– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens
Weather Forecast, United States
Issued: 9 am Sat 20 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sat 20 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 Mon afternoon. Freeze-thaw conditions (max 1°C on Sun morning, min -1°C on Sun night). Winds increasing (light winds from the SSE on Sat night, strong winds from the S by Mon afternoon).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Thu morning, min 0°C on Tue morning). Winds increasing (calm on Wed morning, strong winds from the ESE by Thu morning).
	Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. snow	light snow	cloudy	cloudy	light snow	mod. snow	light snow	mod. snow	heavy snow	cloudy	cloudy	cloudy	cloudy	some clouds	some clouds	rain shwrs	light rain	snow shwrs
km/h	SW	SSW	S	SSE	S	WSW	S	S	SSW	SSE	SE	E	ESE	ESE	ESE	ESE	ESE	S
See all weather maps
cm	6	3	—	—	3	7	2	7	11	—	—	—	—	—	—	—	—	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	0.1	0.4
max °C	0	0	0	1	1	0	0	1	0	0	1	2	1	2	2	4	3	2
min °C	0	0	0	1	1	-1	-1	0	0	0	0	0	1	1	1	3	3	1
chill °C	-5	-5	-4	-2	-3	-6	-8	-5	-5	-4	-3	0	-1	-1	-5	-4	-2	-3

Freezing level m	950	1050	950	1300	1150	950	900	1100	1000	950	1050	1100	1200	1200	1650	1750	1600	1250
Cloud base (m)	700	700	650	700	700	700	700	650	650	700	650	750	650	650	650	1950	750	700

	7:47	—	—	7:48	—	—	7:48	—	—	7:48	—	—	7:48	—	—	7:50	—	—
	—	4:23	—	—	4:24	—	—	4:24	—	—	4:25	—	—	4:27	—	—	4:27	—

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 1°C on Sun morning, min -1°C on Sun night). Winds increasing (light winds from the SSE on Sat night, strong winds from the S by Mon afternoon).

Mount Saint Helens Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 4°C on Thu morning, min 0°C on Tue morning). Winds increasing (calm on Wed morning, strong winds from the ESE by Thu morning).

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
SHIP4268 53 km SW 15m alt. 3 hours ago				- km
BUOY-KLMW1 56 km SW 3m alt. 1 hour ago
Kelso Longveiw Airport 56 km WSW 220m alt. 2 hours ago	7° C	Dry and cloudy.	Moderate winds from the SSE (22 kph at 150).	16 km Low: few Mid: scattered High: overcast
BUOY-LOPW1 60 km WSW 3m alt. 1 hour ago
Scappoose Airport 72 km SSW 219m alt. 2 hours ago	7° C	Dry and cloudy.	Light winds from the S (11 kph at 170).	16 km Low: few Mid: broken High: overcast
SHIP3053 53 km SW 15m alt. 3 hours ago				- km
Kelso Longveiw Airport 56 km WSW 220m alt. 2 hours ago	7° C	Dry and cloudy.	Moderate winds from the SSE (22 kph at 150).	16 km Low: few Mid: scattered High: overcast
BUOY-KLMW1 57 km SW 3m alt. 1 hour ago
BUOY-LOPW1 60 km WSW 3m alt. 1 hour ago
SHIP3741 65 km SSW 15m alt. 2 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.