– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 10 am Sun 20 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Sun 20 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. Very mild (max 11°C on Sun afternoon, min 2°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the W by Mon night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 5°C on Wed afternoon, min -4°C on Thu night). Winds decreasing (near gales from the WNW on Fri morning, calm by Fri night).
	Sunday 20			Monday 21			Tuesday 22			Wednesday 23			Thursday 24			Friday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	clear	clear	some clouds	some clouds	cloudy	some clouds	cloudy	light snow	heavy snow	snow shwrs	snow shwrs	some clouds
Cloud base (m)					6200			2250		6000	5800	6500	2900	2850	700	750	900	8900
km/h	SSE	S	SW	SW	WSW	W	W	WNW	W	WSW	WSW	SSW	SSW	SW	SW	NW	WNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	1	12	1	1	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	10	11	11	8	8	7	4	3	3	4	5	5	5	4	0	-4	-3	2
min °C	10	11	9	8	7	5	4	3	2	3	5	5	3	1	-4	-4	-4	-3
chill °C	10	10	6	5	4	0	-1	-3	-4	-2	1	1	-3	-6	-13	-14	-13	-10

Freezing level m	4200	4200	4000	3900	3850	3750	3400	3150	3050	3300	3350	3500	3100	2900	2350	1800	2100	2700

	6:52	—	—	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 11°C on Sun afternoon, min 2°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the W by Mon night).

Mount Saint Helens Weather (Days 3-6):

A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 5°C on Wed afternoon, min -4°C on Thu night). Winds decreasing (near gales from the WNW on Fri morning, 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	13°C	Dry and cloudy.	Light winds from the NNW (11 kph at 330).	16 km Low: overcast
BUOY-KLMW1 57 km SW 3m alt. 49 minutes ago
BUOY-LOPW1 60 km WSW 3m alt. 49 minutes ago
Scappoose Airport 72 km SSW 219m alt. 1 hour ago	16°C	Dry and partly cloudy.	Light winds from the N (13 kph at 10).	16 km Low: scattered
Vancouver Airport 74 km S 218m alt. 1 hour ago	15°C	Dry and cloudy.	Light winds from the N (6 kph at 1).	16 km Low: overcast
Troutdale Airport 75 km S 218m alt. 2 hours ago	14°C	Dry and cloudy.	Calm (0 kph at 0).	14 km Low: overcast
Portland Airport 76 km S 218m alt. 2 hours ago	14°C	Mist -.	Calm (0 kph at 0).	8 km Low: overcast
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 1 hour ago	19°C	Clear	Calm (0 kph at 0).	16 km
Chehalis Central Airport 82 km WNW 54m alt. 1 hour ago	12°C	Mist -.	Calm (0 kph at 0).	3 km Low: overcast
Johnsons Corner wx 88 km N 215m alt. 2 hours 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.