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Point Forecast: Mc Lean VA  38.95N 77.19W (Elev. 253 ft)	Last Update: 9:36 pm EST Mar 2, 2021

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

48-Hour Period Starting: 10pm Tue, Mar 2 202111pm Tue, Mar 2 202112am Wed, Mar 3 20211am Wed, Mar 3 20212am Wed, Mar 3 20213am Wed, Mar 3 20214am Wed, Mar 3 20215am Wed, Mar 3 20216am Wed, Mar 3 20217am Wed, Mar 3 20218am Wed, Mar 3 20219am Wed, Mar 3 202110am Wed, Mar 3 202111am Wed, Mar 3 202112pm Wed, Mar 3 20211pm Wed, Mar 3 20212pm Wed, Mar 3 20213pm Wed, Mar 3 20214pm Wed, Mar 3 20215pm Wed, Mar 3 20216pm Wed, Mar 3 20217pm Wed, Mar 3 20218pm Wed, Mar 3 20219pm Wed, Mar 3 202110pm Wed, Mar 3 202111pm Wed, Mar 3 202112am Thu, Mar 4 20211am Thu, Mar 4 20212am Thu, Mar 4 20213am Thu, Mar 4 20214am Thu, Mar 4 20215am Thu, Mar 4 20216am Thu, Mar 4 20217am Thu, Mar 4 20218am Thu, Mar 4 20219am Thu, Mar 4 202110am Thu, Mar 4 202111am Thu, Mar 4 202112pm Thu, Mar 4 20211pm Thu, Mar 4 20212pm Thu, Mar 4 20213pm Thu, Mar 4 20214pm Thu, Mar 4 20215pm Thu, Mar 4 20216pm Thu, Mar 4 20217pm Thu, Mar 4 20218pm Thu, Mar 4 20219pm Thu, Mar 4 202110pm Thu, Mar 4 202111pm Thu, Mar 4 202112am Fri, Mar 5 20211am Fri, Mar 5 20212am Fri, Mar 5 20213am Fri, Mar 5 20214am Fri, Mar 5 20215am Fri, Mar 5 20216am Fri, Mar 5 20217am Fri, Mar 5 20218am Fri, Mar 5 20219am Fri, Mar 5 202110am Fri, Mar 5 202111am Fri, Mar 5 202112pm Fri, Mar 5 20211pm Fri, Mar 5 20212pm Fri, Mar 5 20213pm Fri, Mar 5 20214pm Fri, Mar 5 20215pm Fri, Mar 5 20216pm Fri, Mar 5 20217pm Fri, Mar 5 20218pm Fri, Mar 5 20219pm Fri, Mar 5 202110pm Fri, Mar 5 202111pm Fri, Mar 5 202112am Sat, Mar 6 20211am Sat, Mar 6 20212am Sat, Mar 6 20213am Sat, Mar 6 20214am Sat, Mar 6 20215am Sat, Mar 6 20216am Sat, Mar 6 20217am Sat, Mar 6 20218am Sat, Mar 6 20219am Sat, Mar 6 202110am Sat, Mar 6 202111am Sat, Mar 6 202112pm Sat, Mar 6 20211pm Sat, Mar 6 20212pm Sat, Mar 6 20213pm Sat, Mar 6 20214pm Sat, Mar 6 20215pm Sat, Mar 6 20216pm Sat, Mar 6 20217pm Sat, Mar 6 20218pm Sat, Mar 6 20219pm Sat, Mar 6 202110pm Sat, Mar 6 202111pm Sat, Mar 6 202112am Sun, Mar 7 20211am Sun, Mar 7 20212am Sun, Mar 7 20213am Sun, Mar 7 20214am Sun, Mar 7 20215am Sun, Mar 7 20216am Sun, Mar 7 20217am Sun, Mar 7 20218am Sun, Mar 7 20219am Sun, Mar 7 2021

Date	03/02		03/03
Hour (EST)	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21
Temperature (°F)	34	33	32	31	31	30	29	29	30	32	34	38	42	46	50	53	56	57	56	54	52	49	47	46
Dewpoint (°F)	19	18	19	21	21	21	23	23	23	24	24	26	27	26	25	26	26	27	27	29	29	30	30	31
Wind Chill (°F)	30	28	26	25	25	24	23	24	25	29	30	34	38	42	47							47	44	43
Surface Wind (mph)	5	6	6	6	6	6	6	5	5	3	5	5	6	7	7	7	7	7	7	6	5	6	6	6
Wind Dir	S	S	S	S	S	S	SW	SW	SW	SW	SW	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	1	2	2	2	2	2	2	2	2	5	4	3	5	5	7	7	5	4	4	8	5	6	15	18
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	3	3	3
Relative Humidity (%)	54	53	58	66	66	69	78	78	75	72	66	62	55	45	37	35	31	31	32	38	41	48	51	55
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date			03/04
Hour (EST)	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21
Temperature (°F)	44	44	43	41	39	38	37	36	36	36	38	40	43	45	46	47	47	47	46	44	42	40	39	37
Dewpoint (°F)	31	31	32	32	31	31	31	30	30	29	29	28	28	27	27	26	25	24	23	22	22	21	20	19
Wind Chill (°F)	40	40	39	36	33	32	30	29	29	29	31	33	36	39	40	41	41	41	40	37	35	33	32	29
Surface Wind (mph)	7	7	7	8	8	9	9	9	9	9	10	11	13	14	14	14	14	14	14	14	13	13	11	11
Wind Dir	W	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
Gust													20	21	21	22	22	22	22	20	18
Sky Cover (%)	20	19	22	31	31	30	29	28	31	34	36	36	35	34	32	30	28	25	24	24	23	21	16	10
Precipitation Potential (%)	3	3	3	2	2	2	1	1	1	0	0	0	3	3	3	1	1	1	1	1	1	1	1	1
Relative Humidity (%)	60	60	65	70	73	76	79	79	79	75	70	62	55	49	47	43	42	40	40	41	44	46	46	48
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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