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Point Forecast: West Mifflin PA  40.36N 79.91W (Elev. 1017 ft)	Last Update: 5:44 am EDT May 20, 2018

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Weather Elements Fire Weather Aviation 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 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 6am Sun, May 20 20187am Sun, May 20 20188am Sun, May 20 20189am Sun, May 20 201810am Sun, May 20 201811am Sun, May 20 201812pm Sun, May 20 20181pm Sun, May 20 20182pm Sun, May 20 20183pm Sun, May 20 20184pm Sun, May 20 20185pm Sun, May 20 20186pm Sun, May 20 20187pm Sun, May 20 20188pm Sun, May 20 20189pm Sun, May 20 201810pm Sun, May 20 201811pm Sun, May 20 201812am Mon, May 21 20181am Mon, May 21 20182am Mon, May 21 20183am Mon, May 21 20184am Mon, May 21 20185am Mon, May 21 20186am Mon, May 21 20187am Mon, May 21 20188am Mon, May 21 20189am Mon, May 21 201810am Mon, May 21 201811am Mon, May 21 201812pm Mon, May 21 20181pm Mon, May 21 20182pm Mon, May 21 20183pm Mon, May 21 20184pm Mon, May 21 20185pm Mon, May 21 20186pm Mon, May 21 20187pm Mon, May 21 20188pm Mon, May 21 20189pm Mon, May 21 201810pm Mon, May 21 201811pm Mon, May 21 201812am Tue, May 22 20181am Tue, May 22 20182am Tue, May 22 20183am Tue, May 22 20184am Tue, May 22 20185am Tue, May 22 20186am Tue, May 22 20187am Tue, May 22 20188am Tue, May 22 20189am Tue, May 22 201810am Tue, May 22 201811am Tue, May 22 201812pm Tue, May 22 20181pm Tue, May 22 20182pm Tue, May 22 20183pm Tue, May 22 20184pm Tue, May 22 20185pm Tue, May 22 20186pm Tue, May 22 20187pm Tue, May 22 20188pm Tue, May 22 20189pm Tue, May 22 201810pm Tue, May 22 201811pm Tue, May 22 201812am Wed, May 23 20181am Wed, May 23 20182am Wed, May 23 20183am Wed, May 23 20184am Wed, May 23 20185am Wed, May 23 20186am Wed, May 23 20187am Wed, May 23 20188am Wed, May 23 20189am Wed, May 23 201810am Wed, May 23 201811am Wed, May 23 201812pm Wed, May 23 20181pm Wed, May 23 20182pm Wed, May 23 20183pm Wed, May 23 20184pm Wed, May 23 20185pm Wed, May 23 20186pm Wed, May 23 20187pm Wed, May 23 20188pm Wed, May 23 20189pm Wed, May 23 201810pm Wed, May 23 201811pm Wed, May 23 201812am Thu, May 24 20181am Thu, May 24 20182am Thu, May 24 20183am Thu, May 24 20184am Thu, May 24 20185am Thu, May 24 20186am Thu, May 24 20187am Thu, May 24 20188am Thu, May 24 20189am Thu, May 24 201810am Thu, May 24 201811am Thu, May 24 201812pm Thu, May 24 20181pm Thu, May 24 20182pm Thu, May 24 20183pm Thu, May 24 20184pm Thu, May 24 20185pm Thu, May 24 2018

Date	05/20																		05/21
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)	66	67	67	68	68	71	72	74	75	76	76	76	75	74	72	70	67	64	63	62	60	59	58	57
Dewpoint (°F)	65	65	64	64	63	63	62	62	62	61	61	60	60	59	59	58	58	57	57	57	56	56	56	56
Heat Index (°F)									75	76	76	76	75
Surface Wind (mph)	8	7	9	9	9	8	8	8	8	9	9	8	8	7	6	5	5	3	3	3	3	3	3	3
Wind Dir	SW	W	W	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	N	N	N	N
Gust
Sky Cover (%)	89	91	92	90	88	86	78	69	60	60	60	60	57	54	51	52	53	54	55	56	57	59	61	62
Precipitation Potential (%)	21	20	20	16	12	7	7	6	5	6	7	8	9	10	11	11	11	11	10	10	10	10	11	12
Relative Humidity (%)	94	93	91	88	84	76	71	68	64	61	59	58	58	60	63	68	73	78	81	84	87	90	93	95
Rain	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																			05/22
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)	57	58	59	62	66	69	71	73	75	77	78	78	76	74	72	70	68	67	66	65	64	63	62	62
Dewpoint (°F)	56	56	57	57	58	58	58	59	59	59	60	60	60	60	60	60	61	62	61	61	61	61	61	61
Heat Index (°F)									75	77	78	78	76
Surface Wind (mph)	3	3	3	3	5	5	5	3	3	3	5	5	5	3	3	5	5	5	3	2	2	2	3	3
Wind Dir	N	NE	NE	NE	E	E	E	E	E	E	E	E	E	SE	SE	SE	SE	S	S	S	S	S	S	S
Gust
Sky Cover (%)	65	67	69	69	69	68	68	68	67	71	74	77	80	84	87	87	87	88	88	88	88	89	89	89
Precipitation Potential (%)	12	13	13	13	13	12	14	16	18	21	24	27	33	39	44	46	47	49	51	52	54	55	57	59
Relative Humidity (%)	97	96	92	84	76	69	64	60	58	55	54	54	57	61	67	72	77	82	86	89	92	94	95	95
Rain	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly
Thunder	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc

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