– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens
Weather Forecast, United States
Issued: 4 pm Sat 29 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 29 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 14°C on Mon afternoon, min 3°C on Sat afternoon). Winds decreasing (fresh winds from the NW on Sat night, calm by Sun night).											Days 5–7 Weather Summary Heavy rain (total 24mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Wed night. Very mild (max 10°C on Tue afternoon, min 1°C on Wed night). Winds decreasing (strong winds from the SSW on Wed afternoon, calm by Thu night).
	Sat 29		Sunday 30			Monday 31			Tuesday 1			Wednesday 2			Thursday 3
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	some clouds	clear	clear	clear	clear	some clouds	some clouds	some clouds	light rain	light rain	mod. rain	light snow	some clouds	rain shwrs	rain shwrs
Cloud base (m)	1900	800	850	5500	9050		8700	5500	5550	2250	850	750	700	700	750	1700	2450
km/h	WNW	NW	NNW	NNW	WNW	SSE	SSW	SW	SSW	WSW	SW	SSW	SSW	SW	SW	SSW	SE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	4	—	—	—
mm	0.7	0.2	—	—	—	—	—	—	—	—	0.6	1.3	6	14	—	1.5	0.8
max °C	4	3	5	9	11	12	14	13	9	10	6	3	3	3	1	4	6
min °C	3	3	3	8	8	11	14	11	9	9	4	3	3	1	1	3	4
chill °C	-2	-3	-1	5	5	11	13	10	8	7	0	-2	-3	-4	-3	0	3

Freezing level m	2550	3300	3600	3800	3950	3900	3950	3900	3650	3450	2950	2550	2550	2350	2250	2500	2750

	—	—	6:26	—	—	6:26	—	—	6:28	—	—	6:28	—	—	6:31	—	—
	7:52	—	—	7:51	—	—	7:49	—	—	7:46	—	—	7:45	—	—	7:44	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Mostly dry. Very mild (max 14°C on Mon afternoon, min 3°C on Sat afternoon). Winds decreasing (fresh winds from the NW on Sat night, calm by Sun night).

Mount Saint Helens Weather (Days 3-6):

Heavy rain (total 24mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Wed night. Very mild (max 10°C on Tue afternoon, min 1°C on Wed night). Winds decreasing (strong winds from the SSW on Wed afternoon, calm by Thu 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	21°C	Dry and partly cloudy.	Light winds from the NNW (19 kph at 330).	16 km Low: scattered Mid: broken
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	22°C	Dry and cloudy.	Light winds from the WNW (15 kph at 300).	16 km Low: few Mid: overcast
Vancouver Airport 74 km S 218m alt. 3 hours ago	22°C	Dry and partly cloudy.	Light winds from the WNW (11 kph at 300).	16 km Low: scattered Mid: broken
Troutdale Airport 75 km S 218m alt. 3 hours ago	22°C	Dry and partly cloudy.	Light winds from the N (7 kph at 1).	16 km Low: scattered
Portland Airport 76 km S 218m alt. 3 hours ago	22°C	Dry and partly cloudy.	Light winds from the WNW (15 kph at 300).	16 km Low: few Mid: scattered High: broken
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	21°C	Dry and partly cloudy.	Light winds from the WNW (7 kph at 290).	16 km Low: scattered Mid: broken
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	20°C	-	Light winds from the NW.(Wind varies from 280 to 350 degs) (13 kph at 310).	16 km Low: few
Johnsons Corner wx 88 km N 215m alt. 1 hour ago	15°C	Dry	Calm (2 kph at 90).

* 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.