– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 10 pm Mon 28 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Mon 28 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 6mm), mostly falling on Tue afternoon. Mild temperatures (max 5°C on Wed night, min 2°C on Tue night). Winds decreasing (near gales from the WNW on Tue morning, moderate winds from the WSW by Thu afternoon).										Days 5–7 Weather Summary Mostly dry. Very mild (max 12°C on Sat night, min 5°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu night, light winds from the WNW by Sat morning).
		Tuesday 29			Wednesday 30			Thursday 1			Friday 2			Saturday 3
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	light rain	light rain	light rain	rain shwrs	some clouds	some clouds	cloudy	cloudy	some clouds	clear	clear	clear	clear	clear	some clouds
Cloud base (m)	2300	850	750	700	700	7050	3400	2350	2050	1900					9000	6900
km/h	W	WNW	W	WNW	WNW	WNW	WNW	W	WSW	W	WNW	NW	WNW	WNW	W	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	1.2	2	3	0.2	—	—	—	—	—	—	—	—	—	—	—
max °C	4	4	4	4	3	4	5	4	4	7	6	6	9	9	11	12
min °C	4	4	4	2	3	4	4	4	4	5	6	6	7	9	11	11
chill °C	-2	-3	-3	-5	-3	-1	-2	-1	0	1	1	2	4	8	10	10

Freezing level m	3600	3600	3350	3250	3400	3500	3400	3350	3300	3950	3650	3700	4000	4200	4300	4300

	—	7:03	—	—	7:05	—	—	7:05	—	—	7:07	—	—	7:09	—	—
	—	—	6:52	—	—	6:51	—	—	6:49	—	—	6:46	—	—	6:45	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Light rain (total 6mm), mostly falling on Tue afternoon. Mild temperatures (max 5°C on Wed night, min 2°C on Tue night). Winds decreasing (near gales from the WNW on Tue morning, moderate winds from the WSW by Thu afternoon).

Mount Saint Helens Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Sat night, min 5°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu night, light winds from the WNW by Sat morning).

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 721m alt. 2 hours ago	14°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
BUOY-KLMW1 57 km SW 3m alt. 1 hour ago
BUOY-LOPW1 60 km WSW 3m alt. 52 minutes ago
Scappoose Airport 72 km SSW 718m alt. 2 hours ago	12°C	Clear	Light winds from the WSW (7 kph at 240).	16 km
Vancouver Airport 74 km S 716m alt. 2 hours ago	15°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
Troutdale Airport 75 km S 716m alt. 2 hours ago	14°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
Portland Airport 76 km S 715m alt. 2 hours ago	16°C	Dry and partly cloudy.	Light winds from the WNW (7 kph at 300).	16 km Low: broken Mid: broken
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 3 hours ago	17°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: scattered
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	15°C	Dry and cloudy.	Light winds from the S.(Wind varies from 140 to 200 degs) (13 kph at 180).	16 km Low: scattered Mid: overcast
Johnsons Corner wx 88 km N 215m alt. 28 minutes ago	12°C	Dry	Calm (0 kph at —).

* 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.