– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens
Weather Forecast, United States
Issued: 10 am Sat 29 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 29 Aug Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 14°C on Mon afternoon, min 1°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat afternoon, calm by Sun night).									Days 4–6 Weather Summary Heavy rain (total 33mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 9°C on Tue morning, min 0°C on Wed night). Winds decreasing (strong winds from the SW on Wed afternoon, light winds from the SSW by Thu night).
	Saturday 29			Sunday 30			Monday 31			Tuesday 1			Wednesday 2			Thursday 3
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	rain shwrs	rain shwrs	cloudy	some clouds	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)	850	2000	750	900	5050	8700	9350		5050		2000	700	700	650	700	750	1500	1900
km/h	WNW	WNW	NW	NNW	NNW	WNW	S	SSW	SW	SW	WSW	SW	SSW	SW	WSW	WSW	WSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4	—	—	—
mm	—	0.5	0.2	—	—	—	—	—	—	—	—	0.8	1.3	8	21	—	0.7	0.7
max °C	2	4	3	5	8	10	12	14	13	9	9	7	3	4	3	0	2	2
min °C	1	3	3	3	7	8	11	14	11	8	8	4	3	3	0	0	1	2
chill °C	-5	-3	-3	-1	4	5	11	14	9	6	5	0	-2	-3	-5	-5	-4	-2

Freezing level m	2250	2500	3250	3550	3700	3850	3900	3950	3900	3650	3450	3000	2600	2800	2250	2100	2300	2300

	6:24	—	—	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 1°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat afternoon, calm by Sun night).

Mount Saint Helens Weather (Days 3-6):

Heavy rain (total 33mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 9°C on Tue morning, min 0°C on Wed night). Winds decreasing (strong winds from the SW on Wed afternoon, light winds from the SSW 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. 2 hours ago	17°C	Dry and partly cloudy.	Light winds from the W (7 kph at 280).	16 km Low: scattered Mid: scattered High: 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. 2 hours ago	18°C	Dry and cloudy.	Light winds from the WSW (6 kph at 240).	16 km Low: broken Mid: overcast
Vancouver Airport 74 km S 218m alt. 2 hours ago	17°C	Dry and partly cloudy.	Light winds from the WSW (7 kph at 250).	16 km Low: scattered Mid: broken
Troutdale Airport 75 km S 218m alt. 2 hours ago	18°C	-	Light winds from the SW (11 kph at 230).	16 km Low: few
Portland Airport 76 km S 218m alt. 2 hours ago	17°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: broken High: broken
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 1 hour ago	18°C	Dry and partly cloudy.	Light winds from the WNW (7 kph at 290).	16 km Low: scattered Mid: scattered
Chehalis Central Airport 82 km WNW 54m alt. 43 minutes ago	17°C	Light rain .	Light winds from the N (6 kph at 1).	14 km Low: few Mid: scattered High: broken
Johnsons Corner wx 88 km N 215m alt. 3 hours 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.