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

South Twin Sister
Weather Forecast, United States

Issued: 10 am Sat 04 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 night, min -9°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the WSW by Mon night).

Days 4–6 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -1°C on Thu afternoon, min -10°C on Tue morning). Winds decreasing (fresh winds from the WNW on Tue morning, calm by Wed morning).

Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
snow showers
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
snow shwrs
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
 km/h
10
W
10
W
10
WSW
5
SSW
5
SSW
15
SW
20
SW
30
SW
40
WSW
30
WNW
20
NW
10
WNW
5
ESE
5
NE
5
N
10
W
15
W
15
WSW
1
max °C
-1
2
5
6
6
7
4
3
0
-9
-5
-4
-5
-3
-2
-2
-1
-1
min °C
-1
1
3
5
6
5
3
2
-9
-10
-7
-6
-6
-4
-3
-2
-1
-2
-5
-2
0
5
5
2
-2
-4
-19
-20
-15
-11
-6
-7
-3
-5
-6
-6
2000
2450
2800
3000
3000
2900
2650
2450
900
750
1200
950
1300
1700
1750
1750
2000
1850
Cloud base (m)
950
4600
5750
5450
5700
6200
6050
1650
650
650
4950
900
1850
950
5300
Sea lvl1000m2000m3000m4000m5000m
-12466643-5-10-6-5-6-4-3-2-1-226810111187-1-6-4-3-31213391410141914141562536968117
Sunrise
6:39
6:37
6:35
6:33
6:31
6:28
Sunset
7:42
7:44
7:45
7:46
7:47
7:50

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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 night, min -9°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the WSW by Mon night).

South Twin Sister Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -1°C on Thu afternoon, min -10°C on Tue morning). Winds decreasing (fresh winds from the WNW on Tue morning, calm by Wed morning).

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.
40 minutes ago
12° C
Dry
Wind obs. (11 kph from 240 degs) was rejected.
25 km WNW
102m alt.
32 minutes ago
16° C
Dry
2
Calm
(2 kph at 273).
6
25 km WSW
198m alt.
45 minutes ago
12° C
Dry
0
Calm
(0 kph at 135).
2
26 km NW
125m alt.
24 minutes ago
16° C
Dry
6
Light winds from the NW
(6 kph at 306).
8
27 km WSW
99m alt.
2 hours ago
11° C
Dry
3
Calm
(3 kph at 219).
8
28 km NW
152m alt.
30 minutes ago
15° C
Dry
3
Calm
(3 kph at 23).
10
30 km WSW
130m alt.
38 minutes ago
14° C
Dry
3
Calm
(3 kph at 309).
16
35 km WNW
19m alt.
1 hour ago
16° C
Dry
3
Calm
(3 kph at 17).
11
35 km WSW
100m alt.
48 minutes ago
15° C
Dry
Wind obs. (6 kph from 300 degs) was rejected.
38 km WSW
56.1m alt.
3 hours ago
9° C
Dry
0
Calm
(0 kph at 0).
2

* 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.