North Twin Sister
Weather Forecast, United States

True Summit, Mt. St. Helens, Mount Saint Helens

Mount Saint Helens

 

Days 0-3 North Twin Sister Weather Summary:

Mostly dry. Warm (max 27°C on Wed afternoon, min 15°C on Thu night). Wind will be generally light.

Days 3-6 North Twin Sister Weather Summary:

Mostly dry. Warm (max 29°C on Mon afternoon, min 16°C on Sat morning). Wind will be generally light.

AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Wind km/h
5 WSW5
10 W10
5 ESE5
5 WSW5
10 W10
5 SE5
5 WSW5
10 W10
5 ENE5
5 NW5
5 W5
5 ENE5
5 N5
10 NW10
10 ENE10
5 NE5
10 WNW10
5 E5
clear clear clear clear clear clear clear clear clear clear clear clear clear clear clear clear clear clear
See all weather maps
Rain
Rain mm
- - - - - - - - - - - - - - - - - -
Snow
Snow cm
- - - - - - - - - - - - - - - - - -
High °C
24 27 23 23 25 21 19 22 19 20 24 21 24 28 24 26 29 25
Low °C
21 26 18 19 25 15 16 22 15 16 23 18 20 27 19 20 29 21
Chill °C
24 27 23 23 25 21 19 22 19 20 24 21 24 28 24 26 29 25
Freezing level m
4250 4250 4150 4100 4100 4050 3950 4000 4200 4150 4200 4200 4100 4150 4200 4300 4350 4350
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop
14151512131391111101313141617151717171919151716111414121616172021182121242723232521192219202421242824262925
Sunrise
6:00 - - 6:01 - - 6:03 - - 6:05 - - 6:05 - - 6:07 - -
Sunset
- 8:22 - - 8:21 - - 8:19 - - 8:16 - - 8:15 - - 8:13 -

Issued local time.

This table gives the weather forecast for North Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of North Twin Sister. 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.WeatherWind
Cloud
Visibility
Cloud / Visibility
Lyman
20 km S
155m alt.
37 minutes ago
28° C
Dry
2
Calm
(2 kph at 249).
Bellingham
24 km WSW
198m alt.
1 hour ago
27° C
Dry
0
Calm
(0 kph at 225).
Deming
25 km WNW
102m alt.
47 minutes ago
30° C
Dry
2
Calm
(2 kph at 271).
Bellingham
29 km W
71m alt.
1 hour ago
31° C
Dry
3
Calm
(3 kph at 323).
Bellingham
31 km W
130m alt.
1 hour ago
30° C
Dry
3
Calm
(3 kph at 186).

* 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. We also include passing Ship data if it is recorded close to North Twin Sister and within an acceptable time window.

North Twin Sister Photos