Mount Saint Helens weather
– Lat/Long: 46.20° N 122.18° W

Mount Saint Helens
Weather Forecast, United States

Issued: 10 am Tue 18 Mar Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 3°C on Wed morning, min -3°C on Tue morning). Winds increasing (light winds from the WNW on Tue morning, fresh winds from the SSW by Wed night).

Days 4–6 Weather Summary

A moderate fall of snow heaviest on Fri morning. Turning milder with heavy rain (total 22mm), heaviest during Sun afternoon. Freeze-thaw conditions (max 6°C on Sun night, min -1°C on Fri night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sat night).

Days 7–9 Weather Summary

Light rain (total 9mm), mostly falling on Wed night. Very mild (max 12°C on Tue afternoon, min 2°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

A light covering of new snow mostly falling on Thu morning. Freeze-thaw conditions (max 2°C on Thu morning, min 0°C on Thu night). Winds decreasing (fresh winds from the SW on Thu afternoon, calm by Sat night).

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
light rain
light rain
heavy snow
mod snow
light snow
mod snow
light snow
light snow
light snow
part cloud
cloud
light rain
mod rain
mod rain
light rain
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
cloud
light rain
rain showers
light snow
snow showers
light snow
light snow
cloud
light snow
cloud
cloud
cloud
cloudy
cloudy
cloudy
light rain
light rain
heavy snow
mod. snow
light snow
mod. snow
light snow
light snow
light snow
some clouds
cloudy
light rain
mod. rain
mod. rain
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
cloudy
light rain
rain shwrs
light snow
snow shwrs
light snow
light snow
cloudy
light snow
cloudy
cloudy
cloudy
 km/h
10
W
10
SW
15
S
15
SE
20
SE
25
SW
20
WSW
15
SW
25
SSW
30
SW
25
SW
15
W
10
W
5
W
15
SSW
15
SSW
10
WSW
10
SW
10
N
10
N
5
E
15
ESE
10
SE
15
S
15
S
15
SSW
25
SSW
35
SSW
25
WSW
10
SSW
10
SSW
10
SSW
10
SSW
10
SSW
10
WSW
10
SSW
 cm 
11
9
3
10
5
4
1.0
2.0
2.0
2.0
1.0
1.0
 mm 
0.1
0.5
4
5
9
3
0.4
0.3
0.1
0.1
0.4
0.1
0.2
8
max°C
-1
0
0
3
3
1
-1
0
0
1
2
0
0
2
4
4
5
6
8
10
10
11
12
12
11
11
8
2
1
0
0
2
1
0
2
1
min°C
-3
0
0
1
2
-1
-1
0
0
1
2
-1
-1
1
1
4
5
5
6
9
9
10
12
10
10
10
2
1
1
0
0
1
0
0
1
0
chill°C 
-7
-3
-3
-3
-3
-7
-7
-5
-5
-5
-3
-5
-5
-2
1
1
2
3
5
7
8
8
11
8
9
8
-3
-6
-6
-4
-4
-2
-3
-3
-2
-2
Freezing level (m
850
1000
1000
1600
1300
800
900
1000
1000
1250
1300
1000
1050
1250
1800
2200
2350
2700
2900
3150
3400
3450
3450
3350
3050
2850
1850
1200
1100
1000
1000
1200
1000
1000
1200
1100
Cloud base (m)
750
750
750
2300
1850
700
700
700
700
700
700
700
700
750
700
700
700
750
750
750
700
700
700
700
700
1700
700
750
700
700
700
700
700
700
700
700
Sea lvl1000m2000m3000m4000m5000m
-13-11-8-7-7-10-11-10-8-8-8-10-8-6-4-2-1113555532-4-9-10-10-10-10-10-10-9-9-9-7-5-4-3-7-8-7-5-5-5-6-6-4-211345788865-1-6-6-7-7-6-6-7-6-6-200230-10012-1-1234567101011121111115210021021
Sunrise
7:16
7:13
7:11
7:09
7:07
7:05
7:03
7:01
7:00
6:58
6:56
6:54
Sunset
7:17
7:19
7:20
7:22
7:22
7:23
7:25
7:27
7:28
7:30
7:30
7:32

Mount Saint Helens Weather (Days 0-3):

The weather forecast for Mount Saint Helens is: A heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 3°C on Wed morning, min -3°C on Tue morning). Winds increasing (light winds from the WNW on Tue morning, fresh winds from the SSW by Wed night).

Mount Saint Helens Weather (Days 3-6):

A moderate fall of snow heaviest on Fri morning. Turning milder with heavy rain (total 22mm), heaviest during Sun afternoon. Freeze-thaw conditions (max 6°C on Sun night, min -1°C on Fri night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sat night).

Mount Saint Helens Weather (Days 6-9):

Light rain (total 9mm), mostly falling on Wed night. Very mild (max 12°C on Tue afternoon, min 2°C on Wed 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 StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
41 km S
213m alt.
51 minutes ago
7° C
Dry
Wind obs. (8 kph from 249 degs) was rejected.
47 km SSW
248m alt.
1 hour ago
8° C
Dry
0
Calm
(0 kph at 268).
2
51 km S
127m alt.
1 hour ago
8° C
Dry
Wind obs. (6 kph from 119 degs) was rejected.
51 km SSW
94m alt.
54 minutes ago
9° C
Dry
3
Calm
(3 kph at 93).
5
53 km S
105.5m alt.
1 hour ago
9° C
Dry
Wind obs. (8 kph from 142 degs) was rejected.
53 km SW
270m alt.
1 hour ago
7° C
Dry
5
Calm
(5 kph at 134).
14
54 km S
164m alt.
1 hour ago
8° C
Dry
2
Calm
(2 kph at 233).
3
55 km S
91m alt.
1 hour ago
8° C
Dry
0
Calm
(0 kph at 165).
6
55 km S
93m alt.
1 hour ago
8° C
Dry
0
Calm
(0 kph at 169).
6
Kelso Longveiw Airport
56 km WSW
220m alt.
3 hours ago
7° C
cloudy
Dry and cloudy.
11
Light winds from the S
(11 kph at 180).
16 km
Low: few
Mid: broken
High: overcast

* 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.

Mount Saint Helens Photos