– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens
Weather Forecast, United States
Issued: 10 pm Sun 19 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sun 19 May Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 2°C on Mon afternoon, min -6°C on Wed morning). Winds increasing (light winds from the N on Sun night, strong winds from the WNW by Wed morning).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 2°C on Thu afternoon, min -5°C on Fri afternoon). Winds increasing (light winds from the NNW on Thu morning, strong winds from the WSW by Fri morning).									Days 8–10 Weather Summary Mostly dry. Freeze-thaw conditions (max 15°C on Tue afternoon, min 0°C on Sat night). Wind will be generally light.									Days 11–13 Weather Summary Mild at first with light rain (total 4mm) on Wed night followed by colder weather and light fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 14°C on Tue night, min -3°C on Thu night). Winds increasing (light winds from the SSE on Wed afternoon, fresh winds from the WSW by Thu afternoon).
		Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30			Fri 31
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM

	some clouds	clear	clear	some clouds	light snow	mod. snow	light snow	light snow	cloudy	some clouds	cloudy	cloudy	snow shwrs	mod. snow	light snow	heavy snow	light snow	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	rain shwrs	light rain	cloudy	risk tstorm	light rain	light snow	mod. snow	light snow	light snow
km/h	N	NNW	NW	NW	W	W	W	NW	NW	NW	NNW	NW	W	WSW	W	WNW	WNW	WNW	NW	NW	NW	S	SE	SE	SE	SE	SE	SE	SE	SSE	S	SW	WSW	WSW	WSW	W
Wave Height Map See all maps
cm	—	—	—	—	1.0	7	5	2.0	—	—	—	—	1.0	8	3	11	2.0	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2.0	6	5	4
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1.0	0.1	—	2.0	0.4	—	—	—	—
max°C	-2	-1	2	0	0	1	0	-4	-2	-1	-1	2	2	-1	-4	-4	-2	-1	1	3	7	8	8	12	12	12	15	14	14	14	10	3	1	-2	-3	-1
min°C	-3	-3	1	0	0	0	-5	-6	-2	-2	-2	0	0	-3	-5	-5	-3	-1	0	2	6	7	8	11	11	12	15	14	13	12	5	1	-1	-3	-3	-2
chill°C	-8	-8	-4	-6	-6	-7	-14	-16	-9	-7	-6	-3	-7	-12	-14	-14	-10	-7	-6	-2	4	7	6	10	10	10	14	13	11	11	2	-4	-8	-11	-10	-9

Freezing level (m)	1550	1750	2300	1950	2100	2150	1400	1300	1650	1500	1700	2500	2300	1500	1300	1150	1350	1750	3050	3300	3450	3450	3550	3600	3900	3950	3950	4050	4100	3950	3650	2250	1900	1450	1500	1750
Cloud base (m)	750	800	1750	750	700	700	700	700	750	750	800	900	2750	650	700	700	700	700	750	9100					8450	4300	4400	6150	5150		850	800	800	700	700	700

	—	5:28	—	—	5:28	—	—	5:26	—	—	5:26	—	—	5:26	—	—	5:24	—	—	5:24	—	—	5:22	—	—	5:22	—	—	5:22	—	—	5:20	—	—	5:20	—
	—	—	—	8:40	—	—	8:42	—	—	8:43	—	—	8:44	—	—	8:45	—	—	8:45	—	—	8:46	—	—	8:47	—	—	8:49	—	—	8:50	—	—	8:51	—	8:52

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: A moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 2°C on Mon afternoon, min -6°C on Wed morning). Winds increasing (light winds from the N on Sun night, strong winds from the WNW by Wed morning).

Mount Saint Helens Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 2°C on Thu afternoon, min -5°C on Fri afternoon). Winds increasing (light winds from the NNW on Thu morning, strong winds from the WSW by Fri morning).

Mount Saint Helens Weather (Days 6-9):

Mostly dry. Freeze-thaw conditions (max 15°C on Tue afternoon, min 0°C on Sat night). Wind will be generally light.

This table gives the weather forecast for Mount Saint Helens at the specific elevation of 2000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Saint Helens. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 5 closest weather stations

Weather Station	Temp.	Weather	Wind
Yacolt 41 km S 213m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 150).
View wx 47 km SSW 248m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 292).
Heisson 48 km S 229m alt. 2 hours ago	5° C	Dry	Calm (2 kph at 59).
Lewisville wx 51 km S 127m alt. 1 hour ago	6° C	Dry	Calm (3 kph at 54).
Kalama 53 km SW 270m alt. 37 minutes ago	6° C	Dry	Calm (0 kph at 96).

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.