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Point Forecast: Sterling VA  38.99N 77.41W (Elev. 325 ft)	Last Update: 9:32 pm EST Feb 22, 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: 11pm Sat, Feb 22 202012am Sun, Feb 23 20201am Sun, Feb 23 20202am Sun, Feb 23 20203am Sun, Feb 23 20204am Sun, Feb 23 20205am Sun, Feb 23 20206am Sun, Feb 23 20207am Sun, Feb 23 20208am Sun, Feb 23 20209am Sun, Feb 23 202010am Sun, Feb 23 202011am Sun, Feb 23 202012pm Sun, Feb 23 20201pm Sun, Feb 23 20202pm Sun, Feb 23 20203pm Sun, Feb 23 20204pm Sun, Feb 23 20205pm Sun, Feb 23 20206pm Sun, Feb 23 20207pm Sun, Feb 23 20208pm Sun, Feb 23 20209pm Sun, Feb 23 202010pm Sun, Feb 23 202011pm Sun, Feb 23 202012am Mon, Feb 24 20201am Mon, Feb 24 20202am Mon, Feb 24 20203am Mon, Feb 24 20204am Mon, Feb 24 20205am Mon, Feb 24 20206am Mon, Feb 24 20207am Mon, Feb 24 20208am Mon, Feb 24 20209am Mon, Feb 24 202010am Mon, Feb 24 202011am Mon, Feb 24 202012pm Mon, Feb 24 20201pm Mon, Feb 24 20202pm Mon, Feb 24 20203pm Mon, Feb 24 20204pm Mon, Feb 24 20205pm Mon, Feb 24 20206pm Mon, Feb 24 20207pm Mon, Feb 24 20208pm Mon, Feb 24 20209pm Mon, Feb 24 202010pm Mon, Feb 24 202011pm Mon, Feb 24 202012am Tue, Feb 25 20201am Tue, Feb 25 20202am Tue, Feb 25 20203am Tue, Feb 25 20204am Tue, Feb 25 20205am Tue, Feb 25 20206am Tue, Feb 25 20207am Tue, Feb 25 20208am Tue, Feb 25 20209am Tue, Feb 25 202010am Tue, Feb 25 202011am Tue, Feb 25 202012pm Tue, Feb 25 20201pm Tue, Feb 25 20202pm Tue, Feb 25 20203pm Tue, Feb 25 20204pm Tue, Feb 25 20205pm Tue, Feb 25 20206pm Tue, Feb 25 20207pm Tue, Feb 25 20208pm Tue, Feb 25 20209pm Tue, Feb 25 202010pm Tue, Feb 25 202011pm Tue, Feb 25 202012am Wed, Feb 26 20201am Wed, Feb 26 20202am Wed, Feb 26 20203am Wed, Feb 26 20204am Wed, Feb 26 20205am Wed, Feb 26 20206am Wed, Feb 26 20207am Wed, Feb 26 20208am Wed, Feb 26 20209am Wed, Feb 26 202010am Wed, Feb 26 202011am Wed, Feb 26 202012pm Wed, Feb 26 20201pm Wed, Feb 26 20202pm Wed, Feb 26 20203pm Wed, Feb 26 20204pm Wed, Feb 26 20205pm Wed, Feb 26 20206pm Wed, Feb 26 20207pm Wed, Feb 26 20208pm Wed, Feb 26 20209pm Wed, Feb 26 202010pm Wed, Feb 26 202011pm Wed, Feb 26 202012am Thu, Feb 27 20201am Thu, Feb 27 20202am Thu, Feb 27 20203am Thu, Feb 27 20204am Thu, Feb 27 20205am Thu, Feb 27 20206am Thu, Feb 27 20207am Thu, Feb 27 20208am Thu, Feb 27 20209am Thu, Feb 27 202010am Thu, Feb 27 2020

Date	02/22	02/23
Hour (EST)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	35	34	32	30	29	27	25	23	27	31	36	42	46	49	52	53	54	54	52	48	46	44	42	41
Dewpoint (°F)	16	14	14	15	14	14	15	15	15	14	12	12	12	13	15	16	18	19	20	21	23	24	25	26
Wind Chill (°F)	35	34	32	30	29	27	25	23	27	31	36	42	45	47						45	43	41	38	37
Surface Wind (mph)	2	1	1	1	2	1	1	1	1	2	1	2	3	5	6	7	8	8	8	7	6	6	6	6
Wind Dir	W	N	NW	N	N	N	N	N	W	S	SE	S	S	S	S	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	1	1	1	1	1	1	1	1	1	1	2	2	3	5	6	12	18	24	24	24	25	25	26	27
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 (%)	45	43	47	53	53	57	65	71	60	49	36	29	25	23	23	23	24	25	28	34	40	45	50	55
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date		02/24
Hour (EST)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	40	39	38	37	36	35	34	34	34	37	42	46	50	53	55	56	57	56	54	52	50	48	47	46
Dewpoint (°F)	27	29	30	29	29	29	29	28	28	29	31	32	33	34	34	34	34	34	34	35	36	37	38	39
Wind Chill (°F)	37	37	38	37	36	35	34	34	34	37	42	45	49								48	46	44	43
Surface Wind (mph)	5	3	2	2	2	2	2	1	1	2	2	3	3	3	3	5	6	7	7	6	5	5	6	6
Wind Dir	S	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	S	S	S	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	32	36	41	43	45	46	51	56	61	60	59	59	63	67	71	74	76	79	82	84	87	88	89	89
Precipitation Potential (%)	0	0	1	1	1	1	1	1	9	9	9	9	9	9	26	26	26	26	26	26	14	14	14	44
Relative Humidity (%)	59	67	73	72	75	78	82	78	78	72	65	58	52	48	45	43	42	43	46	52	58	65	71	76
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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