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
8:55 AM EDT JUN 7, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 70°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: ENE at 9 mph
Pressure: 29.96 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
REST OF TODAY
Mostly cloudy. A slight chance of showers and thunderstorms late this morning, then a chance of showers and thunderstorms this afternoon. Highs in the mid 80s. East winds around 5 mph. Chance of rain 40 percent.
TONIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 20 percent.
MONDAY
Cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 10 to 15 mph. Chance of rain 50 percent.
MONDAY NIGHT
Showers and thunderstorms likely. Lows in the upper 60s. South winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 70 percent.
TUESDAY
Showers and thunderstorms likely. Humid with highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 70 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows around 70. Chance of rain 70 percent.
WEDNESDAY
Partly cloudy with a chance of showers and thunderstorms. Hot with highs around 90. Chance of rain 50 percent. Heat index values in the upper 90s in the afternoon.
WEDNESDAY NIGHT
Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
THURSDAY
Mostly sunny in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. Heat index values in the upper 90s.
THURSDAY NIGHT
Showers likely with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 60 percent.
FRIDAY
Partly cloudy in the morning, then becoming mostly sunny. A chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.
FRIDAY NIGHT
A slight chance of thunderstorms in the evening. Mostly clear with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent.
SATURDAY
Mostly sunny. A chance of showers, mainly in the morning. Highs in the lower 80s. Chance of rain 30 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  6:00 PM MDT  6/ 6/2026
Sunday
7 JUN 2026		 GRISSOM ARB, IN 46971 weather forecast Day 1, 0 hours 2 AM 68° 68° Mostly Cloudy 40%
RAIN
.1–.25 in		 0% Thunder
( 23% severe)		   CALM 90% 65°
Low 66° GRISSOM ARB, IN 46971 weather forecast Day 1, 3 hours 5 AM 67° 67° Mostly Cloudy   CALM 93% 65°
High 84° GRISSOM ARB, IN 46971 weather forecast Day 1, 6 hours 8 AM 69° 69° Mostly Cloudy 21%
RAIN
<.01 in		 0% Thunder
( 19% severe)		 ENE   1 93% 67°

Mostly Cloudy

Chance of Rain

 GRISSOM ARB, IN 46971 weather forecast Day 1, 9 hours 11 AM 76° 77° Mostly Cloudy E   6 79% 69°
GRISSOM ARB, IN 46971 weather forecast Day 1, 12 hours 2 PM 81° 84° Mostly Cloudy 26%
RAIN
.1–.25 in		 0% Thunder
( 49% severe)		 E   6 67% 69°
GRISSOM ARB, IN 46971 weather forecast Day 1, 15 hours 5 PM 82° 85° Mostly Cloudy ESE   6 61% 67°
GRISSOM ARB, IN 46971 weather forecast Day 1, 18 hours 8 PM 80° 82° Mostly Cloudy 20%
RAIN
<.01 in		 0% Thunder
( 20% severe)		 SE   5 65% 67°
GRISSOM ARB, IN 46971 weather forecast Day 1, 21 hours 11 PM 73° 73° Mostly Cloudy ESE   6 79% 66°
Monday
8 JUN 2026		 GRISSOM ARB, IN 46971 weather forecast Day 2, 0 hours 2 AM 70° 70° Partly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 15% severe)		 ESE   8 81% 64°
Low 68° GRISSOM ARB, IN 46971 weather forecast Day 2, 3 hours 5 AM 68° 68° Mostly Cloudy ESE   9 84% 63°
High 86° GRISSOM ARB, IN 46971 weather forecast Day 2, 6 hours 8 AM 71° 71° Mostly Cloudy 16%
RAIN
<.01 in		 0% Thunder
( 18% severe)		 SE   9 81% 65°

Mostly Cloudy

Chance of Rain

 GRISSOM ARB, IN 46971 weather forecast Day 2, 9 hours 11 AM 79° 82° Partly Cloudy SSE   10 72% 69°
GRISSOM ARB, IN 46971 weather forecast Day 2, 12 hours 2 PM 83° 88° Mostly Cloudy 50%
RAIN
***		 0% Thunder
( 53% severe)		 SSE   13 67% 71°
GRISSOM ARB, IN 46971 weather forecast Day 2, 15 hours 5 PM 83° 86° Mostly Cloudy S   13 61% 68°
GRISSOM ARB, IN 46971 weather forecast Day 2, 18 hours 8 PM 80° 83° Mostly Cloudy 46%
RAIN
***		 0% Thunder
( 25% severe)		 S   10 67% 68°
GRISSOM ARB, IN 46971 weather forecast Day 2, 21 hours 11 PM 74° 74° Mostly Cloudy S   8 79% 67°

GRISSOM AFB, IN extended weather forecast
BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE
Low 66° Low 66° Low 69° Low 72° Low 70°
High 80° High 83° High 89° High 89° High 86°
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
Overcast
83% Rain		 Overcast
56% Rain		 Mostly Cloudy
48% Rain		 Partly Cloudy
40% Rain		 Overcast
51% Rain
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