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
3:55 PM EDT OCT 18, 2025
Few Clouds 82°F
Feels Like:	82°F
Dewpoint:	59°F
Rel. Hum.:	46%
Visibility:	10 miles
Wind:	SW at 16 mph
Pressure:	29.65 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
Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. Southwest winds 15 to 20 mph. Chance of rain 30 percent.

TONIGHT
Rain with a chance of thunderstorms. Lows in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

SUNDAY
A slight chance of thunderstorms in the morning. Rain. Much cooler with highs in the upper 50s. Temperature falling into the lower 50s in the afternoon. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.

SUNDAY NIGHT
Mostly clear. A chance of rain in the evening. Cooler with lows in the upper 30s. West winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 50 percent.

MONDAY
Sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph.

MONDAY NIGHT
Clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 40 percent.

TUESDAY
Mostly sunny. A chance of showers, mainly in the morning. Breezy with highs in the upper 50s. Chance of rain 40 percent.

TUESDAY NIGHT
Partly cloudy with a 20 percent chance of showers. Lows in the lower 40s.

WEDNESDAY
Partly cloudy. A slight chance of showers in the morning. Highs in the lower 50s. Chance of rain 20 percent.

WEDNESDAY NIGHT
Mostly clear. Lows in the mid 30s.

THURSDAY
Sunny. Highs in the mid 50s.

THURSDAY NIGHT
Mostly clear. Lows in the mid 30s.

FRIDAY
Partly cloudy with a 20 percent chance of rain showers. Highs in the upper 50s.

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 AM MDT 10/18/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
18 OCT 2025

2 PM

80°

81°

Mostly Cloudy

73%
RAIN
1–2 in

0% Thunder
( 29% severe)

SW 17

51%

60°

High 81°

5 PM

77°

79°

Mostly Cloudy

SW 16

58%

61°

Mostly Cloudy

Rain

8 PM

69°

69°

Mostly Cloudy

96%
RAIN
***

0% Thunder
( 43% severe)

SW 12

78%

62°

11 PM

66°

66°

Overcast

SSW 12

90%

63°

Sunday
19 OCT 2025

2 AM

65°

65°

Overcast

99%
RAIN
***

0% Thunder
( 28% severe)

S 15

93%

63°

Low 52°

5 AM

63°

61°

Overcast

SSW 17

93%

61°

High 60°

8 AM

59°

56°

Overcast

97%
RAIN
***

0% Thunder
( 5% severe)

W 17

93%

57°

Overcast

Rain

Breezy

11 AM

55°

50°

Mostly Cloudy

WNW 20

93%

53°

2 PM

53°

47°

Overcast

84%
RAIN
***

0% Thunder
( 3% severe)

WNW 22

86%

49°

5 PM

53°

47°

Mostly Cloudy

WNW 21

74%

45°

8 PM

50°

44°

Mostly Cloudy

8%

0% Thunder
( 0% severe)

W 16

74%

42°

11 PM

47°

41°

Clear

W 13

76%

40°

Monday
20 OCT 2025

2 AM

45°

40°

Clear

2%

0% Thunder
( 0% severe)

W 10

79%

39°

Low 39°

5 AM

43°

38°

Clear

W 9

79%

37°

High 64°

8 AM

41°

36°

Clear

0%

0% Thunder
( 0% severe)

WSW 8

82%

36°

Clear

11 AM

52°

49°

Clear

SW 9

66%

41°

2 PM

61°

59°

Clear

0%

0% Thunder
( 0% severe)

SW 13

44%

39°

5 PM

63°

61°

Clear

SSW 15

41%

39°

8 PM

54°

50°

Clear

S 14

57%

39°


GRISSOM AFB, IN extended weather forecast
Tuesday 21 OCT 2025	Wednesday 22 OCT 2025	Thursday 23 OCT 2025	Friday 24 OCT 2025	Saturday 25 OCT 2025
Low 44°	Low 38°	Low 38°	Low 37°	Low 38°
High 63°	High 53°	High 61°	High 56°	High 60°

Partly Cloudy 18% Rain	Mostly Cloudy 21% Rain	Clear 9% Rain	Partly Cloudy 28% Rain	Overcast 48% Rain

WEATHER SELECT BOX EXAMPLES:

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STATE WEATHER MAP:

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