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

South Twin Sister
Weather Forecast, United States

Issued: 10 am Wed 27 May Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Freeze-thaw conditions (max 15°C on Thu afternoon, min 0°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Freeze-thaw conditions (max 11°C on Mon afternoon, min -1°C on Sat morning). Wind will be generally light.

Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
clear
clear
thunderstorm
part cloud
light rain
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
some clouds
some clouds
clear
clear
risk tstorm
some clouds
light rain
rain shwrs
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
km/h
5
NNW
5
NNW
5
N
5
SSW
10
WSW
15
SSW
10
SSW
10
WSW
10
SW
5
SW
5
W
5
WNW
5
NNW
5
WNW
5
NW
5
NNE
5
WNW
5
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
0.2
0.2
0.1
max °C
9
13
14
13
15
14
3
3
2
0
4
3
3
6
7
8
11
11
min °C
8
12
14
13
15
6
2
3
0
-1
1
2
2
4
6
7
10
11
7
12
14
13
15
3
-1
0
-3
-3
-1
0
0
2
6
6
10
11
3800
3900
3900
3750
3800
3350
2150
2050
1750
1500
2200
2200
2300
2700
2850
2950
3150
3150
Cloud base (m)
900
1850
9200
8350
9500
700
900
8400
700
800
1900
1850
6750
6200
8600
9000
Sea lvl1000m2000m3000m4000m5000m
71011101171-1-2-3-1013447791314131510331-13335781111152117202315101177118101411151915
Sunrise
5:13
5:11
5:11
5:11
5:09
5:09
Sunset
8:57
8:58
8:59
9:00
9:00
9:01

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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 15°C on Thu afternoon, min 0°C on Fri night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 11°C on Mon afternoon, min -1°C on Sat 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.
1 hour ago
16° C
Dry
8
Light winds from the W
(8 kph at 261).
13
25 km WNW
102m alt.
42 minutes ago
17° C
Dry
0
Calm
(0 kph at 214).
2
25 km WSW
198m alt.
1 hour ago
-
0
Calm
(0 kph at 0).
0
26 km NW
125m alt.
2 hours ago
18° C
Dry
Wind obs. (10 kph from 220 degs) was rejected.
28 km NW
152m alt.
58 minutes ago
18° C
Dry
2
Calm
(2 kph at 24).
10
30 km WSW
130m alt.
55 minutes ago
19° C
Dry
0
Calm
(0 kph at 209).
5
35 km WNW
19m alt.
57 minutes ago
19° C
Dry
0
Calm
(0 kph at 152).
6
35 km WSW
100m alt.
2 hours ago
19° C
Dry
3
Calm
(3 kph at 287).
10
SHIP3131
40 km SW
15m alt.
2 hours ago
- km
SHIP8164
40 km SW
15m alt.
2 hours ago
- 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.