– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 4 pm Thu 24 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Thu 24 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 30mm), heaviest during Fri afternoon. Very mild (max 17°C on Thu afternoon, min 4°C on Fri night). Winds decreasing (fresh winds from the W on Fri afternoon, calm by Sun morning).											Days 5–7 Weather Summary Light rain (total 5mm), mostly falling on Tue night. Very mild (max 14°C on Sun afternoon, min 5°C on Tue night). Wind will be generally light.
	Thu 24		Friday 25			Saturday 26			Sunday 27			Monday 28			Tuesday 29
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	mod. rain	mod. rain	rain shwrs	light rain	some clouds	some clouds	some clouds	clear	clear	some clouds	some clouds	some clouds	some clouds	light rain	light rain	light rain
Cloud base (m)	3500	650	750	700	850	850		4450	5650		6300	6400	3350	2400	1950	800	750
km/h	S	S	SSW	WNW	WNW	N	N	E	SE	NW	NW	WNW	WNW	WSW	SW	WSW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	9	8	13	0.9	—	—	—	—	—	—	—	—	—	0.1	2	2
max °C	17	13	8	6	5	7	11	10	11	14	9	10	12	11	10	9	8
min °C	16	10	7	6	4	4	11	9	9	12	8	8	11	10	9	9	5
chill °C	15	7	2	1	2	2	10	8	9	11	7	7	10	9	6	6	2

Freezing level m	3500	2750	2300	1950	1750	2200	2650	2750	2800	2950	2950	2900	3150	3350	3150	3000	2100

	—	—	6:58	—	—	7:00	—	—	7:01	—	—	7:01	—	—	7:03	—	—
	7:02	—	—	7:00	—	—	6:59	—	—	6:57	—	—	6:54	—	—	6:52	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Heavy rain (total 30mm), heaviest during Fri afternoon. Very mild (max 17°C on Thu afternoon, min 4°C on Fri night). Winds decreasing (fresh winds from the W on Fri afternoon, calm by Sun morning).

Mount Saint Helens Weather (Days 3-6):

Light rain (total 5mm), mostly falling on Tue night. Very mild (max 14°C on Sun afternoon, min 5°C on Tue 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	20°C	Dry and partly cloudy.	Light winds from the SE (7 kph at 140).	16 km Low: scattered
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. 2 hours ago	21°C	Clear	Light winds from the S (11 kph at 190).	16 km
Vancouver Airport 74 km S 218m alt. 2 hours ago	22°C	Clear	Light winds from the SSE (7 kph at 150).	16 km
Troutdale Airport 75 km S 218m alt. 2 hours ago	23°C	Clear	Light winds from the SSW (9 kph at 200).	16 km
Portland Airport 76 km S 218m alt. 2 hours ago	22°C	Dry and cloudy.	Light winds from the SSW (9 kph at 200).	16 km Low: broken Mid: overcast
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 1 hour ago	18°C	Clear	Wind obs. (7 kph from 200 degs) was rejected.	16 km
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	18°C	-	Light winds from the NNE (13 kph at 20).	16 km Low: few
Johnsons Corner wx 88 km N 215m alt. 56 minutes 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.