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Point Forecast: Fairfax VA  38.85N 77.29W (Elev. 400 ft)	Last Update: 3:33 am EST Jan 23, 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: 4am Thu, Jan 23 20205am Thu, Jan 23 20206am Thu, Jan 23 20207am Thu, Jan 23 20208am Thu, Jan 23 20209am Thu, Jan 23 202010am Thu, Jan 23 202011am Thu, Jan 23 202012pm Thu, Jan 23 20201pm Thu, Jan 23 20202pm Thu, Jan 23 20203pm Thu, Jan 23 20204pm Thu, Jan 23 20205pm Thu, Jan 23 20206pm Thu, Jan 23 20207pm Thu, Jan 23 20208pm Thu, Jan 23 20209pm Thu, Jan 23 202010pm Thu, Jan 23 202011pm Thu, Jan 23 202012am Fri, Jan 24 20201am Fri, Jan 24 20202am Fri, Jan 24 20203am Fri, Jan 24 20204am Fri, Jan 24 20205am Fri, Jan 24 20206am Fri, Jan 24 20207am Fri, Jan 24 20208am Fri, Jan 24 20209am Fri, Jan 24 202010am Fri, Jan 24 202011am Fri, Jan 24 202012pm Fri, Jan 24 20201pm Fri, Jan 24 20202pm Fri, Jan 24 20203pm Fri, Jan 24 20204pm Fri, Jan 24 20205pm Fri, Jan 24 20206pm Fri, Jan 24 20207pm Fri, Jan 24 20208pm Fri, Jan 24 20209pm Fri, Jan 24 202010pm Fri, Jan 24 202011pm Fri, Jan 24 202012am Sat, Jan 25 20201am Sat, Jan 25 20202am Sat, Jan 25 20203am Sat, Jan 25 20204am Sat, Jan 25 20205am Sat, Jan 25 20206am Sat, Jan 25 20207am Sat, Jan 25 20208am Sat, Jan 25 20209am Sat, Jan 25 202010am Sat, Jan 25 202011am Sat, Jan 25 202012pm Sat, Jan 25 20201pm Sat, Jan 25 20202pm Sat, Jan 25 20203pm Sat, Jan 25 20204pm Sat, Jan 25 20205pm Sat, Jan 25 20206pm Sat, Jan 25 20207pm Sat, Jan 25 20208pm Sat, Jan 25 20209pm Sat, Jan 25 202010pm Sat, Jan 25 202011pm Sat, Jan 25 202012am Sun, Jan 26 20201am Sun, Jan 26 20202am Sun, Jan 26 20203am Sun, Jan 26 20204am Sun, Jan 26 20205am 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 2020

Date	01/23																				01/24
Hour (EST)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	24	24	23	24	25	29	33	36	39	41	42	43	42	41	39	38	36	34	34	33	32	31	31	31
Dewpoint (°F)	19	19	19	19	20	21	22	22	22	23	23	24	25	25	26	27	27	27	27	27	28	28	28	29
Wind Chill (°F)	24	24	23	24	25	29	33	36	37	39	40	41	40	41	39	38	36	34	34	33	32	31	31	31
Surface Wind (mph)	1	1	2	2	2	2	1	2	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2
Wind Dir	SE	E	E	E	E	SE	SE	SE	SE	SE	S	SE	SE	SE	SE	SE	SE	E	E	E	E	E	E	NE
Gust
Sky Cover (%)	30	41	38	27	27	28	28	34	46	52	56	63	67	68	69	69	69	69	69	69	70	70	71	72
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	81	81	84	81	81	72	63	56	50	48	46	47	50	52	59	64	69	75	75	78	85	88	88	92
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																					01/25
Hour (EST)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	31	31	31	31	33	34	36	38	40	42	44	46	48	48	48	47	46	45	45	45	45	46	46	47
Dewpoint (°F)	29	29	29	30	31	33	34	35	37	38	39	39	39	39	39	39	39	39	40	41	42	43	44	45
Wind Chill (°F)	31	31	31	31	30	31	32	34	36	38	40	42	44	44	44	43	41	39	39	39	39	41	41	41
Surface Wind (mph)	2	2	2	2	3	3	5	5	6	6	7	7	8	8	8	9	10	13	14	13	11	10	11	13
Wind Dir	NE	NE	NE	NE	NE	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E
Gust																			18	18
Sky Cover (%)	72	73	74	75	77	80	82	82	81	80	82	85	87	88	90	91	93	97	99	99	98	98	99	100
Precipitation Potential (%)	0	0	0	4	4	4	7	7	7	27	27	27	27	27	27	89	89	89	89	89	89	97	97	97
Relative Humidity (%)	92	92	92	96	92	96	92	89	89	86	82	76	71	71	71	74	76	79	82	86	89	89	93	93
Rain	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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