– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 10 pm Sat 12 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sat 12 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 5°C on Mon afternoon, min -3°C on Sat night). Winds decreasing (strong winds from the NW on Sun afternoon, calm by Tue afternoon).										Days 5–7 Weather Summary Mostly dry. Very mild (max 11°C on Thu afternoon, min 3°C on Tue night). Wind will be generally light.
		Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	light snow	light snow	rain shwrs	rain shwrs	some clouds	some clouds	some clouds	cloudy	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	800	700	700		1600	6200	9500		2300
km/h	SW	WNW	NW	NW	NNW	NW	WNW	WNW	ESE	NE	E	ESE	S	WSW	W	W
See all weather maps
cm	2	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	0.1	0.2	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-2	0	2	4	5	5	3	3	5	6	8	9	10	11	10
min °C	-3	-3	-1	0	3	5	3	2	3	3	6	8	9	10	10	10
chill °C	-9	-9	-8	-8	-2	2	-2	0	3	0	3	6	8	10	8	7

Freezing level m	2050	2100	2500	3150	3650	3650	3550	3100	2900	3300	3700	3700	4000	4000	4100	4150

	—	6:43	—	—	6:45	—	—	6:46	—	—	6:47	—	—	6:48	—	—
	—	—	7:23	—	—	7:22	—	—	7:20	—	—	7:17	—	—	7:15	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: A dusting of new snow. Freeze-thaw conditions (max 5°C on Mon afternoon, min -3°C on Sat night). Winds decreasing (strong winds from the NW on Sun afternoon, calm by Tue afternoon).

Mount Saint Helens Weather (Days 3-6):

Mostly dry. Very mild (max 11°C on Thu afternoon, min 3°C on Tue night). Wind will be generally light.

This table gives the weather forecast for Mount Saint Helens at the specific elevation of 2549 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 5m alt. 1 hour ago	13°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: overcast
Kelso Longveiw Airport 56 km WSW 220m alt. 3 hours ago	13°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: broken High: 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 14m alt. 1 hour ago	13°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: overcast
Vancouver Airport 74 km S 218m alt. 2 hours ago	14°C	Light rain .	Calm (0 kph at 0).	13 km Low: scattered Mid: broken High: overcast
Vancouver Airport 74 km S 8m alt. 1 hour ago	14°C	Dry and cloudy.	Light winds from the SSW (7 kph at 210).	16 km Low: scattered Mid: broken High: overcast
Troutdale Airport 75 km S 14m alt. 1 hour ago	13°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Portland Airport 75 km S 7m alt. 2 hours ago	14°C	Dry and cloudy.	Light winds from the SSW (13 kph at 200).	16 km Low: broken Mid: overcast
Portland Airport 76 km S 218m alt. 3 hours ago	14°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: broken Mid: broken High: overcast

* 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.