– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens
Weather Forecast, United States
Issued: 10 pm Tue 18 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 18 Aug Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 18°C on Fri morning, min 12°C on Tue night). Winds increasing (light winds from the WSW on Wed morning, fresh winds from the SSW by Fri afternoon).										Days 5–7 Weather Summary Some drizzle, heaviest during Fri night. Very mild (max 18°C on Mon afternoon, min 8°C on Sat morning). Winds decreasing (fresh winds from the SSW on Fri night, calm by Sun night).
		Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	some clouds	clear	clear	some clouds	cloudy	cloudy	rain shwrs	rain shwrs	clear	clear	clear	clear	clear
Cloud base (m)			7000	6950			9000	5800		3650	700		700
km/h	WNW	WSW	W	WSW	WSW	WSW	SW	S	SSW	SSW	SW	W	WNW	WNW	WNW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	1.2	0.2	—	—	—	—	—
max °C	14	13	16	15	15	17	17	18	17	16	9	10	9	9	13	15
min °C	12	13	15	14	14	16	16	17	17	11	8	9	8	9	12	12
chill °C	11	12	15	13	14	16	16	16	16	9	5	6	5	7	12	11

Freezing level m	4600	4450	4450	4500	4500	4550	4600	4450	4300	4000	3550	3700	4000	4100	4200	4350

	—	6:11	—	—	6:13	—	—	6:13	—	—	6:16	—	—	6:16	—	—
	—	—	—	8:10	—	—	8:08	—	—	8:07	—	—	8:06	—	—	8:04

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Mostly dry. Very mild (max 18°C on Fri morning, min 12°C on Tue night). Winds increasing (light winds from the WSW on Wed morning, fresh winds from the SSW by Fri afternoon).

Mount Saint Helens Weather (Days 3-6):

Some drizzle, heaviest during Fri night. Very mild (max 18°C on Mon afternoon, min 8°C on Sat morning). Winds decreasing (fresh winds from the SSW on Fri night, calm by Sun night).

This table gives the weather forecast for Mount Saint Helens at the specific elevation of 2000 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	16° C	Dry and cloudy.	Light winds from the NNW (11 kph at 340).	16 km Low: overcast
BUOY-KLMW1 57 km SW 3m alt. 2 hours ago
BUOY-LOPW1 60 km WSW 3m alt. 2 hours ago
Scappoose Airport 72 km SSW 219m alt. 3 hours ago	16° C	Clear	Light winds from the N (13 kph at 10).	16 km
Vancouver Airport 74 km S 218m alt. 3 hours ago	17° C	Clear	Light winds from the NW (9 kph at 320).	16 km
Troutdale Airport 75 km S 218m alt. 3 hours ago	17° C	Clear	Calm (0 kph at 0).	16 km
Portland Airport 76 km S 218m alt. 3 hours ago	17° C	-	Light winds from the NW (7 kph at 320).	16 km Low: few
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	17° C	Clear	Wind obs. (7 kph from 180 degs) was rejected.	16 km
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	12° C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: few Mid: broken
Johnsons Corner wx 88 km N 215m alt. 1 hour 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.