Point Forecast: Grantsburg IN  38.3N 86.48W (Elev. 646 ft)	Last Update: 7:15 pm EDT Jul 15, 2025

[show menu]

Date	07/15			07/16
Hour (EDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	78	75	75	74	74	74	73	72	72	72	71	73	75	78	80	82	83	84	86	87	87	88	85	84
Dewpoint (°F)	75	75	74	74	73	73	72	72	71	71	71	73	74	76	76	76	77	77	76	77	77	77	77	76
Heat Index (°F)	78	75	75										75	78	86	89	92	94	96	99	99	100	96	93
Surface Wind (mph)	1	1	1	1	1	1	1	1	1	1	2	2	2	3	3	5	6	6	6	5	5	3	2	2
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Gust
Sky Cover (%)	58	70	66	71	64	72	66	68	67	56	59	47	50	62	59	68	47	41	39	26	28	32	44	51
Precipitation Potential (%)	25	20	21	21	30	38	37	36	43	49	53	56	53	50	47	42	38	33	31	28	26	26	26	7
Relative Humidity (%)	91	100	97	100	97	97	97	100	97	97	100	100	97	94	88	82	82	80	72	72	72	70	77	77
Rain	Chc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--
Thunder	Chc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--
Date				07/17
Hour (EDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	80	77	75	75	75	74	73	73	73	73	74	75	78	81	84	86	87	87	87	87	86	85	84	83
Dewpoint (°F)	76	76	74	74	74	73	72	72	72	72	73	74	75	76	77	78	78	78	77	77	76	76	76	76
Heat Index (°F)	86	77	75	75	75							75	78	87	94	98	100	100	99	99	96	94	93	91
Surface Wind (mph)	2	2	1	1	1	1	1	2	2	2	2	2	2	3	3	3	5	5	5	3	3	3	2	2
Wind Dir	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W
Gust
Sky Cover (%)	42	33	24	19	25	31	32	33	34	31	27	24	25	25	26	31	37	42	42	43	43	50	56	63
Precipitation Potential (%)	7	7	7	7	7	18	18	18	18	18	18	38	38	38	38	38	38	59	59	59	59	59	59	49
Relative Humidity (%)	88	97	97	97	97	97	97	97	97	97	97	97	91	85	80	77	75	75	72	72	72	75	77	80
Rain	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc
Thunder	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Local Climatology Digital Forecast Graphical Forecasts Home Hazardous Weather Outlook River Info / AHPS Science / Technology Preparedness Severe Weather Data WFO Louisville Home Long Term Forecasts