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Point Forecast: Tysons Corner VA  38.91N 77.22W (Elev. 137 m)	Last Update: 4:30 am EDT Jul 24, 2021

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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: 5am Sat, Jul 24 20216am Sat, Jul 24 20217am Sat, Jul 24 20218am Sat, Jul 24 20219am Sat, Jul 24 202110am Sat, Jul 24 202111am Sat, Jul 24 202112pm Sat, Jul 24 20211pm Sat, Jul 24 20212pm Sat, Jul 24 20213pm Sat, Jul 24 20214pm Sat, Jul 24 20215pm Sat, Jul 24 20216pm Sat, Jul 24 20217pm Sat, Jul 24 20218pm Sat, Jul 24 20219pm Sat, Jul 24 202110pm Sat, Jul 24 202111pm Sat, Jul 24 202112am Sun, Jul 25 20211am Sun, Jul 25 20212am Sun, Jul 25 20213am Sun, Jul 25 20214am Sun, Jul 25 20215am Sun, Jul 25 20216am Sun, Jul 25 20217am Sun, Jul 25 20218am Sun, Jul 25 20219am Sun, Jul 25 202110am Sun, Jul 25 202111am Sun, Jul 25 202112pm Sun, Jul 25 20211pm Sun, Jul 25 20212pm Sun, Jul 25 20213pm Sun, Jul 25 20214pm Sun, Jul 25 20215pm Sun, Jul 25 20216pm Sun, Jul 25 20217pm Sun, Jul 25 20218pm Sun, Jul 25 20219pm Sun, Jul 25 202110pm Sun, Jul 25 202111pm Sun, Jul 25 202112am Mon, Jul 26 20211am Mon, Jul 26 20212am Mon, Jul 26 20213am Mon, Jul 26 20214am Mon, Jul 26 20215am Mon, Jul 26 20216am Mon, Jul 26 20217am Mon, Jul 26 20218am Mon, Jul 26 20219am Mon, Jul 26 202110am Mon, Jul 26 202111am Mon, Jul 26 202112pm Mon, Jul 26 20211pm Mon, Jul 26 20212pm Mon, Jul 26 20213pm Mon, Jul 26 20214pm Mon, Jul 26 20215pm Mon, Jul 26 20216pm Mon, Jul 26 20217pm Mon, Jul 26 20218pm Mon, Jul 26 20219pm Mon, Jul 26 202110pm Mon, Jul 26 202111pm Mon, Jul 26 202112am Tue, Jul 27 20211am Tue, Jul 27 20212am Tue, Jul 27 20213am Tue, Jul 27 20214am Tue, Jul 27 20215am Tue, Jul 27 20216am Tue, Jul 27 20217am Tue, Jul 27 20218am Tue, Jul 27 20219am Tue, Jul 27 202110am Tue, Jul 27 202111am Tue, Jul 27 202112pm Tue, Jul 27 20211pm Tue, Jul 27 20212pm Tue, Jul 27 20213pm Tue, Jul 27 20214pm Tue, Jul 27 20215pm Tue, Jul 27 20216pm Tue, Jul 27 20217pm Tue, Jul 27 20218pm Tue, Jul 27 20219pm Tue, Jul 27 202110pm Tue, Jul 27 202111pm Tue, Jul 27 202112am Wed, Jul 28 20211am Wed, Jul 28 20212am Wed, Jul 28 20213am Wed, Jul 28 20214am Wed, Jul 28 20215am Wed, Jul 28 20216am Wed, Jul 28 20217am Wed, Jul 28 20218am Wed, Jul 28 20219am Wed, Jul 28 202110am Wed, Jul 28 202111am Wed, Jul 28 202112pm Wed, Jul 28 20211pm Wed, Jul 28 20212pm Wed, Jul 28 20213pm Wed, Jul 28 20214pm Wed, Jul 28 2021

Date	07/24																			07/25
Hour (EDT)	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04
Temperature (°C)	19	19	20	22	23	25	27	28	29	29	30	30	30	29	28	27	26	25	24	24	23	22	22	22
Dewpoint (°C)	15	16	16	17	17	17	17	17	17	17	17	17	18	18	18	18	18	18	18	18	18	18	18	18
Heat Index (°C)						25	27	28	29	30	31	31	31	30	29	28	26	25	24	24
Surface Wind (mph)	2	2	1	2	3	6	6	7	7	8	9	9	10	9	8	8	8	9	10	11	11	10	10	11
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	30	30	32	34	36	38	41	43	43	40	38	25	25	27	22	51	49	48	60	61	52	60	57	53
Precipitation Potential (%)	15	15	15	3	3	3	3	3	3	9	9	9	12	12	12	14	14	14	14	14	14	16	16	16
Relative Humidity (%)	75	78	76	73	66	60	56	53	49	48	46	46	48	50	53	56	60	64	66	69	73	76	79	79
Rain	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																				07/26
Hour (EDT)	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04
Temperature (°C)	22	22	22	23	24	26	28	30	32	33	33	33	32	31	31	30	28	26	25	24	24	24	24	23
Dewpoint (°C)	18	18	18	19	19	20	20	20	20	20	20	20	20	21	21	21	21	22	22	22	22	22	22	21
Heat Index (°C)					24	26	29	32	34	36	36	35	34	33	33	33	31	26	25	24	24	24	24
Surface Wind (mph)	10	11	10	9	9	9	9	9	9	9	9	10	9	8	7	6	6	6	6	5	3	3	3	3
Wind Dir	S	S	S	S	S	S	SW	SW	SW	S	S	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	W
Gust
Sky Cover (%)	58	71	62	61	61	44	56	60	52	44	45	53	61	63	63	62	63	64	64	61	57	53	52	53
Precipitation Potential (%)	16	16	16	10	10	10	11	11	11	32	32	32	32	32	32	26	26	26	26	26	26	10	10	10
Relative Humidity (%)	79	79	79	79	74	71	63	55	49	46	46	47	50	54	55	59	65	77	82	85	85	85	87	87
Rain	SChc	SChc	SChc	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--

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