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
7:55 PM EDT MAR 10, 2026
Broken Clouds
70°F
Feels Like: 70°F
Dewpoint: 63°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: S at 13 mph
Pressure: 29.78 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
TONIGHT
A chance of thunderstorms and rain this evening, then rain with thunderstorms likely after midnight. Lows in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 80 percent.
WEDNESDAY
Rain with a chance of thunderstorms in the morning, then rain in the afternoon. Breezy with highs in the mid 60s. Temperature falling into the mid 40s in the afternoon. Southwest winds 15 to 20 mph, becoming west 15 to 25 mph in the afternoon. Chance of rain 90 percent.
WEDNESDAY NIGHT
Cloudy with a slight chance of rain in the evening, then partly cloudy after midnight. Much cooler with lows in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
THURSDAY
Sunny. Much cooler with highs in the mid 40s. West winds 5 to 10 mph. Gusts up to 20 mph in the morning.
THURSDAY NIGHT
Partly cloudy in the evening, then cloudy with a slight chance of showers after midnight. Breezy with lows in the upper 30s. Southwest winds 10 to 15 mph, becoming south 15 to 25 mph with gusts up to 35 mph after midnight. Chance of rain 20 percent.
FRIDAY
Partly cloudy in the morning, then becoming mostly sunny. A 20 percent chance of showers. Windy with highs in the lower 50s.
FRIDAY NIGHT
Partly cloudy. Lows around 30.
SATURDAY
Mostly cloudy. A slight chance of rain and snow in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent.
SATURDAY NIGHT
Cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Near steady temperature in the mid 40s. Chance of rain 50 percent.
SUNDAY
Mostly cloudy. A chance of rain in the morning, then rain in the afternoon. Breezy with highs in the upper 50s. Chance of rain 80 percent.
SUNDAY NIGHT
Snow likely. Rain, breezy and much cooler with lows around 20. Chance of precipitation 80 percent.
MONDAY
Mostly cloudy. A chance of snow, mainly in the morning. Much cooler with highs in the upper 20s. Chance of snow 40 percent.
MONDAY NIGHT
Partly cloudy in the evening, then clearing. Cold with lows 10 to 15.

  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  3/10/2026
Tuesday
10 MAR 2026		 GRISSOM ARB, IN 46971 weather forecast Day 1, 12 hours 1 PM 70° 70° Mostly Cloudy 25%
RAIN
<.01 in		 0% Thunder
( 7% severe)		 SSW   14 76% 62°
High 74° GRISSOM ARB, IN 46971 weather forecast Day 1, 15 hours 4 PM 73° 73° Partly Cloudy SSW   14 66% 61°
Mostly Cloudy

Rain Likely

 GRISSOM ARB, IN 46971 weather forecast Day 1, 18 hours 7 PM 69° 69° Partly Cloudy 73%
RAIN
.1–.25 in		 0% Thunder
( 26% severe)		 S   13 78% 62°
GRISSOM ARB, IN 46971 weather forecast Day 1, 21 hours 10 PM 68° 68° Mostly Cloudy S   15 81% 62°
Wednesday
11 MAR 2026		 GRISSOM ARB, IN 46971 weather forecast Day 2, 0 hours 1 AM 68° 68° Mostly Cloudy 87%
RAIN
***		 0% Thunder
( 49% severe)		 SSW   17 84% 63°
Low 57° GRISSOM ARB, IN 46971 weather forecast Day 2, 3 hours 4 AM 67° 67° Mostly Cloudy SW   16 84% 62°
High 67° GRISSOM ARB, IN 46971 weather forecast Day 2, 6 hours 7 AM 65° 65° Mostly Cloudy 98%
RAIN
***		 0% Thunder
( 31% severe)		 SSW   17 87% 61°

Mostly Cloudy

Rain


Breezy		 GRISSOM ARB, IN 46971 weather forecast Day 2, 9 hours 10 AM 64° 62° Mostly Cloudy W   20 87% 60°
GRISSOM ARB, IN 46971 weather forecast Day 2, 12 hours 1 PM 59° 55° Mostly Cloudy 83%
RAIN
>2 in		 0% Thunder
( 5% severe)		 W   21 80% 53°
GRISSOM ARB, IN 46971 weather forecast Day 2, 15 hours 4 PM 49° 42° Mostly Cloudy NW   22 77% 42°
GRISSOM ARB, IN 46971 weather forecast Day 2, 18 hours 7 PM 41° 32° Mostly Cloudy 10%
RAIN/SNOW
.05–.5 in		 0% Thunder
( 3% severe)		 NW   20 76% 34°
GRISSOM ARB, IN 46971 weather forecast Day 2, 21 hours 10 PM 37° 27° Mostly Cloudy NW   17 72% 29°
Thursday
12 MAR 2026		 GRISSOM ARB, IN 46971 weather forecast Day 3, 0 hours 1 AM 35° 25° Mostly Cloudy 1%

 0% Thunder
( 0% severe)		 NW   15 72% 27°
Low 29° GRISSOM ARB, IN 46971 weather forecast Day 3, 3 hours 4 AM 32° 22° Partly Cloudy NW   13 74% 25°
High 48° GRISSOM ARB, IN 46971 weather forecast Day 3, 6 hours 7 AM 30° 22° Clear 0%

 0% Thunder
( 0% severe)		 WNW   8 77% 24°

Clear



 GRISSOM ARB, IN 46971 weather forecast Day 3, 9 hours 10 AM 36° 29° Clear W   9 60% 24°
GRISSOM ARB, IN 46971 weather forecast Day 3, 15 hours 1 PM 44° 38° Clear 0%

 0% Thunder
( 0% severe)		 W   12 46% 25°
GRISSOM ARB, IN 46971 weather forecast Day 3, 18 hours 4 PM 47° 42° Partly Cloudy W   12 39% 24°
GRISSOM ARB, IN 46971 weather forecast Day 3, 21 hours 7 PM 42° 37° Mostly Cloudy     SSW   8 52% 26°

GRISSOM AFB, IN extended weather forecast
Friday
13 MAR 2026		 Saturday
14 MAR 2026		 Sunday
15 MAR 2026		 Monday
16 MAR 2026		 Tuesday
17 MAR 2026
Low 39° Low 29° Low 43° Low 23° Low 13°
High 54° High 52° High 59° High 25° High 34°
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
Mostly Cloudy
27% Rain/Snow		 Partly Cloudy
7% Rain/Snow		 Overcast
74% Rain		 Overcast
61% Rain/Snow		 Partly Cloudy
30% Snow
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