Mountain resort image
– Lat/Long: 48.71° N 121.99° W

UsSouth Twin Sister
Weather Forecast, United States

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Issued: 4pm Wed 29 Mar Local Time
Updates in: hr min s
Update imminent
Mountain icon 3 South Twin Sister Elevations: 3 Forecast Elevations:
 

South Twin Sister Weather (Days 0-3):

A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Wed afternoon, min -11°C on Sat morning). Winds increasing (calm on Wed afternoon, strong winds from the SSW by Fri afternoon).

(Days 3-6):

A heavy fall of snow, heaviest during Sat afternoon. Temperatures will be well below freezing (max -8°C on Tue morning, min -12°C on Sat night). Wind will be generally light.

Wed
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tue
4
PM night AM PM night AM PM night AM PM night AM PM night AM PM night AM
partially cloudy
partially cloudy
cloudy
cloudy
snow showers
light snow
moderate snow
heavy snow
heavy snow
moderate snow
moderate snow
snow showers
snow showers
partially cloudy
partially cloudy
light snow
partially cloudy
clear
some clouds some clouds cloudy cloudy snow shwrs light snow mod. snow heavy snow heavy snow mod. snow mod. snow snow shwrs snow shwrs some clouds some clouds light snow some clouds clear
Wind km/h
10
WSW
10
WSW
10
SW
10
SW
15
SW
30
S
50
SSW
25
SW
25
WSW
20
WSW
15
WSW
5
SSW
0
NNE
10
NNE
10
NNE
15
NNW
15
NE
15
N
Snow
 cm
- - - - 1 4 9 36 22 8 8 2 2 - - 2 - -
Rain
 mm
- - - - - - - - - - - - - - - - - -
Max °C
-2 -3 -6 -7 -7 -8 -8 -7 -11 -11 -11 -11 -10 -10 -10 -9 -9 -8
Min °C
-2 -5 -6 -7 -8 -9 -8 -10 -11 -11 -12 -12 -11 -10 -10 -9 -9 -8
 Feels °C
-6 -7 -11 -12 -12 -17 -19 -18 -19 -18 -18 -15 -14 -14 -16 -14 -15 -14
1800 1550 1200 1100 750 800 950 750 700 700 150 600 750 0 700 800 200 900
Sea lvl3000ft6000ft9000ft12000ft15000ft
-2-3-6-7-7-8-8-7-11-11-11-11-10-10-10-9-9-831-2-3-4-5-4-4-6-6-6-7-6-6-6-5-5-41176532321101201213
Sunrise
- - 6:50 - - 6:48 - - 6:46 - - 6:43 - - 6:41 - - 6:39
Sunset
7:32 - - 7:35 - - 7:36 - - 7:37 - - 7:38 - - 7:40 - -

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Wed afternoon, min -11°C on Sat morning). Winds increasing (calm on Wed afternoon, strong winds from the SSW by Fri afternoon).

South Twin Sister Weather (Days 3-6):

A heavy fall of snow, heaviest during Sat afternoon. Temperatures will be well below freezing (max -8°C on Tue morning, min -12°C on Sat night). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 2134 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South 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.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
19 km S
155m alt.
34 minutes ago
11° C
Dry
2
Calm
(2 kph at 48).
5
25 km WSW
198m alt.
41 minutes ago
10° C
Dry
2
Calm
(2 kph at 270).
3
25 km WNW
102m alt.
34 minutes ago
13° C
Dry
0
Calm
(0 kph at 199).
0
26 km NW
125m alt.
38 minutes ago
12° C
Dry
2
Calm
(2 kph at 45).
5
27 km WSW
99m alt.
57 minutes ago
12° C
Dry
0
Calm
(0 kph at 6).
3

* 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.