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
12:55 AM EDT JUL 12, 2025
Clear
77°F
Feels Like: 79°F
Dewpoint: 70°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: S at 7 mph
Pressure: 29.91 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 TONIGHT
Partly cloudy. Near steady temperature in the mid 70s. South winds 5 to 10 mph.
SATURDAY
Partly cloudy. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds 10 to 15 mph. Chance of rain 60 percent. Heat index values in the mid 90s.
SATURDAY NIGHT
Partly cloudy. Showers and thunderstorms likely, mainly in the evening. Humid with lows in the upper 60s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 60 percent.
SUNDAY
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 20 percent.
SUNDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.
MONDAY
Mostly sunny. Highs in the mid 80s.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.
TUESDAY
Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
TUESDAY NIGHT
Partly cloudy with a chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Lows around 70. Chance of rain 30 percent.
WEDNESDAY
Partly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 80s. Chance of rain 60 percent. Heat index values in the mid 90s in the afternoon.
WEDNESDAY NIGHT
Partly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows around 70. Chance of rain 60 percent.
THURSDAY
Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.
THURSDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 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  7/11/2025
Saturday
12 JUL 2025		 GRISSOM ARB, IN 46971 weather forecast Day 1, 0 hours 2 AM 77° 79° Partly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 9% severe)		 S   8 76% 69°
Low 75° GRISSOM ARB, IN 46971 weather forecast Day 1, 3 hours 5 AM 76° 77° Partly Cloudy SSW   9 82% 70°
High 88° GRISSOM ARB, IN 46971 weather forecast Day 1, 6 hours 8 AM 77° 78° Partly Cloudy 30%
RAIN
<.01 in		 0% Thunder
( 28% severe)		 SSW   10 85% 72°

Partly Cloudy

Rain Likely

 GRISSOM ARB, IN 46971 weather forecast Day 1, 9 hours 11 AM 83° 89° Partly Cloudy SW   13 72% 73°
GRISSOM ARB, IN 46971 weather forecast Day 1, 12 hours 2 PM 86° 93° Partly Cloudy 72%
RAIN
***		 0% Thunder
( 63% severe)		 SW   15 65% 73°
GRISSOM ARB, IN 46971 weather forecast Day 1, 15 hours 5 PM 82° 87° Mostly Cloudy SW   14 74% 73°
GRISSOM ARB, IN 46971 weather forecast Day 1, 18 hours 8 PM 79° 82° Mostly Cloudy 19%
RAIN
.01–.1 in		 0% Thunder
( 29% severe)		 WSW   10 79% 72°
GRISSOM ARB, IN 46971 weather forecast Day 1, 21 hours 11 PM 75° 75° Partly Cloudy WSW   7 87% 71°
Sunday
13 JUL 2025		 GRISSOM ARB, IN 46971 weather forecast Day 2, 0 hours 2 AM 73° 73° Partly Cloudy 7%

 0% Thunder
( 6% severe)		 W   6 90% 70°
Low 69° GRISSOM ARB, IN 46971 weather forecast Day 2, 3 hours 5 AM 70° 70° Partly Cloudy W   6 97% 69°
High 84° GRISSOM ARB, IN 46971 weather forecast Day 2, 6 hours 8 AM 71° 71° Partly Cloudy 7%

 0% Thunder
( 4% severe)		 NW   5 93% 69°

Partly Cloudy



 GRISSOM ARB, IN 46971 weather forecast Day 2, 9 hours 11 AM 78° 80° Partly Cloudy WNW   6 69% 67°
GRISSOM ARB, IN 46971 weather forecast Day 2, 12 hours 2 PM 82° 84° Partly Cloudy 9%

 0% Thunder
( 5% severe)		 W   8 56% 65°
GRISSOM ARB, IN 46971 weather forecast Day 2, 15 hours 5 PM 82° 84° Partly Cloudy W   8 55% 64°
GRISSOM ARB, IN 46971 weather forecast Day 2, 18 hours 8 PM 79° 81° Partly Cloudy 4%

 0% Thunder
( 5% severe)		 W   6 60% 64°
GRISSOM ARB, IN 46971 weather forecast Day 2, 21 hours 11 PM 71° 71° Partly Cloudy WNW   2 76% 63°

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 70° Low 65° Low 66° Low 70° Low 67°
High 85° High 88° High 90° High 87° 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
59% Rain		 Partly Cloudy
18% Rain		 Partly Cloudy
35% Rain		 Overcast
66% Rain		 Overcast
56% Rain
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