National Weather Service

Point Forecast: 17 Miles ENE Mount St Helens WA 46.27N 121.86W (Elev. 4833 ft)	Last Update: 9:41 pm PDT May 4, 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	05/04			05/05
Hour (PDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	34	34	33	33	33	33	33	33	33	32	32	32	33	33	33	34	34	34	34	34	34	34	33	33
Dewpoint (°F)	34	33	32	32	31	31	31	30	30	30	30	29	30	31	31	33	33	34	34	34	34	34	33	33
Heat Index (°F)
Surface Wind (mph)	11	13	11	13	13	14	15	16	16	17	17	18	21	21	18	18	18	18	21	23	23	23	23	22
Wind Dir	W	W	W	W	W	W	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
Gust						20	22	23	23	24	24	25	28	28	26	25	25	26	28	31	31	31	31	29
Sky Cover (%)	82	80	82	87	85	90	87	86	88	88	89	90	89	89	90	89	89	90	88	93	94	94	94	83
Precipitation Potential (%)	90	87	82	85	78	77	82	80	91	89	89	88	85	83	80	80	79	78	78	78	99	99	99	99
Relative Humidity (%)	100	97	97	97	93	91	91	90	88	93	91	90	90	92	93	95	98	100	99	100	99	100	99	99
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

Date				05/06
Hour (PDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	33	33	32	32	33	33	33	33	33	33	33	33	33	32	32	32	33	33	33	32	32	31	31	30
Dewpoint (°F)	32	32	31	31	30	30	30	30	30	30	30	30	30	29	30	30	31	31	31	31	31	31	30	29
Heat Index (°F)
Surface Wind (mph)	22	22	22	22	22	21	21	21	23	23	23	18	18	18	15	15	15	14	14	14	17	17	17	15
Wind Dir	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W
Gust	29	29	30	30	30	28	28	28	31	31	31	28	28	28	23	23	23	20	20	20	25	25	25	24
Sky Cover (%)	83	83	81	81	81	85	85	85	82	82	82	87	87	87	84	84	84	83	83	83	85	85	85	71
Precipitation Potential (%)	99	99	95	95	95	95	95	95	100	100	100	100	100	100	100	100	100	100	100	100	90	90	90	90
Relative Humidity (%)	98	98	97	95	91	89	89	89	90	89	88	87	88	89	91	92	92	93	94	96	97	97	97	96
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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