National Weather Service

Point Forecast: 3 Miles S Mount St Helens WA 46.14N 122.2W (Elev. 2956 ft)	Last Update: 7:41 pm PDT May 5, 2024

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Weather Elements	Weather/Precipitation	Fire Weather
Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind Sky Cover (%) Precipitation Potential (%) Relative Humidity (%)	Rain Thunder Fog	Mixing Height Haines Index Lightning Activity Level Trans. Wind

48-Hour Period Starting:


Date	05/05				05/06
Hour (PDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Temperature (°F)	40	39	39	38	38	38	38	38	38	38	38	37	37	37	37	37	38	38	39	39	39	39	38	37
Dewpoint (°F)	39	38	38	37	37	37	37	38	38	38	37	36	35	34	34	34	35	35	36	35	34	34	33	33
Heat Index (°F)
Surface Wind (mph)	15	14	15	14	14	15	16	16	15	15	14	14	13	11	10	10	10	11	11	11	11	13	13	13
Wind Dir	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	W	W	W	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W	W
Gust	24	21	24	21	22	24	26	25	24	24	21	21	18							18	18	18	18	18
Sky Cover (%)	93	96	98	98	98	98	98	99	97	97	94	90	99	86	86	88	90	93	99	97	96	100	100	100
Precipitation Potential (%)	86	86	93	96	97	97	97	98	92	93	86	85	78	76	72	82	85	89	98	95	94	99	99	99
Relative Humidity (%)	98	98	98	98	98	98	98	99	100	100	98	96	93	90	89	89	90	90	89	86	83	82	83	86
Rain	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc

Date					05/07
Hour (PDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Temperature (°F)	36	36	35	34	34	34	34	34	34	34	34	34	35	36	38	39	40	40	41	42	43	43	42	40
Dewpoint (°F)	33	34	33	33	33	33	33	33	33	33	33	33	34	34	35	35	36	36	37	37	37	37	37	35
Heat Index (°F)
Surface Wind (mph)	13	13	13	11	11	11	10	10	10	11	11	11	10	10	10	11	11	11	13	13	13	14	14	14
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WNW	WNW	WNW
Gust	18	18	18													18	18	18	18	18	18	21	21	21
Sky Cover (%)	100	100	100	88	88	88	88	88	88	91	91	91	91	91	91	90	90	90	90	90	90	51	51	51
Precipitation Potential (%)	99	99	99	82	82	82	82	82	82	86	86	86	86	86	86	84	84	84	84	84	84	26	26	26
Relative Humidity (%)	90	92	94	95	97	98	98	98	97	97	98	98	96	93	90	87	86	85	84	82	80	80	81	82
Rain	Ocnl	Ocnl	Ocnl	--	--	--	--	--	--	--	--	--	--	--	--	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Chc	Chc	Chc
Thunder	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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