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

South Twin Sister
Weather Forecast, United States

Issued: 10 am Thu 18 Jun Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Very mild (max 12°C on Fri afternoon, min 6°C on Sat morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Very mild (max 14°C on Mon night, min 6°C on Sun morning). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
clear
clear
km/h
5
NNE
5
NW
10
SSE
15
SSW
20
WSW
20
WSW
10
NNW
5
NNW
15
N
10
N
5
NNE
5
E
5
ESE
0
WNW
10
SSW
10
SSW
10
WSW
5
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
8
11
11
11
12
11
6
8
7
7
9
11
12
13
14
12
14
13
min °C
7
10
11
10
12
7
6
7
6
6
8
10
11
13
13
12
13
12
 chill °C
6
10
11
8
10
4
4
6
3
4
7
10
11
13
12
11
12
12
Freezing level m
3550
3850
3950
3800
3850
3600
3300
3400
3200
3200
3400
3650
3550
3800
3950
3800
3900
3800
Cloud base (m)
2450
8950
2450
9100
8850
3900
6500
Sea lvl1000m2000m3000m4000m5000m
8111111129687791112131412141310141515161391211111416171919181917182319222517162016182319242722252821
Sunrise
5:03
5:03
5:03
5:05
5:05
5:05
Sunset
9:13
9:13
9:14
9:14
9:14
9:14

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 12°C on Fri afternoon, min 6°C on Sat morning). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Very mild (max 14°C on Mon night, min 6°C on Sun 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.
1 hour ago
20° C
Dry
16
Light winds from the W
(16 kph at 265).
23
25 km WSW
198m alt.
1 hour ago
-
0
Calm
(0 kph at 0).
0
26 km NW
125m alt.
1 hour ago
24° C
Dry
Wind obs. (13 kph from 219 degs) was rejected.
28 km NW
152m alt.
46 minutes ago
24° C
Dry
5
Calm
(5 kph at 307).
13
30 km WSW
130m alt.
1 hour ago
23° C
Dry
0
Calm
(0 kph at 310).
0
35 km WNW
19m alt.
41 minutes ago
24° C
Dry
3
Calm
(3 kph at 0).
11
35 km WSW
100m alt.
1 hour ago
21° C
Dry
3
Calm
(3 kph at 289).
11
38 km S
115m alt.
1 hour ago
20° C
Dry
5
Calm
(5 kph at 207).
11
39 km W
35m alt.
2 hours ago
21° C
Dry
8
Light winds from the W
(8 kph at 275).
21
SHIP6060
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.