– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 4 am Mon 28 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 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 6°C on Wed afternoon, min 3°C on Mon morning). Winds decreasing (near gales from the W on Tue morning, light winds from the NW by Wed afternoon).									Days 4–6 Weather Summary Mostly dry. Very mild (max 11°C on Sat afternoon, min 2°C on Fri morning). Winds decreasing (fresh winds from the W on Thu afternoon, calm by Sat morning).
	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	clear	some clouds	light rain	light rain	rain shwrs	clear	some clouds	some clouds	cloudy	cloudy	rain shwrs	light rain	rain shwrs	clear	clear	clear	clear
Cloud base (m)	6300	3300	2250	750	700	700	8400	8300	3500	2800	2100	2000	1750	750			9150	9650
km/h	WNW	WNW	W	W	W	WNW	NW	WNW	WNW	W	W	WSW	WNW	NW	WNW	N	WSW	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	0.7	3	3	—	—	—	—	—	0.2	0.1	0.3	—	—	—	—
max °C	3	3	4	4	4	3	4	6	6	6	5	5	3	6	8	9	11	10
min °C	3	3	3	4	3	3	4	5	6	5	5	3	2	5	7	9	10	10
chill °C	-2	-2	-4	-2	-4	-4	-1	2	2	0	0	-3	-4	0	4	9	10	10

Freezing level m	3250	3200	3450	3500	3200	3500	3650	3700	3550	3400	3400	3250	3200	3850	4150	4250	4400	4350

	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 6°C on Wed afternoon, min 3°C on Mon morning). Winds decreasing (near gales from the W on Tue morning, light winds from the NW by Wed afternoon).

Mount Saint Helens Weather (Days 3-6):

Mostly dry. Very mild (max 11°C on Sat afternoon, min 2°C on Fri morning). Winds decreasing (fresh winds from the W on Thu afternoon, calm 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 220m alt. 2 hours ago	6°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
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	7°C	Clear	Calm (0 kph at 0).	16 km
Vancouver Airport 74 km S 218m alt. 2 hours ago	8°C	Clear	Calm (0 kph at 0).	16 km
Troutdale Airport 75 km S 218m alt. 2 hours ago	7°C	Clear	Light winds from the E (6 kph at 100).	16 km
Portland Airport 76 km S 218m alt. 2 hours ago	9°C	-	Calm (0 kph at 0).	16 km Low: few
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	4°C	Clear	Wind obs. (6 kph from 210 degs) was rejected.	16 km
Chehalis Central Airport 82 km WNW 54m alt. 45 minutes ago	4°C	Mist -.	Calm (0 kph at 0).	6 km Low: few
Johnsons Corner wx 88 km N 215m alt. 2 hours ago	7°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.