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

South Twin Sister
Weather Forecast, United States

Issued: 9 am Wed 26 Nov Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Wed night. Temperatures will be below freezing (max -1°C on Wed afternoon, min -4°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

A light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 1°C on Sun night, min -5°C on Sat morning). Winds increasing (calm on Sat night, fresh winds from the W by Mon night).

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
light snow
light snow
light snow
part cloud
clear
part cloud
cloud
mod snow
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
light snow
cloudy
cloudy
light snow
light snow
light snow
some clouds
clear
some clouds
cloudy
mod. snow
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
light snow
 km/h
10
W
10
SW
20
SSW
25
SSW
15
SSW
5
NNE
10
NNE
5
WNW
10
SW
5
W
10
NE
5
NE
15
WNW
15
WNW
15
NNW
20
WNW
5
N
20
W
 cm 
4
3
3
6
1
 mm 
max°C
-2
-1
-1
-1
-2
-2
-1
-1
-1
-4
-4
-3
-3
-1
1
0
0
-1
min°C
-2
-1
-2
-1
-2
-3
-1
-1
-4
-5
-5
-3
-3
-3
0
-1
0
-3
chill°C 
-6
-4
-9
-7
-7
-6
-5
-1
-7
-7
-9
-7
-8
-8
-5
-5
0
-10
Freezing level (m
1500
1700
1800
1800
1800
1650
2000
1900
1800
1300
1250
1350
1450
1500
1300
1350
1450
1500
Cloud base (m)
600
700
1850
600
550
600
8900
800
700
600
650
600
750
600
600
2000
1700
Sea lvl1000m2000m3000m4000m5000m
-2-1-2-1-2-3-1-1-3-5-5-3-3-21-10-2022221221-1-2-100-1-100766665865442543544
Sunrise
7:31
7:33
7:35
7:37
7:37
7:39
Sunset
4:16
4:15
4:15
4:15
4:14
4:14

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: A moderate fall of snow, heaviest on Wed night. Temperatures will be below freezing (max -1°C on Wed afternoon, min -4°C on Fri night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

A light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 1°C on Sun night, min -5°C on Sat morning). Winds increasing (calm on Sat night, fresh winds from the W by Mon night).

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
22 km WSW
94m alt.
1 hour ago
8° C
Dry
5
Calm
(5 kph at 250).
8
25 km WNW
102m alt.
43 minutes ago
7° C
Dry
0
Calm
(0 kph at 172).
0
25 km WSW
198m alt.
54 minutes ago
7° C
Dry
0
Calm
(0 kph at 22).
0
26 km NW
125m alt.
36 minutes ago
7° C
Dry
0
Calm
(0 kph at 36).
3
27 km WSW
99m alt.
2 hours ago
7° C
Dry
0
Calm
(0 kph at 33).
0
30 km WSW
130m alt.
1 hour ago
7° C
Dry
0
Calm
(0 kph at 291).
0
34 km SW
7m alt.
42 minutes ago
Dry
34 km SSW
30m alt.
1 hour ago
8° C
Dry
0
Calm
(0 kph at 288).
2
35 km WNW
19m alt.
1 hour ago
7° C
Dry
0
Calm
(0 kph at 0).
3
35 km WSW
100m alt.
55 minutes ago
8° C
Dry
0
Calm
(0 kph at 0).
5

* 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.