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Point Forecast: Mc Lean VA  38.95N 77.19W (Elev. 253 ft)	Last Update: 10:34 pm EDT Oct 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: 12am Sat, Oct 24 20201am Sat, Oct 24 20202am Sat, Oct 24 20203am Sat, Oct 24 20204am Sat, Oct 24 20205am Sat, Oct 24 20206am Sat, Oct 24 20207am Sat, Oct 24 20208am Sat, Oct 24 20209am Sat, Oct 24 202010am Sat, Oct 24 202011am Sat, Oct 24 202012pm Sat, Oct 24 20201pm Sat, Oct 24 20202pm Sat, Oct 24 20203pm Sat, Oct 24 20204pm Sat, Oct 24 20205pm Sat, Oct 24 20206pm Sat, Oct 24 20207pm Sat, Oct 24 20208pm Sat, Oct 24 20209pm Sat, Oct 24 202010pm Sat, Oct 24 202011pm Sat, Oct 24 202012am Sun, Oct 25 20201am Sun, Oct 25 20202am Sun, Oct 25 20203am Sun, Oct 25 20204am Sun, Oct 25 20205am Sun, Oct 25 20206am Sun, Oct 25 20207am Sun, Oct 25 20208am Sun, Oct 25 20209am Sun, Oct 25 202010am Sun, Oct 25 202011am Sun, Oct 25 202012pm Sun, Oct 25 20201pm Sun, Oct 25 20202pm Sun, Oct 25 20203pm Sun, Oct 25 20204pm Sun, Oct 25 20205pm Sun, Oct 25 20206pm Sun, Oct 25 20207pm Sun, Oct 25 20208pm Sun, Oct 25 20209pm Sun, Oct 25 202010pm Sun, Oct 25 202011pm Sun, Oct 25 202012am Mon, Oct 26 20201am Mon, Oct 26 20202am Mon, Oct 26 20203am Mon, Oct 26 20204am Mon, Oct 26 20205am Mon, Oct 26 20206am Mon, Oct 26 20207am Mon, Oct 26 20208am Mon, Oct 26 20209am Mon, Oct 26 202010am Mon, Oct 26 202011am Mon, Oct 26 202012pm Mon, Oct 26 20201pm Mon, Oct 26 20202pm Mon, Oct 26 20203pm Mon, Oct 26 20204pm Mon, Oct 26 20205pm Mon, Oct 26 20206pm Mon, Oct 26 20207pm Mon, Oct 26 20208pm Mon, Oct 26 20209pm Mon, Oct 26 202010pm Mon, Oct 26 202011pm Mon, Oct 26 202012am Tue, Oct 27 20201am Tue, Oct 27 20202am Tue, Oct 27 20203am Tue, Oct 27 20204am Tue, Oct 27 20205am Tue, Oct 27 20206am Tue, Oct 27 20207am Tue, Oct 27 20208am Tue, Oct 27 20209am Tue, Oct 27 202010am Tue, Oct 27 202011am Tue, Oct 27 202012pm Tue, Oct 27 20201pm Tue, Oct 27 20202pm Tue, Oct 27 20203pm Tue, Oct 27 20204pm Tue, Oct 27 20205pm Tue, Oct 27 20206pm Tue, Oct 27 20207pm Tue, Oct 27 20208pm Tue, Oct 27 20209pm Tue, Oct 27 202010pm Tue, Oct 27 202011pm Tue, Oct 27 202012am Wed, Oct 28 20201am Wed, Oct 28 20202am Wed, Oct 28 20203am Wed, Oct 28 20204am Wed, Oct 28 20205am Wed, Oct 28 20206am Wed, Oct 28 20207am Wed, Oct 28 20208am Wed, Oct 28 20209am Wed, Oct 28 202010am Wed, Oct 28 202011am Wed, Oct 28 2020

Date	10/24
Hour (EDT)	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Temperature (°F)	63	63	62	62	61	61	60	60	61	64	68	72	74	73	73	72	72	70	67	65	62	60	59	57
Dewpoint (°F)	60	61	61	61	60	61	60	60	61	62	63	63	63	62	61	60	58	57	55	54	53	51	48	47
Wind Chill (°F)
Surface Wind (mph)	5	5	6	6	6	5	5	5	3	3	3	5	6	7	8	8	8	10	10	10	10	10	9	9
Wind Dir	S	S	S	S	S	S	S	SW	SW	SW	W	W	NW	NW	NW	NW	NW	NW	N	N	N	N	N	N
Gust
Sky Cover (%)	24	33	37	36	42	45	47	58	62	59	53	53	58	52	56	48	46	47	57	57	59	62	65	60
Precipitation Potential (%)	0	0	3	3	3	3	3	3	15	15	15	15	15	15	19	19	19	19	19	19	10	10	10	10
Relative Humidity (%)	90	93	97	97	97	100	100	100	100	93	84	73	69	68	66	66	61	63	65	68	72	72	67	69
Rain	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date	10/25
Hour (EDT)	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Temperature (°F)	56	55	53	53	52	50	49	48	48	48	49	50	50	51	51	51	51	51	50	50	49	49	50	50
Dewpoint (°F)	45	44	43	43	42	40	39	40	40	41	41	42	42	41	41	41	42	43	44	44	45	46	46	47
Wind Chill (°F)						46	45	44	44	44	46	47	47						48	48	47	47	48	48
Surface Wind (mph)	9	8	8	8	9	9	9	8	8	8	7	7	7	7	7	7	6	6	6	5	5	5	5	5
Wind Dir	N	N	N	N	N	N	N	N	N	N	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE
Gust
Sky Cover (%)	69	77	80	85	85	87	88	90	91	92	93	94	93	90	89	90	91	92	91	89	88	88	89	89
Precipitation Potential (%)	10	10	4	4	4	4	4	4	33	33	33	33	33	33	43	43	43	43	43	43	24	24	24	24
Relative Humidity (%)	66	66	69	69	69	68	68	74	74	77	74	74	74	68	68	68	71	74	80	80	86	89	86	89
Rain	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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