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
9:55 AM EDT SEP 10, 2026
Broken Clouds 72°F
Feels Like:	72°F
Dewpoint:	68°F
Rel. Hum.:	87%
Visibility:	10 miles
Wind:	Calm
Pressure:	30.01 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 2026 Hurricanes	GRISSOM ARB, IN 46971 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TODAY
Cloudy. A slight chance of showers this afternoon. Highs in the upper 70s. Light and variable winds, becoming northwest around 5 mph this afternoon. Chance of rain 20 percent.

TONIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 50s. North winds around 5 mph.

FRIDAY
Mostly sunny. Highs around 80. East winds around 5 mph.

FRIDAY NIGHT
Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 20 percent.

SATURDAY
Partly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.

SATURDAY NIGHT
Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the mid 60s. Chance of rain 20 percent.

SUNDAY
Mostly sunny. Highs in the mid 80s.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.

MONDAY
Partly cloudy in the morning, then becoming mostly sunny. Highs in the upper 80s.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent.

TUESDAY
Partly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.

TUESDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.

WEDNESDAY
Partly cloudy with a 40 percent chance of showers. Highs in the upper 70s.

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 9/ 9/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
10 SEP 2026

2 AM

70°

70°

Partly Cloudy

14%
RAIN
.1–.25 in

0% Thunder
( 1% severe)

W 5

97%

69°

Low 68°

5 AM

70°

70°

Mostly Cloudy

W 3

97%

69°

High 79°

8 AM

69°

69°

Mostly Cloudy

18%
RAIN
.25–.5 in

0% Thunder
( 2% severe)

WSW 1

97%

68°

Mostly Cloudy

11 AM

73°

73°

Mostly Cloudy

W 3

84%

68°

2 PM

75°

75°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 8% severe)

WNW 3

71%

65°

5 PM

76°

78°

Mostly Cloudy

NNW 7

62%

62°

8 PM

72°

72°

Mostly Cloudy

0%

0% Thunder
( 2% severe)

N 6

68%

61°

11 PM

64°

64°

Mostly Cloudy

NNE 6

84%

59°

Friday
11 SEP 2026

2 AM

60°

61°

Partly Cloudy

0%

0% Thunder
( 1% severe)

NE 3

87%

56°

Low 57°

5 AM

58°

58°

Partly Cloudy

ENE 3

90%

55°

High 80°

8 AM

58°

58°

Partly Cloudy

0%

0% Thunder
( 0% severe)

ENE 3

93%

56°

Partly Cloudy

11 AM

70°

70°

Partly Cloudy

E 5

66%

58°

2 PM

76°

78°

Partly Cloudy

1%

0% Thunder
( 1% severe)

ESE 5

52%

57°

5 PM

77°

79°

Partly Cloudy

SE 5

52%

58°

8 PM

72°

72°

Mostly Cloudy

7%

0% Thunder
( 1% severe)

ESE 5

68%

61°

11 PM

65°

65°

Mostly Cloudy

ESE 5

90%

62°


GRISSOM AFB, IN extended weather forecast
Saturday 12 SEP 2026	Sunday 13 SEP 2026	Monday 14 SEP 2026	Tuesday 15 SEP 2026	Wednesday 16 SEP 2026
Low 63°	Low 66°	Low 61°	Low 68°	Low 66°
High 84°	High 83°	High 82°	High 91°	High 84°

Overcast 35% Rain	Partly Cloudy 26% Rain	Overcast 48% Rain	Mostly Cloudy 47% Rain	Overcast 61% Rain

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