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Point Forecast: 3 Miles SE Mount Vernon VA  38.69N 77.06W (Elev. 144 ft)	Last Update: 4:32 am EDT Sep 18, 2020

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Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder 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: 6am Fri, Sep 18 20207am Fri, Sep 18 20208am Fri, Sep 18 20209am Fri, Sep 18 202010am Fri, Sep 18 202011am Fri, Sep 18 202012pm Fri, Sep 18 20201pm Fri, Sep 18 20202pm Fri, Sep 18 20203pm Fri, Sep 18 20204pm Fri, Sep 18 20205pm Fri, Sep 18 20206pm Fri, Sep 18 20207pm Fri, Sep 18 20208pm Fri, Sep 18 20209pm Fri, Sep 18 202010pm Fri, Sep 18 202011pm Fri, Sep 18 202012am Sat, Sep 19 20201am Sat, Sep 19 20202am Sat, Sep 19 20203am Sat, Sep 19 20204am Sat, Sep 19 20205am Sat, Sep 19 20206am Sat, Sep 19 20207am Sat, Sep 19 20208am Sat, Sep 19 20209am Sat, Sep 19 202010am Sat, Sep 19 202011am Sat, Sep 19 202012pm Sat, Sep 19 20201pm Sat, Sep 19 20202pm Sat, Sep 19 20203pm Sat, Sep 19 20204pm Sat, Sep 19 20205pm Sat, Sep 19 20206pm Sat, Sep 19 20207pm Sat, Sep 19 20208pm Sat, Sep 19 20209pm Sat, Sep 19 202010pm Sat, Sep 19 202011pm Sat, Sep 19 202012am Sun, Sep 20 20201am Sun, Sep 20 20202am Sun, Sep 20 20203am Sun, Sep 20 20204am Sun, Sep 20 20205am Sun, Sep 20 20206am Sun, Sep 20 20207am Sun, Sep 20 20208am Sun, Sep 20 20209am Sun, Sep 20 202010am Sun, Sep 20 202011am Sun, Sep 20 202012pm Sun, Sep 20 20201pm Sun, Sep 20 20202pm Sun, Sep 20 20203pm Sun, Sep 20 20204pm Sun, Sep 20 20205pm Sun, Sep 20 20206pm Sun, Sep 20 20207pm Sun, Sep 20 20208pm Sun, Sep 20 20209pm Sun, Sep 20 202010pm Sun, Sep 20 202011pm Sun, Sep 20 202012am Mon, Sep 21 20201am Mon, Sep 21 20202am Mon, Sep 21 20203am Mon, Sep 21 20204am Mon, Sep 21 20205am Mon, Sep 21 20206am Mon, Sep 21 20207am Mon, Sep 21 20208am Mon, Sep 21 20209am Mon, Sep 21 202010am Mon, Sep 21 202011am Mon, Sep 21 202012pm Mon, Sep 21 20201pm Mon, Sep 21 20202pm Mon, Sep 21 20203pm Mon, Sep 21 20204pm Mon, Sep 21 20205pm Mon, Sep 21 20206pm Mon, Sep 21 20207pm Mon, Sep 21 20208pm Mon, Sep 21 20209pm Mon, Sep 21 202010pm Mon, Sep 21 202011pm Mon, Sep 21 202012am Tue, Sep 22 20201am Tue, Sep 22 20202am Tue, Sep 22 20203am Tue, Sep 22 20204am Tue, Sep 22 20205am Tue, Sep 22 20206am Tue, Sep 22 20207am Tue, Sep 22 20208am Tue, Sep 22 20209am Tue, Sep 22 202010am Tue, Sep 22 202011am Tue, Sep 22 202012pm Tue, Sep 22 20201pm Tue, Sep 22 20202pm Tue, Sep 22 20203pm Tue, Sep 22 20204pm Tue, Sep 22 20205pm Tue, Sep 22 2020

Date	09/18																		09/19
Hour (EDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	64	63	66	66	68	70	71	73	73	73	73	73	71	68	66	64	62	60	58	57	54	53	52	51
Dewpoint (°F)	64	63	64	64	63	63	61	61	60	59	57	55	52	51	50	46	44	42	40	39	38	37	37	37
Heat Index (°F)
Surface Wind (mph)	8	8	9	10	10	11	11	13	13	13	13	13	13	13	13	13	11	11	11	10	10	10	9	9
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	N
Gust						18	20	20	20	20	20	20	18
Sky Cover (%)	91	89	86	83	76	73	71	66	64	61	54	51	48	41	37	37	36	35	30	19	13	13	13	13
Precipitation Potential (%)	64	56	52	52	52	29	29	29	23	23	23	19	19	19	7	7	7	7	7	7	5	5	5	5
Relative Humidity (%)	100	100	93	93	84	78	71	66	64	62	57	53	51	54	56	52	52	51	51	51	54	54	56	59
Rain	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																			09/20
Hour (EDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	50	50	50	52	56	59	61	62	63	64	65	65	63	60	57	56	55	54	53	52	51	50	49	49
Dewpoint (°F)	37	37	38	39	39	39	39	40	40	40	40	40	41	41	42	42	43	43	43	43	43	43	42	42
Heat Index (°F)
Surface Wind (mph)	9	9	9	9	9	9	9	9	9	9	8	8	7	7	6	6	5	5	3	3	3	5	6	7
Wind Dir	N	N	N	N	N	N	N	N	N	N	NE	NE	NE	NE	NE	NE	NE	NE	NE	N	N	N	N	N
Gust
Sky Cover (%)	14	15	16	16	15	14	13	12	11	11	11	11	11	10	9	9	8	7	9	12	13	11	7	5
Precipitation Potential (%)	5	5	7	7	7	7	7	7	7	7	7	7	7	7	5	5	5	5	5	5	5	5	5	5
Relative Humidity (%)	61	61	63	61	53	47	44	44	43	41	40	40	44	49	57	59	64	66	69	71	74	77	77	77
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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