– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 10 pm Tue 29 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Tue 29 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 2mm), mostly falling on Tue night. Very mild (max 17°C on Thu afternoon, min 10°C on Tue night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 22°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light.
		Wednesday 30			Thursday 1			Friday 2			Saturday 3			Sunday 4
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	rain shwrs	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	700	750	6850	3600	6500	8400			2000				9450			7050
km/h	W	NW	NNW	W	WNW	WNW	NW	WNW	NW	N	ESE	ESE	ESE	ESE	S	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	2	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	11	11	14	13	15	17	14	15	17	14	17	20	17	19	22	19
min °C	10	10	13	12	13	16	13	13	16	13	14	20	17	17	22	17
chill °C	9	10	13	12	13	16	13	13	16	13	13	20	17	17	22	17

Freezing level m	3550	3450	3700	3650	3650	3700	3800	3800	4000	4100	4300	4350	4350	4350	4300	4200

	—	7:05	—	—	7:05	—	—	7:07	—	—	7:09	—	—	7:09	—	—
	—	—	6:51	—	—	6:49	—	—	6:46	—	—	6:45	—	—	6:43	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Light rain (total 2mm), mostly falling on Tue night. Very mild (max 17°C on Thu afternoon, min 10°C on Tue night). Wind will be generally light.

Mount Saint Helens Weather (Days 3-6):

Mostly dry. Warm (max 22°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light.

This table gives the weather forecast for Mount Saint Helens at the specific elevation of 1000 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	14°C	Dry and cloudy.	Calm (0 kph at 0).	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. 2 hours ago	15°C	Dry and cloudy.	Light winds from the N (6 kph at 1).	16 km Low: overcast
Vancouver Airport 74 km S 218m alt. 3 hours ago	16°C	Dry and cloudy.	Wind obs. (6 kph from 260 degs) was rejected.	16 km Low: broken Mid: overcast
Troutdale Airport 75 km S 218m alt. 3 hours ago	17°C	Dry and cloudy.	Wind obs. (6 kph from 250 degs) was rejected.	16 km Low: overcast
Portland Airport 76 km S 218m alt. 3 hours ago	16°C	Dry and cloudy.	Light winds from the W (6 kph at 280).	16 km Low: few Mid: overcast
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	17°C	Dry and cloudy.	Light winds from the WNW (17 kph at 300).	16 km Low: overcast
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	10°C	Mist -.	Calm (0 kph at 0).	1 km Low: broken
Johnsons Corner wx 88 km N 215m alt. 42 minutes 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.