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Point Forecast: Mc Lean VA  38.95N 77.19W (Elev. 77 m)	Last Update: 1:34 am EDT Apr 12, 2021

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Weather Elements Weather/Precipitation Fire Weather Temperature (°C) Dewpoint (°C) Wind Chill (°C) 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-m) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index

48-Hour Period Starting: 3am Mon, Apr 12 20214am Mon, Apr 12 20215am Mon, Apr 12 20216am Mon, Apr 12 20217am Mon, Apr 12 20218am Mon, Apr 12 20219am Mon, Apr 12 202110am Mon, Apr 12 202111am Mon, Apr 12 202112pm Mon, Apr 12 20211pm Mon, Apr 12 20212pm Mon, Apr 12 20213pm Mon, Apr 12 20214pm Mon, Apr 12 20215pm Mon, Apr 12 20216pm Mon, Apr 12 20217pm Mon, Apr 12 20218pm Mon, Apr 12 20219pm Mon, Apr 12 202110pm Mon, Apr 12 202111pm Mon, Apr 12 202112am Tue, Apr 13 20211am Tue, Apr 13 20212am Tue, Apr 13 20213am Tue, Apr 13 20214am Tue, Apr 13 20215am Tue, Apr 13 20216am Tue, Apr 13 20217am Tue, Apr 13 20218am Tue, Apr 13 20219am Tue, Apr 13 202110am Tue, Apr 13 202111am Tue, Apr 13 202112pm Tue, Apr 13 20211pm Tue, Apr 13 20212pm Tue, Apr 13 20213pm Tue, Apr 13 20214pm Tue, Apr 13 20215pm Tue, Apr 13 20216pm Tue, Apr 13 20217pm Tue, Apr 13 20218pm Tue, Apr 13 20219pm Tue, Apr 13 202110pm Tue, Apr 13 202111pm Tue, Apr 13 202112am Wed, Apr 14 20211am Wed, Apr 14 20212am Wed, Apr 14 20213am Wed, Apr 14 20214am Wed, Apr 14 20215am Wed, Apr 14 20216am Wed, Apr 14 20217am Wed, Apr 14 20218am Wed, Apr 14 20219am Wed, Apr 14 202110am Wed, Apr 14 202111am Wed, Apr 14 202112pm Wed, Apr 14 20211pm Wed, Apr 14 20212pm Wed, Apr 14 20213pm Wed, Apr 14 20214pm Wed, Apr 14 20215pm Wed, Apr 14 20216pm Wed, Apr 14 20217pm Wed, Apr 14 20218pm Wed, Apr 14 20219pm Wed, Apr 14 202110pm Wed, Apr 14 202111pm Wed, Apr 14 202112am Thu, Apr 15 20211am Thu, Apr 15 20212am Thu, Apr 15 20213am Thu, Apr 15 20214am Thu, Apr 15 20215am Thu, Apr 15 20216am Thu, Apr 15 20217am Thu, Apr 15 20218am Thu, Apr 15 20219am Thu, Apr 15 202110am Thu, Apr 15 202111am Thu, Apr 15 202112pm Thu, Apr 15 20211pm Thu, Apr 15 20212pm Thu, Apr 15 20213pm Thu, Apr 15 20214pm Thu, Apr 15 20215pm Thu, Apr 15 20216pm Thu, Apr 15 20217pm Thu, Apr 15 20218pm Thu, Apr 15 20219pm Thu, Apr 15 202110pm Thu, Apr 15 202111pm Thu, Apr 15 202112am Fri, Apr 16 20211am Fri, Apr 16 20212am Fri, Apr 16 20213am Fri, Apr 16 20214am Fri, Apr 16 20215am Fri, Apr 16 20216am Fri, Apr 16 20217am Fri, Apr 16 20218am Fri, Apr 16 20219am Fri, Apr 16 202110am Fri, Apr 16 202111am Fri, Apr 16 202112pm Fri, Apr 16 20211pm Fri, Apr 16 20212pm Fri, Apr 16 2021

Date	04/12																					04/13
Hour (EDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°C)	14	13	12	12	12	13	15	16	17	17	17	17	18	17	17	16	16	14	13	13	12	11	11	11
Dewpoint (°C)	10	9	9	9	9	11	11	10	9	9	9	9	9	8	9	9	8	9	8	8	8	8	7	7
Wind Chill (°C)
Surface Wind (mph)	3	5	3	2	2	2	3	3	5	5	6	6	6	6	6	6	7	7	7	6	6	6	5	5
Wind Dir	N	NW	NW	N	NE	N	N	N	N	N	N	NW	N	N	N	N	NE	NE	NE	NE	E	E	NE	NE
Gust
Sky Cover (%)	43	45	45	49	55	62	57	66	76	82	91	91	89	87	87	79	78	80	83	88	90	89	86	85
Precipitation Potential (%)	6	6	6	6	6	12	12	12	12	12	12	38	38	38	38	38	38	32	32	32	32	32	32	10
Relative Humidity (%)	77	77	83	83	83	83	75	67	62	58	58	58	56	56	58	62	62	69	72	74	74	80	80	80
Rain	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																						04/14
Hour (EDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°C)	10	10	10	9	9	10	11	12	13	14	15	16	17	17	18	17	17	16	15	14	13	13	12	12
Dewpoint (°C)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8
Wind Chill (°C)	9	9	9	8	8	9
Surface Wind (mph)	5	5	5	5	5	5	5	5	5	5	5	5	5	6	6	6	5	5	5	3	3	3	3	3
Wind Dir	NE	NE	NE	NE	NE	NE	NE	N	N	N	N	N	N	N	N	N	E	E	E	SE	SE	SE	S	S
Gust
Sky Cover (%)	87	90	91	88	82	79	79	78	78	75	68	65	60	49	43	42	39	37	35	31	29	31	36	38
Precipitation Potential (%)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	14	14	14	14	14	14	14
Relative Humidity (%)	83	83	83	83	83	83	77	71	66	64	60	58	54	52	50	52	56	60	62	67	69	72	74	77
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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