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

South Twin Sister
Weather Forecast, United States

Issued: 10 am Sun 05 Apr Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Sun afternoon, min -9°C on Tue morning). Winds increasing (light winds from the SSW on Sun afternoon, fresh winds from the WSW by Mon night).

Days 4–6 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Thu afternoon, min -5°C on Wed morning). Wind will be generally light.

Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
part cloud
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
clear
some clouds
 km/h
5
SSW
5
SSW
15
SSW
20
SW
30
WSW
35
WSW
30
WNW
20
NW
5
W
10
NW
10
NNW
5
NW
5
S
10
SW
10
W
10
W
20
WSW
25
WSW
0.1
0.1
max °C
6
7
7
4
2
0
-9
-6
-4
-4
-2
-1
-1
2
2
1
1
0
min °C
6
6
5
3
2
-8
-9
-8
-5
-5
-2
-1
-1
1
1
0
1
-4
4
5
2
-2
-3
-16
-19
-17
-10
-10
-4
-4
-1
-1
-3
-4
-3
-11
2950
3000
2900
2600
2350
1050
900
1100
950
1250
1700
1800
1950
2400
2400
2250
2350
1800
Cloud base (m)
5750
5900
5750
6250
2050
900
900
650
800
1550
8250
7950
2050
Sea lvl1000m2000m3000m4000m5000m
67642-4-9-7-5-5-2-1-12211-211111187-1-5-4-3-31125545215191414146353596813810137
Sunrise
6:37
6:35
6:33
6:31
6:28
6:26
Sunset
7:44
7:45
7:46
7:47
7:50
7:51

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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 7°C on Sun afternoon, min -9°C on Tue morning). Winds increasing (light winds from the SSW on Sun afternoon, fresh winds from the WSW by Mon night).

South Twin Sister Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 2°C on Thu afternoon, min -5°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
13° C
Dry
Wind obs. (10 kph from 247 degs) was rejected.
25 km WNW
102m alt.
1 hour ago
17° C
Dry
3
Calm
(3 kph at 188).
6
25 km WSW
198m alt.
1 hour ago
13° C
Dry
0
Calm
(0 kph at 135).
0
26 km NW
125m alt.
40 minutes ago
20° C
Dry
Wind obs. (11 kph from 253 degs) was rejected.
27 km WSW
99m alt.
1 hour ago
12° C
Dry
3
Calm
(3 kph at 263).
6
28 km NW
152m alt.
1 hour ago
18° C
Dry
8
Light winds from the N
(8 kph at 4).
11
30 km WSW
130m alt.
36 minutes ago
18° C
Dry
3
Calm
(3 kph at 309).
13
35 km WNW
19m alt.
44 minutes ago
18° C
Dry
2
Calm
(2 kph at 32).
8
35 km WSW
100m alt.
1 hour ago
16° C
Dry
3
Calm
(3 kph at 236).
10
SHIP4258
39 km W
15m alt.
3 hours ago
8
Light winds from the N
(8 kph at 350).
- km

* 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.