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Point Forecast: Chevy Chase MD  38.98N 77.09W (Elev. 344 ft)	Last Update: 4:30 am EDT Sep 25, 2018

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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)

48-Hour Period Starting: 7am Tue, Sep 25 20188am Tue, Sep 25 20189am Tue, Sep 25 201810am Tue, Sep 25 201811am Tue, Sep 25 201812pm Tue, Sep 25 20181pm Tue, Sep 25 20182pm Tue, Sep 25 20183pm Tue, Sep 25 20184pm Tue, Sep 25 20185pm Tue, Sep 25 20186pm Tue, Sep 25 20187pm Tue, Sep 25 20188pm Tue, Sep 25 20189pm Tue, Sep 25 201810pm Tue, Sep 25 201811pm Tue, Sep 25 201812am Wed, Sep 26 20181am Wed, Sep 26 20182am Wed, Sep 26 20183am Wed, Sep 26 20184am Wed, Sep 26 20185am Wed, Sep 26 20186am Wed, Sep 26 20187am Wed, Sep 26 20188am Wed, Sep 26 20189am Wed, Sep 26 201810am Wed, Sep 26 201811am Wed, Sep 26 201812pm Wed, Sep 26 20181pm Wed, Sep 26 20182pm Wed, Sep 26 20183pm Wed, Sep 26 20184pm Wed, Sep 26 20185pm Wed, Sep 26 20186pm Wed, Sep 26 20187pm Wed, Sep 26 20188pm Wed, Sep 26 20189pm Wed, Sep 26 201810pm Wed, Sep 26 201811pm Wed, Sep 26 201812am Thu, Sep 27 20181am Thu, Sep 27 20182am Thu, Sep 27 20183am Thu, Sep 27 20184am Thu, Sep 27 20185am Thu, Sep 27 20186am Thu, Sep 27 20187am Thu, Sep 27 20188am Thu, Sep 27 20189am Thu, Sep 27 201810am Thu, Sep 27 201811am Thu, Sep 27 201812pm Thu, Sep 27 20181pm Thu, Sep 27 20182pm Thu, Sep 27 20183pm Thu, Sep 27 20184pm Thu, Sep 27 20185pm Thu, Sep 27 20186pm Thu, Sep 27 20187pm Thu, Sep 27 20188pm Thu, Sep 27 20189pm Thu, Sep 27 201810pm Thu, Sep 27 201811pm Thu, Sep 27 201812am Fri, Sep 28 20181am Fri, Sep 28 20182am Fri, Sep 28 20183am Fri, Sep 28 20184am Fri, Sep 28 20185am Fri, Sep 28 20186am Fri, Sep 28 20187am Fri, Sep 28 20188am Fri, Sep 28 20189am Fri, Sep 28 201810am Fri, Sep 28 201811am Fri, Sep 28 201812pm Fri, Sep 28 20181pm Fri, Sep 28 20182pm Fri, Sep 28 20183pm Fri, Sep 28 20184pm Fri, Sep 28 20185pm Fri, Sep 28 20186pm Fri, Sep 28 20187pm Fri, Sep 28 20188pm Fri, Sep 28 20189pm Fri, Sep 28 201810pm Fri, Sep 28 201811pm Fri, Sep 28 201812am Sat, Sep 29 20181am Sat, Sep 29 20182am Sat, Sep 29 20183am Sat, Sep 29 20184am Sat, Sep 29 20185am Sat, Sep 29 20186am Sat, Sep 29 20187am Sat, Sep 29 20188am Sat, Sep 29 20189am Sat, Sep 29 201810am Sat, Sep 29 201811am Sat, Sep 29 201812pm Sat, Sep 29 20181pm Sat, Sep 29 20182pm Sat, Sep 29 20183pm Sat, Sep 29 20184pm Sat, Sep 29 20185pm Sat, Sep 29 20186pm Sat, Sep 29 2018

Date	09/25																	09/26
Hour (EDT)	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06
Temperature (°F)	65	66	67	69	72	74	76	77	78	78	77	76	75	73	72	71	70	70	70	70	70	70	69	68
Dewpoint (°F)	65	66	67	69	70	71	71	71	71	71	71	71	71	71	71	70	70	70	70	70	70	70	69	68
Heat Index (°F)							76	77	78	78	77	76	75
Surface Wind (mph)	6	6	6	6	7	7	7	7	7	6	6	6	6	6	6	6	6	6	5	5	5	5	5	5
Wind Dir	SE	SE	SE	S	S	S	S	S	S	S	S	S	SE	SE	SE	SE	SE	S	S	S	S	S	S	S
Gust
Sky Cover (%)	100	100	100	100	100	100	100	98	95	92	90	89	88	87	85	84	84	86	88	92	95	98	99	97
Precipitation Potential (%)	57	58	58	58	57	57	57	39	39	39	25	25	25	14	14	14	14	14	14	14	14	14	15	15
Relative Humidity (%)	100	100	100	100	93	90	85	82	79	79	82	85	87	93	97	97	100	100	100	100	100	100	100	100
Rain	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	SChc	SChc
Thunder	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--
Date																		09/27
Hour (EDT)	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06
Temperature (°F)	68	69	72	76	80	82	83	84	84	83	81	78	75	72	70	69	68	67	66	64	63	63	62	60
Dewpoint (°F)	68	69	71	71	72	72	72	72	72	72	72	72	71	70	69	68	66	64	63	61	60	59	58	57
Heat Index (°F)				76	84	87	88	90	90	88	85	78	75
Surface Wind (mph)	6	6	6	7	7	7	8	8	8	9	9	8	7	7	8	8	9	9	9	9	9	9	9	8
Wind Dir	S	S	S	SW	SW	SW	SW	SW	SW	W	W	W	W	NW	NW	NW	NW	NW	N	N	N	N	N	N
Gust
Sky Cover (%)	92	86	79	73	70	71	76	84	92	99	100	100	100	100	100	100	100	100	96	92	88	85	84	85
Precipitation Potential (%)	15	14	14	14	18	18	18	67	67	67	65	65	65	54	54	54	54	54	54	27	27	27	27	27
Relative Humidity (%)	100	100	97	85	77	72	70	67	67	70	74	82	87	93	97	97	93	90	90	90	90	87	87	90
Rain	SChc	--	--	--	SChc	SChc	SChc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--

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