– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 10 pm Sun 18 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sun 18 Oct Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Tue night, min 0°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun night, light winds from the SSE by Mon night).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Wed night, min -5°C on Thu night). Winds increasing (calm on Wed night, near gales from the NW by Thu night).
		Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	some clouds	cloudy	some clouds	clear	some clouds	clear	clear	clear	clear	some clouds	clear	clear	clear	clear
Cloud base (m)	4950	4900		6050	7500	8650		9000	4700	3800	3550	3200	850	850	950
km/h	SW	SSW	S	ESE	SE	SSE	SW	S	SSW	SW	W	WNW	WNW	NW	NNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	0	1	2	2	4	6	5	5	5	2	0	-3	-3	-1	3
min °C	0	0	1	0	2	3	5	5	5	3	1	-1	-5	-5	-2	0
chill °C	-6	-6	-4	-3	-3	-2	2	2	2	1	-4	-8	-16	-16	-11	-6

Freezing level m	3100	2450	2700	2750	3000	3100	3300	3250	3200	3100	2700	2200	1300	1350	2000	3050

	—	7:30	—	—	7:31	—	—	7:33	—	—	7:35	—	—	7:35	—	—
	—	—	6:15	—	—	6:14	—	—	6:12	—	—	6:09	—	—	6:07	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Mostly dry. Freeze-thaw conditions (max 6°C on Tue night, min 0°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun night, light winds from the SSE by Mon night).

Mount Saint Helens Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Wed night, min -5°C on Thu night). Winds increasing (calm on Wed night, near gales from the NW by Thu 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. 3 hours ago	10°C	Clear	Light winds from the SSE (6 kph at 150).	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	12°C	-	Light winds from the NNW (7 kph at 330).	16 km Low: few
Vancouver Airport 74 km S 218m alt. 3 hours ago	12°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
Troutdale Airport 75 km S 218m alt. 3 hours ago	10°C	Dry and partly cloudy.	Wind obs. (6 kph from 70 degs) was rejected.	16 km Low: scattered
Portland Airport 76 km S 218m alt. 3 hours ago	13°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: scattered High: broken
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	8°C	Clear	Calm (0 kph at 0).	16 km
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	9°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
Hillsbor / ortland Airport 94 km SSW 218m alt. 3 hours ago	10°C	Clear	Calm (0 kph at 0).	16 km

* 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.