National Weather Service

Point Forecast: Hammond IN 41.63N 87.49W	Last Update: 2:26 pm CDT May 19, 2025

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Weather Elements	Fire Weather	Probabilistic Forecasts (Experimental) Description \| Survey
Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog	Mixing Height Trans. Wind 20ft Wind Vent Rate (x1000 mph-ft)	Quantitative Precipitation info 0.100.250.501.00 Snowfall info 0.1in1in3in6in12in

48-Hour Period Starting:


Date	05/19					05/20
Hour (CDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	53	53	54	56	56	56	56	55	54	53	51	50	48	48	50	50	52	53	53	54	55	57	59	58
Dewpoint (°F)	44	45	45	46	46	46	45	44	44	44	43	43	43	44	46	47	49	50	51	51	52	52	52	52
Heat Index (°F)
Surface Wind (mph)	14	14	14	15	16	17	18	18	20	20	20	21	21	22	23	23	23	23	22	21	21	20	18	17
Wind Dir	NE	NE	ENE	ENE	ENE	E	E	E	E	E	E	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE
Gust				20	22	25	28	29	30	31	32	32	33	34	34	36	36	37	36	34	32	30	28	26
Sky Cover (%)	54	63	71	80	83	86	89	90	92	93	95	98	100	100	100	100	98	97	95	94	93	93	90	87
Precipitation Potential (%)	5	6	8	9	11	14	16	27	37	48	61	87	100	100	100	100	100	100	100	100	100	85	85	85
Relative Humidity (%)	71	74	71	69	69	69	66	66	69	71	74	77	83	86	86	89	89	89	93	90	90	83	78	80
Rain	--	--	--	--	--	--	SChc	Chc	Chc	Chc	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl
Thunder	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc

Date						05/21
Hour (CDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	58	57	56	56	54	54	53	53	53	52	52	51	54	55	55	56	56	56	56	55	55	55	55	54
Dewpoint (°F)	52	52	52	52	51	51	52	51	51	52	52	51	52	52	52	51	51	51	50	50	49	49	49	49
Heat Index (°F)
Surface Wind (mph)	16	15	15	14	13	11	10	9	9	9	9	8	8	9	9	10	11	11	13	13	13	13	11	11
Wind Dir	ESE	E	E	E	E	E	E	E	E	E	ESE	SSW	WSW	WSW	W	W	W	W	W	W	WNW	WNW	WNW	WNW
Gust	24	23	21	20	18	17	16	15	15	15	15	14	14	15	15	16	17	18	20	20	20	20	18	18
Sky Cover (%)	84	86	88	90	89	89	89	89	89	90	89	88	87	84	80	77	78	79	80	78	77	75	75	76
Precipitation Potential (%)	84	84	84	80	80	80	52	52	52	52	52	52	53	53	53	53	53	53	58	58	58	58	58	58
Relative Humidity (%)	80	83	86	86	90	90	96	93	93	100	100	100	93	90	90	83	83	83	80	83	80	80	80	83
Rain	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly
Thunder	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units	Forecast Discussion
7-Day Forecast	Hourly Weather Graph

Graphical Hazardous Weather Outlook	Hazardous Weather
Regional Weather Conditions	Past Weather Information