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Point Forecast: Grand Rapids, Gerald R. Ford International Airport MI  42.89N 85.53W (Elev. 797 ft)	Last Update: 1:04 am EDT Jul 21, 2018

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Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Haines Index Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Quantitative Precipitation  3-hr6-hr12-hr24-hr   info     0.100.250.501.00 Snowfall  3-hr6-hr12-hr24-hr   info     0.1in1in3in6in12in

48-Hour Period Starting: 1am Sat, Jul 21 20182am Sat, Jul 21 20183am Sat, Jul 21 20184am Sat, Jul 21 20185am Sat, Jul 21 20186am Sat, Jul 21 20187am Sat, Jul 21 20188am Sat, Jul 21 20189am Sat, Jul 21 201810am Sat, Jul 21 201811am Sat, Jul 21 201812pm Sat, Jul 21 20181pm Sat, Jul 21 20182pm Sat, Jul 21 20183pm Sat, Jul 21 20184pm Sat, Jul 21 20185pm Sat, Jul 21 20186pm Sat, Jul 21 20187pm Sat, Jul 21 20188pm Sat, Jul 21 20189pm Sat, Jul 21 201810pm Sat, Jul 21 201811pm Sat, Jul 21 201812am Sun, Jul 22 20181am Sun, Jul 22 20182am Sun, Jul 22 20183am Sun, Jul 22 20184am Sun, Jul 22 20185am Sun, Jul 22 20186am Sun, Jul 22 20187am Sun, Jul 22 20188am Sun, Jul 22 20189am Sun, Jul 22 201810am Sun, Jul 22 201811am Sun, Jul 22 201812pm Sun, Jul 22 20181pm Sun, Jul 22 20182pm Sun, Jul 22 20183pm Sun, Jul 22 20184pm Sun, Jul 22 20185pm Sun, Jul 22 20186pm Sun, Jul 22 20187pm Sun, Jul 22 20188pm Sun, Jul 22 20189pm Sun, Jul 22 201810pm Sun, Jul 22 201811pm Sun, Jul 22 201812am Mon, Jul 23 20181am Mon, Jul 23 20182am Mon, Jul 23 20183am Mon, Jul 23 20184am Mon, Jul 23 20185am Mon, Jul 23 20186am Mon, Jul 23 20187am Mon, Jul 23 20188am Mon, Jul 23 20189am Mon, Jul 23 201810am Mon, Jul 23 201811am Mon, Jul 23 201812pm Mon, Jul 23 20181pm Mon, Jul 23 20182pm Mon, Jul 23 20183pm Mon, Jul 23 20184pm Mon, Jul 23 20185pm Mon, Jul 23 20186pm Mon, Jul 23 20187pm Mon, Jul 23 20188pm Mon, Jul 23 20189pm Mon, Jul 23 201810pm Mon, Jul 23 201811pm Mon, Jul 23 201812am Tue, Jul 24 20181am Tue, Jul 24 20182am Tue, Jul 24 20183am Tue, Jul 24 20184am Tue, Jul 24 20185am Tue, Jul 24 20186am Tue, Jul 24 20187am Tue, Jul 24 20188am Tue, Jul 24 20189am Tue, Jul 24 201810am Tue, Jul 24 201811am Tue, Jul 24 201812pm Tue, Jul 24 20181pm Tue, Jul 24 20182pm Tue, Jul 24 20183pm Tue, Jul 24 20184pm Tue, Jul 24 20185pm Tue, Jul 24 20186pm Tue, Jul 24 20187pm Tue, Jul 24 20188pm Tue, Jul 24 20189pm Tue, Jul 24 201810pm Tue, Jul 24 201811pm Tue, Jul 24 201812am Wed, Jul 25 20181am Wed, Jul 25 20182am Wed, Jul 25 20183am Wed, Jul 25 20184am Wed, Jul 25 20185am Wed, Jul 25 20186am Wed, Jul 25 20187am Wed, Jul 25 20188am Wed, Jul 25 20189am Wed, Jul 25 201810am Wed, Jul 25 201811am Wed, Jul 25 201812pm Wed, Jul 25 2018

Date	07/21																							07/22
Hour (EDT)	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00
Temperature (°F)	66	66	67	66	66	66	65	66	67	69	70	72	73	74	74	75	74	74	74	72	70	68	66	66
Dewpoint (°F)	66	65	65	65	65	65	65	66	66	67	67	67	67	67	67	67	68	68	67	66	67	67	66	66
Heat Index (°F)																76
Surface Wind (mph)	6	10	10	9	9	9	8	8	8	8	8	8	9	9	9	9	9	9	8	8	8	7	7	8
Wind Dir	ESE	ESE	ESE	ESE	E	E	E	E	ENE	ENE	NE	NE	NNE	N	N	NNE	NNE	NNE	NNE	NNE	NE	ENE	ENE	ENE
Gust
Sky Cover (%)	95	98	97	97	96	96	97	97	96	96	95	97	98	100	100	100	100	96	91	87	86	85	84	85
Precipitation Potential (%)	73	84	61	58	42	52	54	53	45	48	50	73	74	77	76	76	79	80	65	47	47	47	47	47
Relative Humidity (%)	98	97	99	98	98	100	99	100	95	92	87	85	79	77	77	75	76	81	80	77	82	91	93	94
Rain	Lkly	Ocnl	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Chc	Chc	Chc	Chc	Chc
Thunder	SChc	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Date																								07/23
Hour (EDT)	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00
Temperature (°F)	67	67	68	68	68	68	68	67	68	71	74	76	78	80	81	82	82	82	81	79	75	71	68	66
Dewpoint (°F)	66	67	66	66	66	65	66	65	65	66	66	66	65	64	64	63	63	62	62	61	60	60	59	58
Heat Index (°F)												76	78	82	83	83	83	83	82	79	75
Surface Wind (mph)	8	9	9	8	8	8	9	9	9	10	10	10	11	11	11	11	11	10	10	9	9	8	8	7
Wind Dir	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	NE	NE	NE	NE	NE	ENE	ENE	ENE
Gust
Sky Cover (%)	88	89	89	89	89	88	85	84	82	78	75	76	77	77	72	60	54	54	53	53	50	43	39	39
Precipitation Potential (%)	47	30	30	30	30	30	30	18	18	18	18	18	18	19	19	19	19	19	19	3	3	3	3	3
Relative Humidity (%)	92	96	96	95	98	97	99	93	90	84	76	71	64	58	56	53	53	51	53	54	60	68	73	75
Rain	Chc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--
Thunder	Chc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--

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