– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens
Weather Forecast, United States
Issued: 3 am Thu 18 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 18 Dec Local Time

Updates in:

hr min s

Update imminent

3 Mount Saint Helens Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Thu morning. Becoming milder with heavy rain (total 54mm) on Thu afternoon. Freeze-thaw conditions (max 7°C on Thu afternoon, min -3°C on Thu night). Winds decreasing (fresh winds from the SW on Thu afternoon, light winds from the S by Sat night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 1°C on Sun afternoon, min -1°C on Sun night). Wind will be generally light.
	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	heavy rain	mod. snow	mod. snow	light snow	mod. snow	light snow	light snow	light snow	light snow	light snow	mod. snow	light snow	light snow	mod. snow	light snow	cloudy	some clouds
km/h	SSE	SW	WNW	WSW	W	SW	SW	SSW	S	S	SSW	WSW	S	S	SSW	SSW	SSE	ESE
See all weather maps
cm	5	—	6	6	5	10	3	2	2	1	5	6	2	1	8	2	—	—
mm	11	29	14	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	3	7	3	-1	-1	-1	0	0	0	0	1	-1	0	0	0	-1	-1	1
min°C	1	5	-3	-2	-1	-1	0	0	-1	0	0	-1	0	0	-1	-1	-1	0
chill°C	-4	0	-8	-8	-8	-7	-5	-5	-6	-5	-4	-6	-5	-5	-5	-4	-1	-2

Freezing level (m)	1150	2300	1000	750	800	850	900	950	900	1000	1100	900	950	950	950	850	850	1200
Cloud base (m)	650	600	650	700	700	700	700	700	700	650	650	700	700	650	650	700	650	700

	7:46	—	—	7:47	—	—	7:47	—	—	7:48	—	—	7:48	—	—	7:48	—	—
	—	4:23	—	—	4:23	—	—	4:23	—	—	4:24	—	—	4:24	—	—	4:25	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: A heavy fall of snow, heaviest during Thu morning. Becoming milder with heavy rain (total 54mm) on Thu afternoon. Freeze-thaw conditions (max 7°C on Thu afternoon, min -3°C on Thu night). Winds decreasing (fresh winds from the SW on Thu afternoon, light winds from the S by Sat night).

Mount Saint Helens Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 1°C on Sun afternoon, min -1°C on Sun 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
BUOY-KLMW1 56 km SW 3m alt. 2 hours ago
Kelso Longveiw Airport 56 km WSW 220m alt. 3 hours ago	6° C	Moderate rain .	Light winds from the SSE (7 kph at 160).	10 km Mid: few High: broken
BUOY-LOPW1 60 km WSW 3m alt. 2 hours ago
SHIP2768 72 km WSW 15m alt. 3 hours ago				- km
Scappoose Airport 72 km SSW 219m alt. 3 hours ago	6° C	Light rain .	Light winds from the SSE (7 kph at 160).	8 km Mid: overcast
Scappoose Airport 72 km SSW 219m alt. 3 hours ago	6° C	Light rain .	Light winds from the SSE (7 kph at 160).	8 km Mid: overcast
SHIP4851 72 km WSW 3m alt. 4 hours ago	6° C
SHIP5190 72 km WSW 3m alt. 3 hours ago	6° C
SHIP5742 72 km WSW 3m alt. 2 hours ago	5° C
SHIP3715 72 km WSW 15m alt. 3 hours ago				- km

* 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.