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

South Twin Sister
Weather Forecast, United States

Issued: 4 am Tue 16 Jun Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Very mild (max 12°C on Thu afternoon, min 3°C on Tue night). Winds decreasing (fresh winds from the W on Tue morning, calm by Thu afternoon).

Days 4–6 Weather Summary

Mostly dry. Very mild (max 12°C on Fri afternoon, min 8°C on Sat morning). Wind will be generally light.

Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
some clouds
rain shwrs
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
clear
km/h
30
W
25
WNW
20
WNW
15
NW
10
WNW
10
N
5
N
5
SW
10
SW
10
SW
10
W
5
WNW
5
NNW
5
WNW
5
N
5
NNE
0
SSE
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
0.1
max °C
5
6
6
4
7
8
9
12
12
11
12
12
9
10
10
9
11
12
min °C
4
5
3
3
6
7
9
11
11
11
12
9
8
10
8
8
10
11
-1
0
-2
-2
3
5
8
11
10
10
11
8
7
10
6
6
10
11
3150
3350
3100
3200
3550
3700
3850
4100
4150
4000
4000
3850
3750
3800
3600
3650
3750
3800
Cloud base (m)
950
2150
1800
2050
6650
6050
9100
Sea lvl1000m2000m3000m4000m5000m
5654789121211121191099111289861011121616151615111413131616151813151915192419212418192218202419
Sunrise
5:03
5:03
5:03
5:03
5:03
5:05
Sunset
9:12
9:13
9:13
9:13
9:14
9:14

Loading...

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 12°C on Thu afternoon, min 3°C on Tue night). Winds decreasing (fresh winds from the W on Tue morning, calm by Thu afternoon).

South Twin Sister Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Fri afternoon, min 8°C on Sat morning). Wind will be generally light.

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.
42 minutes ago
17° C
Dry
3
Calm
(3 kph at 219).
14
25 km WSW
198m alt.
1 hour ago
-
0
Calm
(0 kph at 0).
0
26 km NW
125m alt.
2 hours ago
19° C
Dry
10
Light winds from the S
(10 kph at 177).
18
28 km NW
152m alt.
2 hours ago
18° C
Dry
Wind obs. (10 kph from 148 degs) was rejected.
30 km WSW
130m alt.
42 minutes ago
21° C
Dry
0
Calm
(0 kph at 144).
0
35 km WNW
19m alt.
49 minutes ago
21° C
Dry
2
Calm
(2 kph at 154).
6
35 km WSW
100m alt.
1 hour ago
19° C
Dry
5
Calm
(5 kph at 163).
13
38 km S
115m alt.
2 hours ago
18° C
Dry
2
Calm
(2 kph at 86).
5
SHIP6705
40 km SW
15m alt.
3 hours ago
- km
SHIP4143
40 km SW
15m alt.
3 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.