– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 10 am Fri 11 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Fri 11 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mild at first with light rain (total 9mm) on Sat night followed by colder weather and light fall of snow, heaviest on Sat night. Mild temperatures (max 8°C on Fri afternoon, min 1°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the WNW by Sun afternoon).									Days 4–6 Weather Summary Mostly dry. Very mild (max 13°C on Wed afternoon, min 3°C on Mon morning). Wind will be generally light.
	Friday 11			Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wednesday 16
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	cloudy	cloudy	mod. snow	light snow	light snow	rain shwrs	clear	some clouds	some clouds	clear	some clouds	clear	clear	clear	clear
Cloud base (m)	6450	6150	6200	5300	1750	700	700	750		900	8000	4950		2700
km/h	WSW	SW	S	SE	SSE	W	NW	WNW	WNW	NNW	NW	WNW	NW	NE	ENE	E	E	ESE
See all weather maps
cm	—	—	—	—	—	10	5	1	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	8	—	0.1	0.1	—	—	—	—	—	—	—	—	—
max °C	5	8	7	6	7	3	1	3	3	4	6	6	5	7	9	10	13	12
min °C	4	7	6	6	5	1	1	2	2	3	6	4	4	7	8	9	13	12
chill °C	1	5	3	3	3	-4	-4	-4	-3	-1	3	0	1	7	5	7	12	10

Freezing level m	3200	3150	2900	2850	2850	2200	2250	2600	3200	3600	3650	3350	3050	2900	3550	3950	4000	4050

	6:41	—	—	6:41	—	—	6:43	—	—	6:45	—	—	6:46	—	—	6:47	—	—
	—	7:28	—	—	7:25	—	—	7:23	—	—	7:22	—	—	7:20	—	—	7:17	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Mild at first with light rain (total 9mm) on Sat night followed by colder weather and light fall of snow, heaviest on Sat night. Mild temperatures (max 8°C on Fri afternoon, min 1°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the WNW by Sun afternoon).

Mount Saint Helens Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Wed afternoon, min 3°C on Mon morning). 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Kelso Longveiw Airport 56 km WSW 220m alt. 2 hours ago	16°C	Dry and cloudy.	Light winds from the N (6 kph at 1).	16 km Low: overcast
BUOY-KLMW1 57 km SW 3m alt. 1 hour ago
BUOY-LOPW1 60 km WSW 3m alt. 1 hour ago
Scappoose Airport 72 km SSW 219m alt. 2 hours ago	17°C	Dry and partly cloudy.	Light winds from the NNE (6 kph at 20).	16 km Low: few Mid: broken
Vancouver Airport 74 km S 218m alt. 2 hours ago	17°C	Dry and partly cloudy.	Light winds from the SSW (9 kph at 210).	16 km Low: broken
Troutdale Airport 75 km S 218m alt. 2 hours ago	17°C	Clear	Wind obs. (6 kph from 1 degs) was rejected.	16 km
Portland Airport 76 km S 218m alt. 2 hours ago	17°C	Dry and partly cloudy.	Light winds from the N (7 kph at 1).	16 km Low: few Mid: scattered High: broken
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 1 hour ago	18°C	Clear	Light winds from the NW (15 kph at 310).	16 km
Chehalis Central Airport 82 km WNW 54m alt. 1 hour ago	17°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Johnsons Corner wx 88 km N 215m alt. 1 hour ago	17°C	Dry	Calm (3 kph at 0).

* 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.