– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 10 am Mon 21 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Mon 21 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Mild temperatures (max 9°C on Mon morning, min 2°C on Tue night). Mainly fresh winds.									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 5°C on Thu afternoon, min -5°C on Fri morning). Winds decreasing (gales from the SSW on Thu afternoon, calm by Sat morning).
	Monday 21			Tuesday 22			Wednesday 23			Thursday 24			Friday 25			Saturday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	clear	some clouds	cloudy	clear	some clouds	cloudy	cloudy	mod. snow	light snow	snow shwrs	some clouds	clear	some clouds	some clouds
Cloud base (m)	9250	5900	700		9400	7100	5450	8500	6400	3050	2750	700	750	950				4850
km/h	SW	WSW	W	W	W	W	WSW	WSW	SW	SSW	SSW	SW	WNW	NW	NW	SSW	S	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	10	1	1	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	9	8	7	4	5	3	3	4	5	4	5	1	-5	-3	1	3	5	4
min °C	9	8	5	4	4	2	3	4	4	4	4	-3	-5	-4	-3	2	4	1
chill °C	6	5	0	-1	-1	-4	-3	-1	-1	-1	-3	-11	-15	-13	-11	2	0	-6

Freezing level m	3900	3850	3800	3500	3300	3150	3200	3300	3400	3200	3200	2450	1750	2100	2550	3300	3200	3100

	6:52	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:58	—	—	7:00	—	—
	—	7:07	—	—	7:06	—	—	7:04	—	—	7:02	—	—	7:00	—	—	6:59	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Mostly dry. Mild temperatures (max 9°C on Mon morning, min 2°C on Tue night). Mainly fresh winds.

Mount Saint Helens Weather (Days 3-6):

A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 5°C on Thu afternoon, min -5°C on Fri morning). Winds decreasing (gales from the SSW 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. 3 hours ago	13°C	Dry and cloudy.	Light winds from the NNW (6 kph at 330).	16 km Low: 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 219m alt. 3 hours ago	14°C	Dry and cloudy.	Light winds from the NNW (7 kph at 340).	16 km Low: overcast
Vancouver Airport 74 km S 218m alt. 2 hours ago	14°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Troutdale Airport 75 km S 218m alt. 2 hours ago	14°C	Mist -.	Calm (0 kph at 0).	5 km Low: overcast
Portland Airport 76 km S 218m alt. 2 hours ago	14°C	Dry and cloudy.	Light winds from the NW (6 kph at 310).	13 km Low: scattered Mid: overcast
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	17°C	Clear	Calm (0 kph at 0).	16 km
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	12°C	Dry and cloudy.	Calm (0 kph at 0).	14 km Low: overcast
Johnsons Corner wx 88 km N 215m alt. 2 hours ago	13°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.