Point Forecast: Grissom Air Force Base / Peru IN  40.65N 86.14W (Elev. 804 ft)	Last Update: 10:15 am EST Dec 7, 2025

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Weather Elements Fire Weather Aviation Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 10am Sun, Dec 7 202511am Sun, Dec 7 202512pm Sun, Dec 7 20251pm Sun, Dec 7 20252pm Sun, Dec 7 20253pm Sun, Dec 7 20254pm Sun, Dec 7 20255pm Sun, Dec 7 20256pm Sun, Dec 7 20257pm Sun, Dec 7 20258pm Sun, Dec 7 20259pm Sun, Dec 7 202510pm Sun, Dec 7 202511pm Sun, Dec 7 202512am Mon, Dec 8 20251am Mon, Dec 8 20252am Mon, Dec 8 20253am Mon, Dec 8 20254am Mon, Dec 8 20255am Mon, Dec 8 20256am Mon, Dec 8 20257am Mon, Dec 8 20258am Mon, Dec 8 20259am Mon, Dec 8 202510am Mon, Dec 8 202511am Mon, Dec 8 202512pm Mon, Dec 8 20251pm Mon, Dec 8 20252pm Mon, Dec 8 20253pm Mon, Dec 8 20254pm Mon, Dec 8 20255pm Mon, Dec 8 20256pm Mon, Dec 8 20257pm Mon, Dec 8 20258pm Mon, Dec 8 20259pm Mon, Dec 8 202510pm Mon, Dec 8 202511pm Mon, Dec 8 202512am Tue, Dec 9 20251am Tue, Dec 9 20252am Tue, Dec 9 20253am Tue, Dec 9 20254am Tue, Dec 9 20255am Tue, Dec 9 20256am Tue, Dec 9 20257am Tue, Dec 9 20258am Tue, Dec 9 20259am Tue, Dec 9 202510am Tue, Dec 9 202511am Tue, Dec 9 202512pm Tue, Dec 9 20251pm Tue, Dec 9 20252pm Tue, Dec 9 20253pm Tue, Dec 9 20254pm Tue, Dec 9 20255pm Tue, Dec 9 20256pm Tue, Dec 9 20257pm Tue, Dec 9 20258pm Tue, Dec 9 20259pm Tue, Dec 9 202510pm Tue, Dec 9 202511pm Tue, Dec 9 202512am Wed, Dec 10 20251am Wed, Dec 10 20252am Wed, Dec 10 20253am Wed, Dec 10 20254am Wed, Dec 10 20255am Wed, Dec 10 20256am Wed, Dec 10 20257am Wed, Dec 10 20258am Wed, Dec 10 20259am Wed, Dec 10 202510am Wed, Dec 10 202511am Wed, Dec 10 202512pm Wed, Dec 10 20251pm Wed, Dec 10 20252pm Wed, Dec 10 20253pm Wed, Dec 10 20254pm Wed, Dec 10 20255pm Wed, Dec 10 20256pm Wed, Dec 10 20257pm Wed, Dec 10 20258pm Wed, Dec 10 20259pm Wed, Dec 10 202510pm Wed, Dec 10 202511pm Wed, Dec 10 202512am Thu, Dec 11 20251am Thu, Dec 11 20252am Thu, Dec 11 20253am Thu, Dec 11 20254am Thu, Dec 11 20255am Thu, Dec 11 20256am Thu, Dec 11 20257am Thu, Dec 11 20258am Thu, Dec 11 20259am Thu, Dec 11 202510am Thu, Dec 11 202511am Thu, Dec 11 202512pm Thu, Dec 11 20251pm Thu, Dec 11 20252pm Thu, Dec 11 20253pm Thu, Dec 11 20254pm Thu, Dec 11 20255pm Thu, Dec 11 20256pm Thu, Dec 11 20257pm Thu, Dec 11 20258pm Thu, Dec 11 20259pm Thu, Dec 11 2025

Date	12/07														12/08
Hour (EST)	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09
Temperature (°F)	33	34	34	33	33	32	32	31	28	26	23	22	20	18	16	15	13	11	10	8	6	7	8	9
Dewpoint (°F)	30	31	31	31	29	28	27	25	24	22	20	19	17	15	14	12	10	9	7	7	6	6	7	8
Wind Chill (°F)	27	28	28	27	26	25	24	23	19	16	13	13	10	8	6	5	3	0	0	-2	-4	-3	-2	-1
Surface Wind (mph)	7	7	7	7	8	8	9	9	10	10	9	8	8	8	7	7	7	7	6	6	6	6	6	6
Wind Dir	S	SW	W	NW	NW	N	N	N	N	N	N	N	N	N	NE	NE	NE	NE	NE	NE	NE	NE	NE	E
Gust
Sky Cover (%)	98	96	94	93	86	80	72	69	67	63	59	51	62	45	43	41	41	41	41	43	45	59	54	52
Precipitation Potential (%)	53	46	48	23	8	7	7	7	7	4	4	4	4	4	4	4	4	4	4	4	4	1	1	1
Relative Humidity (%)	89	89	90	92	85	85	82	78	85	85	88	88	88	88	92	88	87	91	87	96	100	96	96	96
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	Chc	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date															12/09
Hour (EST)	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09
Temperature (°F)	12	14	18	21	21	22	23	21	19	18	17	17	16	18	19	20	21	23	24	25	25	26	27	29
Dewpoint (°F)	11	12	14	15	16	16	16	15	13	12	12	13	14	15	15	16	17	18	19	20	21	22	24	25
Wind Chill (°F)	3	6	11	15	15	17	18	16	14	11	9	9	6	8	8	9	10	11	12	13	12	13	14	17
Surface Wind (mph)	6	5	5	5	5	3	3	3	3	5	6	6	7	8	9	10	10	13	14	15	16	18	18	18
Wind Dir	E	E	E	E	SE	SE	SE	SE	SE	SE	SE	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW
Gust																		20	22	24	25	28	28	28
Sky Cover (%)	50	61	54	46	41	36	31	33	34	36	39	43	46	49	53	56	63	71	78	77	77	76	69	62
Precipitation Potential (%)	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	3	3	3	3	3	3	5	5	5
Relative Humidity (%)	96	92	84	77	81	77	74	77	77	77	80	84	92	88	84	84	84	81	81	81	84	85	88	85
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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