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

South Twin Sister
Weather Forecast, United States

Issued: 4 am Mon 06 Apr Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -7°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Wed night).

Days 4–6 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Fri afternoon, min -1°C on Thu morning). Wind will be generally light.

Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
some clouds
 km/h
20
SW
35
WSW
45
WSW
20
WNW
25
NW
10
WSW
10
W
25
WNW
10
ENE
0
SSE
5
SSW
10
SSW
10
SSW
15
SSW
15
SSW
5
SSW
0
W
5
WSW
0.1
max °C
4
3
0
-5
-3
-3
-3
-2
-1
0
1
2
2
4
4
2
3
2
min °C
3
2
-6
-7
-4
-3
-4
-2
-2
-1
1
2
2
3
2
2
3
-1
-2
-4
-15
-15
-11
-7
-9
-7
-7
-1
1
0
-1
0
-2
-1
3
-1
2650
2450
1350
1100
1350
1200
1400
1750
1800
2050
2350
2450
2450
2700
2550
2500
2600
2250
Cloud base (m)
5900
4950
2050
650
1800
6050
1850
1800
6700
3100
2850
2550
Sea lvl1000m2000m3000m4000m5000m
43-3-6-4-3-4-2-2-112243231971-4-2-1-2123676876741415647471069141013161212169
Sunrise
6:35
6:33
6:31
6:28
6:26
6:24
Sunset
7:45
7:46
7:47
7:50
7:51
7:52

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -7°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Wed night).

South Twin Sister Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Fri afternoon, min -1°C on Thu 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.
24 minutes ago
12° C
Dry
0
Calm
(0 kph at 225).
0
25 km WNW
102m alt.
1 hour ago
11° C
Dry
3
Calm
(3 kph at 188).
5
25 km WSW
198m alt.
1 hour ago
11° C
Dry
5
Calm
(5 kph at 45).
5
26 km NW
125m alt.
2 hours ago
4° C
Dry
3
Calm
(3 kph at 286).
5
27 km WSW
99m alt.
1 hour ago
9° C
Dry
0
Calm
(0 kph at 204).
0
28 km NW
152m alt.
1 hour ago
12° C
Dry
0
Calm
(0 kph at 9).
0
30 km WSW
130m alt.
2 hours ago
11° C
Dry
0
Calm
(0 kph at 130).
0
35 km WNW
19m alt.
24 minutes ago
14° C
Dry
0
Calm
(0 kph at 0).
6
35 km WSW
100m alt.
1 hour ago
12° C
Dry
2
Calm
(2 kph at 127).
3
SHIP514
39 km W
-m alt.
3 hours ago
9° C
-
4
Calm
(4 kph at 40).

* 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.