Point Forecast: Mount Vernon VA  38.72N 77.11W (Elev. 11 m)	Last Update: 9:30 pm EST Dec 4, 2024

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Weather Elements Fire Weather Aviation Weather Temperature (°C) Dewpoint (°C) Wind Chill (°C) 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-m) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Ceiling Height Visibility

48-Hour Period Starting: 11pm Wed, Dec 4 202412am Thu, Dec 5 20241am Thu, Dec 5 20242am Thu, Dec 5 20243am Thu, Dec 5 20244am Thu, Dec 5 20245am Thu, Dec 5 20246am Thu, Dec 5 20247am Thu, Dec 5 20248am Thu, Dec 5 20249am Thu, Dec 5 202410am Thu, Dec 5 202411am Thu, Dec 5 202412pm Thu, Dec 5 20241pm Thu, Dec 5 20242pm Thu, Dec 5 20243pm Thu, Dec 5 20244pm Thu, Dec 5 20245pm Thu, Dec 5 20246pm Thu, Dec 5 20247pm Thu, Dec 5 20248pm Thu, Dec 5 20249pm Thu, Dec 5 202410pm Thu, Dec 5 202411pm Thu, Dec 5 202412am Fri, Dec 6 20241am Fri, Dec 6 20242am Fri, Dec 6 20243am Fri, Dec 6 20244am Fri, Dec 6 20245am Fri, Dec 6 20246am Fri, Dec 6 20247am Fri, Dec 6 20248am Fri, Dec 6 20249am Fri, Dec 6 202410am Fri, Dec 6 202411am Fri, Dec 6 202412pm Fri, Dec 6 20241pm Fri, Dec 6 20242pm Fri, Dec 6 20243pm Fri, Dec 6 20244pm Fri, Dec 6 20245pm Fri, Dec 6 20246pm Fri, Dec 6 20247pm Fri, Dec 6 20248pm Fri, Dec 6 20249pm Fri, Dec 6 202410pm Fri, Dec 6 202411pm Fri, Dec 6 202412am Sat, Dec 7 20241am Sat, Dec 7 20242am Sat, Dec 7 20243am Sat, Dec 7 20244am Sat, Dec 7 20245am Sat, Dec 7 20246am Sat, Dec 7 20247am Sat, Dec 7 20248am Sat, Dec 7 20249am Sat, Dec 7 202410am Sat, Dec 7 202411am Sat, Dec 7 202412pm Sat, Dec 7 20241pm Sat, Dec 7 20242pm Sat, Dec 7 20243pm Sat, Dec 7 20244pm Sat, Dec 7 20245pm Sat, Dec 7 20246pm Sat, Dec 7 20247pm Sat, Dec 7 20248pm Sat, Dec 7 20249pm Sat, Dec 7 202410pm Sat, Dec 7 202411pm Sat, Dec 7 202412am Sun, Dec 8 20241am Sun, Dec 8 20242am Sun, Dec 8 20243am Sun, Dec 8 20244am Sun, Dec 8 20245am Sun, Dec 8 20246am Sun, Dec 8 20247am Sun, Dec 8 20248am Sun, Dec 8 20249am Sun, Dec 8 202410am Sun, Dec 8 202411am Sun, Dec 8 202412pm Sun, Dec 8 20241pm Sun, Dec 8 20242pm Sun, Dec 8 20243pm Sun, Dec 8 20244pm Sun, Dec 8 20245pm Sun, Dec 8 20246pm Sun, Dec 8 20247pm Sun, Dec 8 20248pm Sun, Dec 8 20249pm Sun, Dec 8 202410pm Sun, Dec 8 202411pm Sun, Dec 8 202412am Mon, Dec 9 20241am Mon, Dec 9 20242am Mon, Dec 9 20243am Mon, Dec 9 20244am Mon, Dec 9 20245am Mon, Dec 9 20246am Mon, Dec 9 20247am Mon, Dec 9 20248am Mon, Dec 9 20249am Mon, Dec 9 202410am Mon, Dec 9 2024

Date	12/04	12/05
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 (°C)	5	6	5	5	5	5	5	4	4	3	2	2	2	1	1	1	1	1	0	-1	-1	-2	-2	-2
Dewpoint (°C)	-6	-5	-5	-4	-4	-4	-3	-2	-2	-4	-9	-11	-12	-13	-13	-13	-13	-13	-13	-12	-12	-12	-12	-11
Wind Chill (°C)	1	1	1	1	1	1	1	0	-1	-3	-5	-5	-4	-6	-6	-5	-4	-6	-6	-6	-7	-8	-7	-7
Surface Wind (mph)	16	15	15	15	15	15	15	14	17	21	22	22	21	21	21	18	16	16	15	14	14	14	13	13
Wind Dir	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust								30	32	38	44	47	46	41	37	33	30
Sky Cover (%)	91	83	63	45	52	56	61	68	82	57	44	41	36	26	24	19	8	9	5	3	3	2	2	4
Precipitation Potential (%)	4	12	8	8	8	22	38	38	32	29	24	20	15	9	4	3	1	0	0	0	0	0	0	0
Relative Humidity (%)	46	46	48	50	52	52	55	62	64	59	43	38	35	35	33	33	33	34	37	41	42	46	46	48
Rain	--	--	--	--	--	SChc	Chc	Chc	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	SChc	SChc	SChc	SChc	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date		12/06
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 (°C)	-2	-2	-2	-2	-2	-2	-2	-2	-2	-1	0	1	2	2	3	3	3	3	2	1	0	-1	-2	-2
Dewpoint (°C)	-11	-10	-10	-9	-9	-9	-9	-9	-9	-9	-8	-8	-8	-9	-9	-10	-10	-10	-10	-9	-9	-9	-9	-9
Wind Chill (°C)	-7	-7	-8	-8	-7	-7	-8	-8	-8	-7	-5	-4	-3	-2	-2	-1	-1	-1	-2	-2	-3	-4	-4	-5
Surface Wind (mph)	13	13	14	14	13	13	13	11	11	11	13	13	13	11	11	11	11	10	9	7	6	5	5	5
Wind Dir	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	W	W
Gust
Sky Cover (%)	2	1	3	1	2	3	2	3	7	10	14	17	20	22	25	23	22	20	16	12	8	8	8	8
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 (%)	51	53	53	55	55	55	58	58	58	55	53	49	47	43	40	37	37	38	40	45	49	53	58	60
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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