– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 10 am Wed 23 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Wed 23 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 31mm), heaviest during Fri morning. Very mild (max 17°C on Thu afternoon, min 4°C on Fri night). Winds increasing (calm on Wed night, strong winds from the SSW by Thu night).									Days 4–6 Weather Summary Mostly dry. Very mild (max 14°C on Sun afternoon, min 5°C on Sat morning). Wind will be generally light.
	Wednesday 23			Thursday 24			Friday 25			Saturday 26			Sunday 27			Monday 28
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	clear	some clouds	some clouds	cloudy	rain shwrs	heavy rain	heavy rain	rain shwrs	some clouds	some clouds	cloudy	some clouds	clear	clear	clear	clear	some clouds
Cloud base (m)	2250	2150	6800	5350	3500	650	700	700	1000	1550	1600	6550	5600			7150	6200	5900
km/h	WNW	NW	ESE	SSE	S	S	SSW	W	W	NNW	N	E	E	NNW	NNW	NW	NW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	4	12	13	1.6	—	—	—	—	—	—	—	—	—
max °C	12	13	13	16	17	13	6	6	5	6	10	9	11	14	10	11	13	11
min °C	10	13	10	14	16	7	5	6	4	5	9	8	9	13	9	9	13	10
chill °C	10	13	10	13	15	2	-1	1	2	2	7	7	8	12	8	8	12	9

Freezing level m	3350	3350	3550	3600	3500	2850	1950	1900	1700	2150	2700	2850	2850	3050	3100	3400	3500	3550

	6:56	—	—	6:56	—	—	6:58	—	—	7:00	—	—	7:01	—	—	7:01	—	—
	—	7:04	—	—	7:02	—	—	7:00	—	—	6:59	—	—	6:57	—	—	6:54	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Heavy rain (total 31mm), heaviest during Fri morning. Very mild (max 17°C on Thu afternoon, min 4°C on Fri night). Winds increasing (calm on Wed night, strong winds from the SSW by Thu night).

Mount Saint Helens Weather (Days 3-6):

Mostly dry. Very mild (max 14°C on Sun afternoon, min 5°C on Sat morning). 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	18°C	Dry and cloudy.	Light winds from the NNW (9 kph at 340).	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. 3 hours ago	19°C	Dry and cloudy.	Light winds from the NNW (11 kph at 340).	16 km Low: overcast
Vancouver Airport 74 km S 218m alt. 3 hours ago	21°C	Clear	Wind obs. (7 kph from 290 degs) was rejected.	16 km
Troutdale Airport 75 km S 218m alt. 2 hours ago	20°C	Clear	Wind obs. (9 kph from 250 degs) was rejected.	16 km
Portland Airport 76 km S 218m alt. 3 hours ago	20°C	-	Light winds from the W (13 kph at 280).	16 km Low: few Mid: few High: broken
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	22°C	Clear	Light winds from the NW (11 kph at 310).	16 km
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	18°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: few Mid: overcast
Johnsons Corner wx 88 km N 215m alt. 46 minutes ago	15°C	Dry	Calm (2 kph at 23).

* 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.