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

South Twin Sister
Weather Forecast, United States

Issued: 4 am Sun 17 May Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Tue morning. Freeze-thaw conditions (max 4°C on Sun afternoon, min -1°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Thu afternoon, min 2°C on Wed morning). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
light rain
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
part cloud
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
light rain
light rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
rain shwrs
some clouds
km/h
5
NNW
5
WNW
10
WSW
5
SSW
10
WSW
10
SW
5
SW
5
W
0
WNW
0
NW
5
WNW
10
W
5
SW
5
WSW
5
W
5
S
5
WSW
15
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
0.1
0.9
0.8
0.7
0.1
0.1
0.3
max °C
1
4
4
2
4
4
2
3
3
4
6
6
6
7
7
5
6
6
min °C
-1
3
3
2
4
3
2
2
3
2
5
6
5
6
5
5
5
2
-4
1
1
0
2
0
-1
0
1
2
5
6
3
6
4
4
4
-3
1750
2150
2050
1900
2100
2100
1900
2000
2300
2600
2950
3150
2550
2750
2800
3250
3000
2450
Cloud base (m)
900
1750
6000
2000
2050
650
600
1000
950
1600
2050
2050
2350
700
700
1550
Sea lvl1000m2000m3000m4000m5000m
-30-1-10-1-2-1113433434204424423336667656481391013108109111411131412111310
Sunrise
5:24
5:22
5:22
5:20
5:18
5:18
Sunset
8:44
8:45
8:46
8:47
8:50
8:51

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Light rain (total 2mm), mostly falling on Tue morning. Freeze-thaw conditions (max 4°C on Sun afternoon, min -1°C on Sun morning). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Mild temperatures (max 7°C on Thu afternoon, min 2°C on Wed morning). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 1500 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.
42 minutes ago
12° C
Dry
0
Calm
(0 kph at 277).
2
25 km WSW
198m alt.
40 minutes ago
-
0
Calm
(0 kph at 0).
0
26 km NW
125m alt.
2 hours ago
12° C
Dry
3
Calm
(3 kph at 221).
5
27 km WSW
99m alt.
39 minutes ago
11° C
Dry
8
Light winds from the WNW
(8 kph at 287).
14
28 km NW
152m alt.
50 minutes ago
14° C
Dry
3
Calm
(3 kph at 45).
6
30 km WSW
130m alt.
29 minutes ago
13° C
Dry
35 km WNW
19m alt.
1 hour ago
13° C
Dry
2
Calm
(2 kph at 13).
5
35 km WSW
100m alt.
50 minutes ago
14° C
Dry
3
Calm
(3 kph at 158).
11
39 km W
35m alt.
36 minutes ago
12° C
Dry
3
Calm
(3 kph at 246).
8
39 km W
35m alt.
2 hours ago
10° C
Dry
2
Calm
(2 kph at 88).
6

* 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.