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
10:55 AM EDT MAR 9, 2026
Clear
57°F
Feels Like: 53°F
Dewpoint: 45°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: SW at 17 mph
Pressure: 29.86 inches
Last 72 hours

Local Area Snow Depth

Indiana Current Weather

Indiana MOS Forecast Weather


Regional Weather Maps

(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
THIS AFTERNOON
Sunny. Highs in the upper 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
TONIGHT
Mostly cloudy with a 20 percent chance of rain. Not as cool with lows in the upper 50s. Southwest winds around 15 mph with gusts up to 25 mph.
TUESDAY
Cloudy in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs in the mid 70s. Southwest winds 10 to 15 mph. Chance of rain 20 percent.
TUESDAY NIGHT
Showers. A chance of thunderstorms. Some thunderstorms may produce heavy rainfall after midnight. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
WEDNESDAY
A chance of thunderstorms in the morning. Showers. Some thunderstorms may produce heavy rainfall in the morning. Highs in the mid 60s. Temperature falling into the upper 40s in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.
WEDNESDAY NIGHT
Cloudy with rain showers likely in the evening, then partly cloudy with a slight chance of rain and snow showers after midnight. Little or no snow accumulation. Much cooler with lows in the upper 20s. Chance of precipitation 70 percent.
THURSDAY
Mostly sunny. Much cooler with highs in the mid 40s.
THURSDAY NIGHT
Mostly cloudy. A chance of rain and snow after midnight. Breezy with lows in the upper 30s. Chance of precipitation 40 percent.
FRIDAY
Mostly cloudy with a chance of rain and snow in the morning, then partly cloudy with a slight chance of rain in the afternoon. Breezy with highs in the lower 50s. Chance of precipitation 40 percent.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 30.
SATURDAY
Mostly cloudy with a 20 percent chance of snow. Highs in the upper 40s.
SATURDAY NIGHT
Cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the upper 30s. Chance of rain 40 percent.
SUNDAY
Cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the upper 50s. Chance of rain 70 percent.

  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 AM MST  3/ 9/2026
Monday
9 MAR 2026		 GRISSOM ARB, IN 46971 weather forecast Day 1, 12 hours 1 PM 66° 66° Clear 0%

 0% Thunder
( 0% severe)		 SSW   18 50% 47°
High 70° GRISSOM ARB, IN 46971 weather forecast Day 1, 15 hours 4 PM 69° 69° Clear SSW   17 53% 51°
Increasing Clouds



 GRISSOM ARB, IN 46971 weather forecast Day 1, 18 hours 7 PM 64° 63° Mostly Cloudy 14%
RAIN
<.01 in		 0% Thunder
( 4% severe)		 SSW   13 70% 54°
GRISSOM ARB, IN 46971 weather forecast Day 1, 21 hours 10 PM 63° 62° Mostly Cloudy SSW   13 81% 57°
Tuesday
10 MAR 2026		 GRISSOM ARB, IN 46971 weather forecast Day 2, 0 hours 1 AM 63° 62° Mostly Cloudy 8%

 0% Thunder
( 9% severe)		 SSW   13 87% 59°
Low 61° GRISSOM ARB, IN 46971 weather forecast Day 2, 3 hours 4 AM 63° 62° Mostly Cloudy SW   13 87% 59°
High 75° GRISSOM ARB, IN 46971 weather forecast Day 2, 6 hours 7 AM 63° 62° Mostly Cloudy 4%

 0% Thunder
( 4% severe)		 SW   12 90% 60°

Mostly Cloudy



 GRISSOM ARB, IN 46971 weather forecast Day 2, 9 hours 10 AM 66° 66° Mostly Cloudy SW   13 84% 61°
GRISSOM ARB, IN 46971 weather forecast Day 2, 12 hours 1 PM 71° 71° Mostly Cloudy 15%
RAIN
<.01 in		 0% Thunder
( 18% severe)		 SSW   15 71% 61°
GRISSOM ARB, IN 46971 weather forecast Day 2, 15 hours 4 PM 73° 73° Partly Cloudy SSW   15 66% 61°
GRISSOM ARB, IN 46971 weather forecast Day 2, 18 hours 7 PM 69° 69° Mostly Cloudy 68%
RAIN
***		 0% Thunder
( 35% severe)		 S   13 76% 61°
GRISSOM ARB, IN 46971 weather forecast Day 2, 21 hours 10 PM 68° 68° Mostly Cloudy SSW   15 81% 62°
Wednesday
11 MAR 2026		 GRISSOM ARB, IN 46971 weather forecast Day 3, 0 hours 1 AM 67° 67° Mostly Cloudy 94%
RAIN
***		 0% Thunder
( 43% severe)		 SSW   16 84% 62°
Low 57° GRISSOM ARB, IN 46971 weather forecast Day 3, 3 hours 4 AM 65° 65° Overcast SW   16 87% 61°
High 64° GRISSOM ARB, IN 46971 weather forecast Day 3, 6 hours 7 AM 63° 61° Mostly Cloudy 96%
RAIN
***		 0% Thunder
( 25% severe)		 SW   17 90% 60°

Mostly Cloudy

Rain


Breezy		 GRISSOM ARB, IN 46971 weather forecast Day 3, 9 hours 10 AM 62° 60° Mostly Cloudy SW   18 90% 59°
GRISSOM ARB, IN 46971 weather forecast Day 3, 15 hours 1 PM 57° 53° Mostly Cloudy 77%
RAIN
***		 0% Thunder
( 7% severe)		 W   20 86% 53°
GRISSOM ARB, IN 46971 weather forecast Day 3, 18 hours 4 PM 49° 42° Mostly Cloudy NW   20 77% 42°
GRISSOM ARB, IN 46971 weather forecast Day 3, 21 hours 7 PM 42° 33° Mostly Cloudy     NW   20 76% 35°

GRISSOM AFB, IN extended weather forecast
Thursday
12 MAR 2026		 Friday
13 MAR 2026		 Saturday
14 MAR 2026		 Sunday
15 MAR 2026		 Monday
16 MAR 2026
Low 30° Low 35° Low 34° Low 41° Low 26°
High 43° High 53° High 53° High 55° High 37°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
22% Rain/Snow		 Mostly Cloudy
23% Rain		 Mostly Cloudy
17% Rain		 Overcast
70% Rain		 Overcast
51% Rain/Snow
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