– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 10 am Mon 28 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Mon 28 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 6mm), mostly falling on Tue night. Mild temperatures (max 5°C on Wed afternoon, min 2°C on Tue night). Winds decreasing (near gales from the W on Tue morning, light winds from the WNW by Wed afternoon).									Days 4–6 Weather Summary Some drizzle, heaviest during Fri afternoon. Very mild (max 10°C on Sat afternoon, min 3°C on Fri morning). Winds decreasing (strong winds from the W on Thu night, calm by Fri night).
	Monday 28			Tuesday 29			Wednesday 30			Thursday 1			Friday 2			Saturday 3
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	light rain	light rain	rain shwrs	clear	cloudy	some clouds	cloudy	cloudy	light rain	light rain	rain shwrs	clear	clear	clear	some clouds
Cloud base (m)	5550	3550	2200	900	750	700	8350	6450	3150	2100	1900	1600	700	750	8600			6850
km/h	W	WNW	W	W	WNW	WNW	NW	WNW	WNW	W	W	WSW	W	WNW	N	SE	SSW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	1.5	1.5	3	—	—	—	—	—	0.2	0.5	0.6	—	—	—	—
max °C	3	4	4	4	4	4	4	5	5	4	4	4	3	6	8	8	10	10
min °C	3	3	4	4	3	2	3	5	5	4	4	4	3	5	7	8	10	10
chill °C	-1	-3	-2	-2	-4	-5	-3	2	1	-2	-2	-1	-3	0	5	7	9	10

Freezing level m	3300	3200	3500	3450	3300	3050	3550	3550	3450	3400	3400	3250	3250	3950	4100	4300	4350	4200

	7:01	—	—	7:03	—	—	7:05	—	—	7:05	—	—	7:07	—	—	7:09	—	—
	—	6:54	—	—	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 night. Mild temperatures (max 5°C on Wed afternoon, min 2°C on Tue night). Winds decreasing (near gales from the W on Tue morning, light winds from the WNW by Wed afternoon).

Mount Saint Helens Weather (Days 3-6):

Some drizzle, heaviest during Fri afternoon. Very mild (max 10°C on Sat afternoon, min 3°C on Fri morning). Winds decreasing (strong winds from the W on Thu night, calm by Fri night).

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 220m alt. 2 hours ago	16°C	Clear	Calm (0 kph at 0).	16 km
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	Clear	Calm (0 kph at 0).	16 km
Vancouver Airport 74 km S 218m alt. 2 hours ago	16°C	Clear	Light winds from the SSW (7 kph at 200).	16 km
Troutdale Airport 75 km S 218m alt. 2 hours ago	16°C	Clear	Light winds from the N (6 kph at 1).	16 km
Portland Airport 76 km S 218m alt. 2 hours ago	16°C	-	Calm (0 kph at 0).	16 km Low: few
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	20°C	Clear	Calm (0 kph at 0).	16 km
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	18°C	Clear	Light winds from the SW (9 kph at 220).	16 km
Johnsons Corner wx 88 km N 215m alt. 42 minutes ago	17°C	Dry	Calm (2 kph at 68).

* 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.