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Point Forecast: Silver Spring MD  39.02N 77.03W (Elev. 308 ft)	Last Update: 6:33 pm EST Jan 21, 2019

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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)

48-Hour Period Starting: 7pm Mon, Jan 21 20198pm Mon, Jan 21 20199pm Mon, Jan 21 201910pm Mon, Jan 21 201911pm Mon, Jan 21 201912am Tue, Jan 22 20191am Tue, Jan 22 20192am Tue, Jan 22 20193am Tue, Jan 22 20194am Tue, Jan 22 20195am Tue, Jan 22 20196am Tue, Jan 22 20197am Tue, Jan 22 20198am Tue, Jan 22 20199am Tue, Jan 22 201910am Tue, Jan 22 201911am Tue, Jan 22 201912pm Tue, Jan 22 20191pm Tue, Jan 22 20192pm Tue, Jan 22 20193pm Tue, Jan 22 20194pm Tue, Jan 22 20195pm Tue, Jan 22 20196pm Tue, Jan 22 20197pm Tue, Jan 22 20198pm Tue, Jan 22 20199pm Tue, Jan 22 201910pm Tue, Jan 22 201911pm Tue, Jan 22 201912am Wed, Jan 23 20191am Wed, Jan 23 20192am Wed, Jan 23 20193am Wed, Jan 23 20194am Wed, Jan 23 20195am Wed, Jan 23 20196am Wed, Jan 23 20197am Wed, Jan 23 20198am Wed, Jan 23 20199am Wed, Jan 23 201910am Wed, Jan 23 201911am Wed, Jan 23 201912pm Wed, Jan 23 20191pm Wed, Jan 23 20192pm Wed, Jan 23 20193pm Wed, Jan 23 20194pm Wed, Jan 23 20195pm Wed, Jan 23 20196pm Wed, Jan 23 20197pm Wed, Jan 23 20198pm Wed, Jan 23 20199pm Wed, Jan 23 201910pm Wed, Jan 23 201911pm Wed, Jan 23 201912am Thu, Jan 24 20191am Thu, Jan 24 20192am Thu, Jan 24 20193am Thu, Jan 24 20194am Thu, Jan 24 20195am Thu, Jan 24 20196am Thu, Jan 24 20197am Thu, Jan 24 20198am Thu, Jan 24 20199am Thu, Jan 24 201910am Thu, Jan 24 201911am Thu, Jan 24 201912pm Thu, Jan 24 20191pm Thu, Jan 24 20192pm Thu, Jan 24 20193pm Thu, Jan 24 20194pm Thu, Jan 24 20195pm Thu, Jan 24 20196pm Thu, Jan 24 20197pm Thu, Jan 24 20198pm Thu, Jan 24 20199pm Thu, Jan 24 201910pm Thu, Jan 24 201911pm Thu, Jan 24 201912am Fri, Jan 25 20191am Fri, Jan 25 20192am Fri, Jan 25 20193am Fri, Jan 25 20194am Fri, Jan 25 20195am Fri, Jan 25 20196am Fri, Jan 25 20197am Fri, Jan 25 20198am Fri, Jan 25 20199am Fri, Jan 25 201910am Fri, Jan 25 201911am Fri, Jan 25 201912pm Fri, Jan 25 20191pm Fri, Jan 25 20192pm Fri, Jan 25 20193pm Fri, Jan 25 20194pm Fri, Jan 25 20195pm Fri, Jan 25 20196pm Fri, Jan 25 20197pm Fri, Jan 25 20198pm Fri, Jan 25 20199pm Fri, Jan 25 201910pm Fri, Jan 25 201911pm Fri, Jan 25 201912am Sat, Jan 26 20191am Sat, Jan 26 20192am Sat, Jan 26 20193am Sat, Jan 26 20194am Sat, Jan 26 20195am Sat, Jan 26 20196am Sat, Jan 26 2019

Date	01/21					01/22
Hour (EST)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	14	13	13	13	13	13	13	12	12	12	12	12	13	15	18	21	24	26	28	29	31	31	30	30
Dewpoint (°F)	2	3	4	5	5	6	6	6	7	7	7	6	5	5	6	6	6	7	7	8	9	10	10	11
Wind Chill (°F)	-2	-2	-1	-1	-1	0	0	0	0	0	1	3	4	6	11	16	24	26	24	24	25	25	24	24
Surface Wind (mph)	16	14	13	11	11	10	10	9	8	8	7	6	6	6	5	3	2	2	3	5	6	6	6	6
Wind Dir	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	W	W	S	S	SE	SE	SE	SE	SE
Gust	23	21	20
Sky Cover (%)	1	2	3	3	3	2	2	2	3	3	6	11	12	14	18	20	22	25	27	30	35	37	40	46
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 (%)	58	63	67	70	70	73	73	76	80	80	80	76	70	64	59	52	45	44	40	40	39	41	42	44
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						01/23
Hour (EST)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	29	29	29	29	28	28	28	28	28	28	28	28	30	31	34	38	40	43	44	45	47	46	46	45
Dewpoint (°F)	11	12	12	13	13	13	14	15	17	19	20	21	23	25	28	30	32	34	36	37	39	40	41	43
Wind Chill (°F)	23	23	22	22	20	20	19	19	19	19	19	19	22	22	26	31	33	37	38	39	42	41	41	41
Surface Wind (mph)	6	6	7	7	8	8	9	9	9	9	9	9	9	10	10	11	11	11	11	11	11	10	9	8
Wind Dir	SE	SE	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	49	49	50	50	55	64	69	70	71	71	74	80	83	85	88	89	90	93	94	95	96	96	96	96
Precipitation Potential (%)	4	4	4	4	4	4	9	9	9	9	9	9	44	44	44	44	44	44	60	60	60	60	60	60
Relative Humidity (%)	46	48	48	51	53	53	55	58	63	68	71	75	75	78	78	73	73	70	73	73	74	79	83	93
Rain	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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