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

South Twin Sister
Weather Forecast, United States

Issued: 10 am Sun 26 Apr Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Some drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 5°C on Sun afternoon, min 0°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Mild temperatures (max 9°C on Wed night, min 2°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
rain showers
rain showers
cloud
light rain
cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
rain showers
clear
part cloud
part cloud
part cloud
clear
rain shwrs
rain shwrs
cloudy
light rain
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
rain shwrs
clear
some clouds
some clouds
some clouds
 km/h
5
WNW
5
W
5
SW
5
SW
10
WSW
10
S
10
SSW
5
WSW
5
NNE
5
ENE
5
W
5
SSW
5
SSW
10
SW
5
WSW
0
N
5
WNW
5
ENE
0.8
0.4
0.2
0.1
max °C
3
5
5
2
2
1
0
0
1
4
7
9
8
8
7
5
8
8
min °C
3
5
3
2
2
0
0
0
1
2
7
8
7
8
5
5
7
8
2
3
1
1
0
-3
-3
-2
1
2
7
7
6
6
5
5
7
8
1900
2100
2000
1800
1850
1550
1500
1600
1800
2300
2950
2900
2600
2600
2400
2650
2900
2800
Cloud base (m)
5150
2300
3000
2000
700
600
600
600
1000
1000
2150
2700
6750
2000
Sea lvl1000m2000m3000m4000m5000m
-2-1-1-2-2-3-3-3-2045432244354221001379886588111399107776101612141611121612
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: Some drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 5°C on Sun afternoon, min 0°C on Mon night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Wed night, 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.
50 minutes ago
16° C
Dry
8
Light winds from the WNW
(8 kph at 287).
14
25 km WNW
102m alt.
1 hour ago
21° C
Dry
3
Calm
(3 kph at 328).
5
25 km WSW
198m alt.
3 hours ago
14° C
Dry
0
Calm
(0 kph at 147).
2
26 km NW
125m alt.
1 hour ago
20° C
Dry
Wind obs. (6 kph from 217 degs) was rejected.
27 km WSW
99m alt.
1 hour ago
15° C
Dry
13
Light winds from the WNW
(13 kph at 287).
18
28 km NW
152m alt.
1 hour ago
19° C
Dry
3
Calm
(3 kph at 15).
3
30 km WSW
130m alt.
1 hour ago
19° C
Dry
2
Calm
(2 kph at 14).
13
34 km SW
7m alt.
2 hours ago
21° C
Dry
0
Calm
(0 kph at 145).
3
35 km WNW
19m alt.
2 hours ago
19° C
Dry
2
Calm
(2 kph at 0).
10
35 km WSW
100m alt.
2 hours ago
16° C
Dry
2
Calm
(2 kph at 190).
8

* 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.