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Point Forecast: Tysons Corner VA  38.93N 77.25W (Elev. 115 m)	Last Update: 12:31 pm EST Jan 21, 2022

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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: 1pm Fri, Jan 21 20222pm Fri, Jan 21 20223pm Fri, Jan 21 20224pm Fri, Jan 21 20225pm Fri, Jan 21 20226pm Fri, Jan 21 20227pm Fri, Jan 21 20228pm Fri, Jan 21 20229pm Fri, Jan 21 202210pm Fri, Jan 21 202211pm Fri, Jan 21 202212am Sat, Jan 22 20221am Sat, Jan 22 20222am Sat, Jan 22 20223am Sat, Jan 22 20224am Sat, Jan 22 20225am Sat, Jan 22 20226am Sat, Jan 22 20227am Sat, Jan 22 20228am Sat, Jan 22 20229am Sat, Jan 22 202210am Sat, Jan 22 202211am Sat, Jan 22 202212pm Sat, Jan 22 20221pm Sat, Jan 22 20222pm Sat, Jan 22 20223pm Sat, Jan 22 20224pm Sat, Jan 22 20225pm Sat, Jan 22 20226pm Sat, Jan 22 20227pm Sat, Jan 22 20228pm Sat, Jan 22 20229pm Sat, Jan 22 202210pm Sat, Jan 22 202211pm Sat, Jan 22 202212am Sun, Jan 23 20221am Sun, Jan 23 20222am Sun, Jan 23 20223am Sun, Jan 23 20224am Sun, Jan 23 20225am Sun, Jan 23 20226am Sun, Jan 23 20227am Sun, Jan 23 20228am Sun, Jan 23 20229am Sun, Jan 23 202210am Sun, Jan 23 202211am Sun, Jan 23 202212pm Sun, Jan 23 20221pm Sun, Jan 23 20222pm Sun, Jan 23 20223pm Sun, Jan 23 20224pm Sun, Jan 23 20225pm Sun, Jan 23 20226pm Sun, Jan 23 20227pm Sun, Jan 23 20228pm Sun, Jan 23 20229pm Sun, Jan 23 202210pm Sun, Jan 23 202211pm Sun, Jan 23 202212am Mon, Jan 24 20221am Mon, Jan 24 20222am Mon, Jan 24 20223am Mon, Jan 24 20224am Mon, Jan 24 20225am Mon, Jan 24 20226am Mon, Jan 24 20227am Mon, Jan 24 20228am Mon, Jan 24 20229am Mon, Jan 24 202210am Mon, Jan 24 202211am Mon, Jan 24 202212pm Mon, Jan 24 20221pm Mon, Jan 24 20222pm Mon, Jan 24 20223pm Mon, Jan 24 20224pm Mon, Jan 24 20225pm Mon, Jan 24 20226pm Mon, Jan 24 20227pm Mon, Jan 24 20228pm Mon, Jan 24 20229pm Mon, Jan 24 202210pm Mon, Jan 24 202211pm Mon, Jan 24 202212am Tue, Jan 25 20221am Tue, Jan 25 20222am Tue, Jan 25 20223am Tue, Jan 25 20224am Tue, Jan 25 20225am Tue, Jan 25 20226am Tue, Jan 25 20227am Tue, Jan 25 20228am Tue, Jan 25 20229am Tue, Jan 25 202210am Tue, Jan 25 202211am Tue, Jan 25 202212pm Tue, Jan 25 20221pm Tue, Jan 25 20222pm Tue, Jan 25 20223pm Tue, Jan 25 20224pm Tue, Jan 25 20225pm Tue, Jan 25 20226pm Tue, Jan 25 20227pm Tue, Jan 25 20228pm Tue, Jan 25 20229pm Tue, Jan 25 202210pm Tue, Jan 25 202211pm Tue, Jan 25 202212am Wed, Jan 26 2022

Date	01/21											01/22
Hour (EST)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°C)	-4	-3	-3	-3	-4	-5	-4	-4	-5	-6	-6	-7	-7	-8	-8	-9	-9	-9	-9	-9	-8	-7	-5	-4
Dewpoint (°C)	-14	-14	-14	-14	-15	-15	-13	-12	-12	-12	-12	-12	-13	-13	-13	-13	-14	-14	-14	-15	-14	-14	-14	-14
Wind Chill (°C)	-9	-8	-8	-8	-9	-9	-8	-8	-9	-9	-11	-11	-11	-12	-12	-14	-14	-14	-14	-14	-13	-11	-9	-7
Surface Wind (mph)	9	9	9	9	8	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	5
Wind Dir	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	NW
Gust
Sky Cover (%)	56	67	90	83	87	85	96	94	85	79	59	47	48	39	8	8	10	10	10	8	6	9	7	7
Precipitation Potential (%)	7	7	7	7	7	7	12	12	12	12	12	12	14	14	14	14	14	14	4	4	4	4	4	4
Relative Humidity (%)	44	42	42	42	42	45	52	54	57	59	62	64	62	67	67	70	70	70	67	64	61	54	47	44
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date												01/23
Hour (EST)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°C)	-3	-2	-2	-2	-2	-3	-4	-4	-4	-4	-4	-5	-5	-6	-6	-6	-7	-7	-6	-5	-4	-2	-1	0
Dewpoint (°C)	-14	-14	-14	-14	-14	-13	-13	-13	-13	-12	-12	-12	-12	-12	-13	-13	-13	-13	-12	-12	-11	-11	-10	-10
Wind Chill (°C)	-6	-4	-4	-2	-2	-3	-4	-4	-7	-7	-7	-8	-8	-6	-6	-9	-9	-9	-9	-8	-7	-6	-4	-3
Surface Wind (mph)	5	5	3	2	2	2	2	2	3	3	3	3	3	2	2	3	3	3	5	5	5	6	6	6
Wind Dir	NW	NW	W	W	W	S	S	S	S	S	S	S	SW	SW	SW	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	5	5	8	15	30	37	44	46	50	52	48	39	35	32	25	21	30	47	55	60	69	74	71	65
Precipitation Potential (%)	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0
Relative Humidity (%)	42	39	39	39	40	46	48	52	52	54	54	57	57	59	57	59	62	62	62	59	57	53	51	47
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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