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Point Forecast: Mount St Helens WA  46.2N 122.18W (Elev. 1828 m)	Last Update: 11:41 am PDT Mar 29, 2023

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Weather Elements Weather/Precipitation Fire Weather Temperature (°C) Dewpoint (°C) Wind Chill (°C) 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

48-Hour Period Starting: 12pm Wed, Mar 29 20231pm Wed, Mar 29 20232pm Wed, Mar 29 20233pm Wed, Mar 29 20234pm Wed, Mar 29 20235pm Wed, Mar 29 20236pm Wed, Mar 29 20237pm Wed, Mar 29 20238pm Wed, Mar 29 20239pm Wed, Mar 29 202310pm Wed, Mar 29 202311pm Wed, Mar 29 202312am Thu, Mar 30 20231am Thu, Mar 30 20232am Thu, Mar 30 20233am Thu, Mar 30 20234am Thu, Mar 30 20235am Thu, Mar 30 20236am Thu, Mar 30 20237am Thu, Mar 30 20238am Thu, Mar 30 20239am Thu, Mar 30 202310am Thu, Mar 30 202311am Thu, Mar 30 202312pm Thu, Mar 30 20231pm Thu, Mar 30 20232pm Thu, Mar 30 20233pm Thu, Mar 30 20234pm Thu, Mar 30 20235pm Thu, Mar 30 20236pm Thu, Mar 30 20237pm Thu, Mar 30 20238pm Thu, Mar 30 20239pm Thu, Mar 30 202310pm Thu, Mar 30 202311pm Thu, Mar 30 202312am Fri, Mar 31 20231am Fri, Mar 31 20232am Fri, Mar 31 20233am Fri, Mar 31 20234am Fri, Mar 31 20235am Fri, Mar 31 20236am Fri, Mar 31 20237am Fri, Mar 31 20238am Fri, Mar 31 20239am Fri, Mar 31 202310am Fri, Mar 31 202311am Fri, Mar 31 202312pm Fri, Mar 31 20231pm Fri, Mar 31 20232pm Fri, Mar 31 20233pm Fri, Mar 31 20234pm Fri, Mar 31 20235pm Fri, Mar 31 20236pm Fri, Mar 31 20237pm Fri, Mar 31 20238pm Fri, Mar 31 20239pm Fri, Mar 31 202310pm Fri, Mar 31 202311pm Fri, Mar 31 202312am Sat, Apr 1 20231am Sat, Apr 1 20232am Sat, Apr 1 20233am Sat, Apr 1 20234am Sat, Apr 1 20235am Sat, Apr 1 20236am Sat, Apr 1 20237am Sat, Apr 1 20238am Sat, Apr 1 20239am Sat, Apr 1 202310am Sat, Apr 1 202311am Sat, Apr 1 202312pm Sat, Apr 1 20231pm Sat, Apr 1 20232pm Sat, Apr 1 20233pm Sat, Apr 1 20234pm Sat, Apr 1 20235pm Sat, Apr 1 20236pm Sat, Apr 1 20237pm Sat, Apr 1 20238pm Sat, Apr 1 20239pm Sat, Apr 1 202310pm Sat, Apr 1 202311pm Sat, Apr 1 202312am Sun, Apr 2 20231am Sun, Apr 2 20232am Sun, Apr 2 20233am Sun, Apr 2 20234am Sun, Apr 2 20235am Sun, Apr 2 20236am Sun, Apr 2 20237am Sun, Apr 2 20238am Sun, Apr 2 20239am Sun, Apr 2 202310am Sun, Apr 2 202311am Sun, Apr 2 202312pm Sun, Apr 2 20231pm Sun, Apr 2 20232pm Sun, Apr 2 20233pm Sun, Apr 2 20234pm Sun, Apr 2 20235pm Sun, Apr 2 20236pm Sun, Apr 2 20237pm Sun, Apr 2 20238pm Sun, Apr 2 20239pm Sun, Apr 2 202310pm Sun, Apr 2 202311pm Sun, Apr 2 2023

Date	03/29												03/30
Hour (PDT)	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11
Temperature (°C)	-2	-2	-2	-2	-2	-2	-2	-2	-2	-3	-3	-3	-3	-3	-3	-4	-4	-4	-4	-4	-4	-4	-4	-4
Dewpoint (°C)	-5	-5	-5	-4	-4	-4	-4	-4	-4	-4	-4	-4	-4	-4	-5	-6	-6	-6	-7	-7	-7	-6	-6	-6
Wind Chill (°C)	-4	-4	-5	-6	-6	-7	-6	-7	-7	-7	-7	-8	-8	-8	-9	-11	-11	-11	-11	-11	-11	-11	-11	-11
Surface Wind (mph)	3	3	5	6	6	8	7	9	8	8	8	8	9	11	13	14	15	14	14	14	13	13	13	15
Wind Dir	E	ESE	E	N	WNW	W	W	W	W	W	W	W	W	W	WSW	WSW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
Gust
Sky Cover (%)	44	48	43	46	56	59	74	70	67	62	61	72	72	72	75	75	75	73	73	73	75	75	75	84
Precipitation Potential (%)	23	23	24	21	24	36	36	36	36	36	36	18	18	18	18	18	18	50	50	50	50	50	50	76
Relative Humidity (%)	82	82	82	83	83	84	85	86	87	89	90	92	92	91	90	88	86	85	85	85	86	86	87	87
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Ocnl
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date													03/31
Hour (PDT)	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11
Temperature (°C)	-4	-4	-4	-3	-3	-3	-3	-4	-4	-4	-5	-6	-6	-6	-6	-6	-6	-6	-6	-6	-5	-5	-5	-5
Dewpoint (°C)	-6	-6	-5	-5	-5	-5	-5	-5	-6	-6	-6	-7	-7	-7	-7	-7	-8	-8	-8	-7	-6	-7	-7	-7
Wind Chill (°C)	-11	-11	-11	-11	-10	-10	-11	-11	-12	-12	-13	-13	-13	-14	-14	-14	-14	-12	-12	-12	-12	-12	-12	-13
Surface Wind (mph)	15	15	15	15	15	15	15	15	17	17	17	17	17	17	18	18	18	11	11	11	13	13	13	15
Wind Dir	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SSW
Gust
Sky Cover (%)	84	84	84	84	84	90	90	90	90	90	90	92	92	92	92	92	92	94	94	94	94	94	94	96
Precipitation Potential (%)	76	76	76	76	76	84	84	84	84	84	84	87	87	87	87	87	87	91	91	91	91	91	91	93
Relative Humidity (%)	88	89	90	90	89	89	90	91	91	91	90	90	91	91	92	91	86	85	86	90	92	91	87	86
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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