 DEC 2025		 Friday
12 DEC 2025
Low 7° Low 20° Low 34° Low 26° Low 20°
High 24° High 40° High 42° High 36° High 23°
GRISSOM ARB, IN 46971 weather forecast Day 3 GRISSOM ARB, IN 46971 weather forecast Day 4 GRISSOM ARB, IN 46971 weather forecast Day 5 GRISSOM ARB, IN 46971 weather forecast Day 6 GRISSOM ARB, IN 46971 weather forecast Day 7
Partly Cloudy
3% Snow		 Overcast
14% Rain/Snow		 Overcast
76% Rain		 Overcast
67% Snow		 Overcast
48% Snow
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