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Point Forecast: Fairfax VA  38.85N 77.29W (Elev. 400 ft)	Last Update: 3:34 am EST Jan 26, 2020

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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: 5am Sun, Jan 26 20206am Sun, Jan 26 20207am Sun, Jan 26 20208am Sun, Jan 26 20209am Sun, Jan 26 202010am Sun, Jan 26 202011am Sun, Jan 26 202012pm Sun, Jan 26 20201pm Sun, Jan 26 20202pm Sun, Jan 26 20203pm Sun, Jan 26 20204pm Sun, Jan 26 20205pm Sun, Jan 26 20206pm Sun, Jan 26 20207pm Sun, Jan 26 20208pm Sun, Jan 26 20209pm Sun, Jan 26 202010pm Sun, Jan 26 202011pm Sun, Jan 26 202012am Mon, Jan 27 20201am Mon, Jan 27 20202am Mon, Jan 27 20203am Mon, Jan 27 20204am Mon, Jan 27 20205am Mon, Jan 27 20206am Mon, Jan 27 20207am Mon, Jan 27 20208am Mon, Jan 27 20209am Mon, Jan 27 202010am Mon, Jan 27 202011am Mon, Jan 27 202012pm Mon, Jan 27 20201pm Mon, Jan 27 20202pm Mon, Jan 27 20203pm Mon, Jan 27 20204pm Mon, Jan 27 20205pm Mon, Jan 27 20206pm Mon, Jan 27 20207pm Mon, Jan 27 20208pm Mon, Jan 27 20209pm Mon, Jan 27 202010pm Mon, Jan 27 202011pm Mon, Jan 27 202012am Tue, Jan 28 20201am Tue, Jan 28 20202am Tue, Jan 28 20203am Tue, Jan 28 20204am Tue, Jan 28 20205am Tue, Jan 28 20206am Tue, Jan 28 20207am Tue, Jan 28 20208am Tue, Jan 28 20209am Tue, Jan 28 202010am Tue, Jan 28 202011am Tue, Jan 28 202012pm Tue, Jan 28 20201pm Tue, Jan 28 20202pm Tue, Jan 28 20203pm Tue, Jan 28 20204pm Tue, Jan 28 20205pm Tue, Jan 28 20206pm Tue, Jan 28 20207pm Tue, Jan 28 20208pm Tue, Jan 28 20209pm Tue, Jan 28 202010pm Tue, Jan 28 202011pm Tue, Jan 28 202012am Wed, Jan 29 20201am Wed, Jan 29 20202am Wed, Jan 29 20203am Wed, Jan 29 20204am Wed, Jan 29 20205am Wed, Jan 29 20206am Wed, Jan 29 20207am Wed, Jan 29 20208am Wed, Jan 29 20209am Wed, Jan 29 202010am Wed, Jan 29 202011am Wed, Jan 29 202012pm Wed, Jan 29 20201pm Wed, Jan 29 20202pm Wed, Jan 29 20203pm Wed, Jan 29 20204pm Wed, Jan 29 20205pm Wed, Jan 29 20206pm Wed, Jan 29 20207pm Wed, Jan 29 20208pm Wed, Jan 29 20209pm Wed, Jan 29 202010pm Wed, Jan 29 202011pm Wed, Jan 29 202012am Thu, Jan 30 20201am Thu, Jan 30 20202am Thu, Jan 30 20203am Thu, Jan 30 20204am Thu, Jan 30 20205am Thu, Jan 30 20206am Thu, Jan 30 20207am Thu, Jan 30 20208am Thu, Jan 30 20209am Thu, Jan 30 202010am Thu, Jan 30 202011am Thu, Jan 30 202012pm Thu, Jan 30 20201pm Thu, Jan 30 20202pm Thu, Jan 30 20203pm Thu, Jan 30 20204pm Thu, Jan 30 2020

Date	01/26																			01/27
Hour (EST)	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 (°F)	33	34	35	36	38	40	42	43	44	45	45	44	42	42	40	38	37	36	35	34	34	33	33	33
Dewpoint (°F)	28	28	29	29	30	30	30	30	30	30	29	29	29	29	29	29	28	28	28	28	28	28	28	28
Wind Chill (°F)	29	29	30	30	33	35	36	37	38	40	40	39	37	37	35	33	32	30	30	29	30	29	28	28
Surface Wind (mph)	5	6	6	7	7	8	9	10	10	10	10	9	8	8	7	7	7	7	6	6	5	5	6	6
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	SW	SW
Gust
Sky Cover (%)	42	45	47	47	47	47	47	52	57	61	66	61	56	52	47	45	43	42	40	39	39	41	44	45
Precipitation Potential (%)	2	2	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2	2
Relative Humidity (%)	82	78	78	75	73	67	62	60	57	55	53	55	60	60	64	70	70	72	75	78	78	82	82	82
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																				01/28
Hour (EST)	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 (°F)	32	32	33	34	37	40	42	44	46	47	48	47	45	43	41	39	38	37	36	35	34	34	34	33
Dewpoint (°F)	28	28	28	29	29	30	30	31	31	31	31	31	31	30	30	29	29	28	28	28	28	28	27	27
Wind Chill (°F)	26	27	29	30	32	35	38	39	42	43	44	43	40	38	36	33	32	30	30	28	28	27	27	25
Surface Wind (mph)	6	5	5	5	6	7	7	8	8	8	9	9	9	8	8	8	9	9	8	8	7	8	8	9
Wind Dir	SW	SW	W	W	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	47	50	51	50	48	47	49	52	54	58	65	69	67	62	59	58	55	54	52	48	46	43	37	34
Precipitation Potential (%)	2	2	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2
Relative Humidity (%)	85	85	82	82	72	67	62	60	55	53	51	53	58	60	65	67	70	70	72	75	78	78	75	78
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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