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

South Twin Sister
Weather Forecast, United States

Issued: 4 am Sun 26 Apr Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Sun night, min -3°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Wed afternoon, min 0°C on Wed morning). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
some clouds
clear
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
clear
clear
clear
some clouds
clear
 km/h
10
NNW
5
NNW
5
WNW
10
WNW
15
W
10
WSW
5
WSW
5
NNW
5
NE
5
NE
5
SSE
15
SSW
20
SW
15
W
10
SW
5
SSW
10
SSW
10
S
max °C
-2
-1
0
-2
-1
-2
-3
-3
-1
1
5
5
3
3
4
2
3
2
min °C
-2
-1
-1
-2
-2
-3
-3
-3
-2
0
4
4
3
3
3
1
3
1
-7
-4
-4
-5
-6
-7
-7
-3
-6
0
4
0
-2
-1
0
-1
0
-2
1900
2050
2000
1850
1900
1600
1500
1550
1750
2450
3000
2850
2550
2650
2800
2400
2600
2500
Cloud base (m)
2200
1950
750
650
600
600
1600
2100
9400
2600
2250
2150
9050
Sea lvl1000m2000m3000m4000m5000m
-2-1-1-2-2-3-3-3-215533423235422100138978756511139910877710161214161112159
Sunrise
5:56
5:54
5:52
5:50
5:50
5:48
Sunset
8:15
8:15
8:17
8:19
8:21
8:22

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Temperatures will be below freezing (max 0°C on Sun night, min -3°C on Mon night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Wed afternoon, min 0°C on Wed morning). 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 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
22 km WSW
94m alt.
1 hour ago
2° C
-
0
Calm
(0 kph at 138).
3
25 km WNW
102m alt.
52 minutes ago
6° C
Dry
3
Calm
(3 kph at 109).
5
25 km WSW
198m alt.
50 minutes ago
6° C
Dry
0
Calm
(0 kph at 180).
0
26 km NW
125m alt.
2 hours ago
1° C
-
5
Calm
(5 kph at 229).
5
27 km WSW
99m alt.
51 minutes ago
3° C
Dry
2
Calm
(2 kph at 51).
3
28 km NW
152m alt.
1 hour ago
0° C
-
0
Calm
(0 kph at 32).
0
30 km WSW
130m alt.
42 minutes ago
3° C
Dry
34 km SW
7m alt.
42 minutes ago
2° C
-
0
Calm
(0 kph at 127).
0
35 km WNW
19m alt.
1 hour ago
4° C
Dry
0
Calm
(0 kph at 0).
0
35 km WSW
100m alt.
1 hour ago
3° C
Dry
0
Calm
(0 kph at 0).
0

* 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.