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

South Twin Sister
Weather Forecast, United States

Issued: 4 am Sat 30 May Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Freeze-thaw conditions (max 12°C on Mon night, min -1°C on Sat morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Very mild (max 14°C on Tue afternoon, min 3°C on Thu morning). Wind will be generally light.

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
rain showers
clear
clear
clear
clear
cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
cloudy
rain shwrs
clear
clear
clear
clear
cloudy
cloudy
some clouds
clear
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
some clouds
km/h
5
WSW
5
W
5
NW
5
NW
5
WNW
5
NNE
5
NNE
5
N
5
E
5
SSW
5
WNW
10
SSW
10
SSW
10
WSW
5
W
5
WSW
5
WSW
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
0.1
max °C
0
4
3
3
7
9
10
11
12
12
14
14
10
9
8
4
7
7
min °C
-1
1
2
1
6
7
9
11
12
12
13
11
8
9
4
3
5
6
-3
-2
0
-2
5
6
8
11
12
12
13
10
7
8
4
3
4
5
1500
2100
2000
2250
2650
2800
2800
2900
2900
2850
3000
3000
2800
2850
2500
2500
2750
2600
Cloud base (m)
650
900
1800
2250
8350
6900
3050
3400
2800
2900
2650
2750
1550
850
Sea lvl1000m2000m3000m4000m5000m
-3-1-1-134567787553133-1332781011121214139964677118101612162017202217161812111512
Sunrise
5:11
5:09
5:09
5:09
5:07
5:07
Sunset
9:00
9:00
9:01
9:02
9:04
9:04

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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 12°C on Mon night, min -1°C on Sat morning). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Very mild (max 14°C on Tue afternoon, min 3°C on Thu 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.
3 hours ago
9° C
Dry
0
Calm
(0 kph at 209).
5
25 km WSW
198m alt.
39 minutes ago
-
0
Calm
(0 kph at 0).
0
26 km NW
125m alt.
52 minutes ago
13° C
Dry
13
Light winds from the SSW
(13 kph at 205).
21
28 km NW
152m alt.
2 hours ago
10° C
Dry
8
Light winds from the S
(8 kph at 189).
13
30 km WSW
130m alt.
2 hours ago
10° C
Dry
34 km SSW
30m alt.
3 hours ago
10° C
Dry
3
Calm
(3 kph at 63).
8
35 km WNW
19m alt.
1 hour ago
13° C
Dry
0
Calm
(0 kph at 153).
5
35 km WSW
100m alt.
3 hours ago
11° C
Dry
3
Calm
(3 kph at 252).
11
39 km W
35m alt.
45 minutes ago
12° C
Dry
Wind obs. (6 kph from 122 degs) was rejected.
39 km W
35m alt.
36 minutes ago
12° C
Dry
8
Light winds from the E
(8 kph at 95).
16

* 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.