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Point Forecast: Chevy Chase MD  38.98N 77.09W (Elev. 105 m)	Last Update: 4:31 pm EDT Jul 9, 2020

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Weather Elements Weather/Precipitation Fire Weather Temperature (°C) Dewpoint (°C) Heat Index (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-m) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index

48-Hour Period Starting: 6pm Thu, Jul 9 20207pm Thu, Jul 9 20208pm Thu, Jul 9 20209pm Thu, Jul 9 202010pm Thu, Jul 9 202011pm Thu, Jul 9 202012am Fri, Jul 10 20201am Fri, Jul 10 20202am Fri, Jul 10 20203am Fri, Jul 10 20204am Fri, Jul 10 20205am Fri, Jul 10 20206am Fri, Jul 10 20207am Fri, Jul 10 20208am Fri, Jul 10 20209am Fri, Jul 10 202010am Fri, Jul 10 202011am Fri, Jul 10 202012pm Fri, Jul 10 20201pm Fri, Jul 10 20202pm Fri, Jul 10 20203pm Fri, Jul 10 20204pm Fri, Jul 10 20205pm Fri, Jul 10 20206pm Fri, Jul 10 20207pm Fri, Jul 10 20208pm Fri, Jul 10 20209pm Fri, Jul 10 202010pm Fri, Jul 10 202011pm Fri, Jul 10 202012am Sat, Jul 11 20201am Sat, Jul 11 20202am Sat, Jul 11 20203am Sat, Jul 11 20204am Sat, Jul 11 20205am Sat, Jul 11 20206am Sat, Jul 11 20207am Sat, Jul 11 20208am Sat, Jul 11 20209am Sat, Jul 11 202010am Sat, Jul 11 202011am Sat, Jul 11 202012pm Sat, Jul 11 20201pm Sat, Jul 11 20202pm Sat, Jul 11 20203pm Sat, Jul 11 20204pm Sat, Jul 11 20205pm Sat, Jul 11 20206pm Sat, Jul 11 20207pm Sat, Jul 11 20208pm Sat, Jul 11 20209pm Sat, Jul 11 202010pm Sat, Jul 11 202011pm Sat, Jul 11 202012am Sun, Jul 12 20201am Sun, Jul 12 20202am Sun, Jul 12 20203am Sun, Jul 12 20204am Sun, Jul 12 20205am Sun, Jul 12 20206am Sun, Jul 12 20207am Sun, Jul 12 20208am Sun, Jul 12 20209am Sun, Jul 12 202010am Sun, Jul 12 202011am Sun, Jul 12 202012pm Sun, Jul 12 20201pm Sun, Jul 12 20202pm Sun, Jul 12 20203pm Sun, Jul 12 20204pm Sun, Jul 12 20205pm Sun, Jul 12 20206pm Sun, Jul 12 20207pm Sun, Jul 12 20208pm Sun, Jul 12 20209pm Sun, Jul 12 202010pm Sun, Jul 12 202011pm Sun, Jul 12 202012am Mon, Jul 13 20201am Mon, Jul 13 20202am Mon, Jul 13 20203am Mon, Jul 13 20204am Mon, Jul 13 20205am Mon, Jul 13 20206am Mon, Jul 13 20207am Mon, Jul 13 20208am Mon, Jul 13 20209am Mon, Jul 13 202010am Mon, Jul 13 202011am Mon, Jul 13 202012pm Mon, Jul 13 20201pm Mon, Jul 13 20202pm Mon, Jul 13 20203pm Mon, Jul 13 20204pm Mon, Jul 13 20205pm Mon, Jul 13 20206pm Mon, Jul 13 20207pm Mon, Jul 13 20208pm Mon, Jul 13 20209pm Mon, Jul 13 202010pm Mon, Jul 13 202011pm Mon, Jul 13 202012am Tue, Jul 14 20201am Tue, Jul 14 20202am Tue, Jul 14 20203am Tue, Jul 14 20204am Tue, Jul 14 20205am Tue, Jul 14 2020

Date	07/09						07/10
Hour (EDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°C)	29	29	28	28	26	26	25	24	24	24	23	23	23	24	24	26	26	27	28	28	29	29	29	29
Dewpoint (°C)	21	21	21	21	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	23	22	22	22	22
Heat Index (°C)	32	31	31	30	26	26	25	24	24	24				24	24	26	26	29	31	32	33	33	33	33
Surface Wind (mph)	9	8	8	8	7	7	7	6	6	6	6	7	8	8	9	9	10	10	10	10	10	10	10	9
Wind Dir	E	E	E	E	E	E	E	NE	NE	NE	NE	NE	NE	N	N	N	N	N	N	N	N	N	N	N
Gust
Sky Cover (%)	33	30	28	31	35	35	39	47	54	62	72	74	75	79	74	83	81	75	72	72	68	66	58	50
Precipitation Potential (%)	14	14	11	11	11	20	20	20	33	33	33	33	33	33	51	51	51	51	51	51	42	42	42	42
Relative Humidity (%)	59	63	65	67	77	82	85	87	90	90	93	90	97	90	87	82	79	77	72	72	65	65	65	65
Rain	--	--	--	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc
Date							07/11
Hour (EDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°C)	29	28	28	27	26	26	25	25	24	24	23	23	23	24	25	26	28	29	31	31	32	32	31	31
Dewpoint (°C)	22	22	22	22	22	22	22	22	22	22	21	21	21	22	22	22	22	22	22	22	22	22	22	22
Heat Index (°C)	32	31	30	29	26	26	25	25	24	24				24	25	26	31	33	34	34	35	35	35	34
Surface Wind (mph)	8	7	6	5	3	5	5	3	5	5	3	3	3	3	5	5	5	6	5	5	6	6	7	8
Wind Dir	N	N	N	NE	SE	SE	S	SW	W	W	W	SW	W	W	W	W	W	W	W	SW	SW	SW	W	W
Gust
Sky Cover (%)	41	38	48	46	42	40	42	45	47	52	61	65	62	57	54	56	59	61	62	63	63	64	65	66
Precipitation Potential (%)	42	42	24	24	24	24	24	24	14	14	14	14	14	14	27	27	27	27	27	27	63	63	63	63
Relative Humidity (%)	67	67	69	72	77	79	82	82	85	87	87	87	87	87	82	77	72	65	61	57	56	56	59	61
Rain	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly
Thunder	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc

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