– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 4 pm Sun 20 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Sun 20 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 15°C on Sun afternoon, min 4°C on Tue night). Wind will be generally light.											Days 5–7 Weather Summary Mild with light rain (total 6mm) on Thu afternoon Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 8°C on Wed night, min -1°C on Thu night). Winds decreasing (strong winds from the W on Thu night, calm by Fri night).
	Sun 20		Monday 21			Tuesday 22			Wednesday 23			Thursday 24			Friday 25
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	some clouds	clear	clear	some clouds	some clouds	cloudy	some clouds	cloudy	mod. rain	light snow	some clouds	rain shwrs	some clouds
Cloud base (m)			9450	6200			2300	6900	5400	6600	6150	3000	2200	700	800	1650	6200
km/h	S	SSW	SW	W	WNW	W	WNW	WNW	WSW	WSW	S	S	SW	W	WNW	NW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	5	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	5	1	—	0.1	—
max °C	15	15	12	11	9	5	6	5	5	7	8	8	5	3	-1	2	4
min °C	15	13	11	10	6	5	6	4	5	7	7	7	3	-1	-1	1	3
chill °C	15	12	10	8	2	1	2	0	2	5	6	3	-2	-9	-9	-4	0

Freezing level m	4200	4050	3900	3900	3750	3400	3100	3050	3200	3350	3500	3050	2700	1950	1850	2750	3150

	—	—	6:52	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:58	—	—
	7:09	—	—	7:07	—	—	7:06	—	—	7:04	—	—	7:02	—	—	7:00	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Mostly dry. Very mild (max 15°C on Sun afternoon, min 4°C on Tue night). Wind will be generally light.

Mount Saint Helens Weather (Days 3-6):

Mild with light rain (total 6mm) on Thu afternoon Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 8°C on Wed night, min -1°C on Thu night). 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 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	22°C	Clear	Light winds from the NNW (13 kph at 330).	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. 3 hours ago	25°C	Clear	Light winds from the NNW (13 kph at 340).	16 km
Vancouver Airport 74 km S 218m alt. 3 hours ago	25°C	Clear	Light winds from the N.(Wind varies from 300 to 010 degs) (13 kph at 350).	16 km
Troutdale Airport 75 km S 218m alt. 3 hours ago	26°C	Clear	Light winds from the N (7 kph at 1).	16 km
Portland Airport 76 km S 218m alt. 3 hours ago	24°C	Clear	Light winds from the NW (13 kph at 310).	14 km
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	28°C	Clear	Calm (0 kph at 0).	16 km
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	21°C	Clear	Light winds from the NNW (6 kph at 330).	16 km
Johnsons Corner wx 88 km N 215m alt. 42 minutes ago	13°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.