– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens Weather Forecast

Cascade Range · United States

Issued: 4 am Sun 20 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Sun 20 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 22°C on Sun afternoon, min 8°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 5mm), mostly falling on Thu night. Very mild (max 13°C on Wed afternoon, min 4°C on Thu night). Wind will be generally light.
	Sunday 20			Monday 21			Tuesday 22			Wednesday 23			Thursday 24			Friday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	clear	clear	some clouds	clear	some clouds	clear	cloudy	light rain	light rain	light rain	rain shwrs	rain shwrs
Cloud base (m)				8850	6300				7100	8500		6650	3400	2050	700	700	900	900
km/h	SSE	WNW	S	W	NW	NW	NW	NW	WNW	W	WNW	WNW	NNW	NW	WNW	WNW	WNW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	0.6	1.7	0.8	1.6	0.3
max °C	20	22	19	17	17	13	11	13	9	11	13	11	12	12	6	4	6	5
min °C	17	21	16	16	15	10	9	12	8	9	13	10	11	8	4	4	6	4
chill °C	17	21	16	16	15	9	7	10	7	9	13	10	11	8	1	1	2	2

Freezing level m	4200	4200	4000	3900	3900	3750	3450	3050	2750	3250	3300	3200	3050	2500	2000	1700	1900	1750

	6:52	—	—	6:52	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:58	—	—
	—	7:09	—	—	7:07	—	—	7:06	—	—	7:04	—	—	7:02	—	—	7:00	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: Mostly dry. Warm (max 22°C on Sun afternoon, min 8°C on Tue night). Wind will be generally light.

Mount Saint Helens Weather (Days 3-6):

Light rain (total 5mm), mostly falling on Thu night. Very mild (max 13°C on Wed afternoon, min 4°C on Thu 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. 3 hours ago	12°C	Dry and cloudy.	Light winds from the NNW (6 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	11°C	Clear	Calm (0 kph at 0).	16 km
Vancouver Airport 74 km S 218m alt. 3 hours ago	11°C	Clear	Calm (0 kph at 0).	16 km
Troutdale Airport 75 km S 218m alt. 3 hours ago	10°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
Portland Airport 76 km S 218m alt. 3 hours ago	14°C	Clear	Calm (0 kph at 0).	13 km
Ken Jernstedt Airfield - Hood River (Oregon) 78 km SE 195m alt. 2 hours ago	8°C	Clear	Light winds from the SSW (9 kph at 200).	16 km
Chehalis Central Airport 82 km WNW 54m alt. 2 hours ago	10°C	Fog -.	Calm (0 kph at 0).	0 km Low: overcast
Johnsons Corner wx 88 km N 215m alt. 2 hours ago	9°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.