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

South Twin Sister
Weather Forecast, United States

Issued: 4 am Thu 02 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Moderate rain (total 10mm), heaviest on Thu afternoon. Mild temperatures (max 6°C on Fri afternoon, min 2°C on Thu morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Very mild (max 11°C on Sun night, min 5°C on Sun morning). Wind will be generally light.

Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
light rain
light rain
light rain
rain showers
rain showers
clear
rain showers
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloudy
light rain
light rain
light rain
rain shwrs
rain shwrs
clear
rain shwrs
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
km/h
10
WSW
15
SW
15
WSW
10
SW
15
SW
20
WSW
20
WSW
20
WSW
15
W
5
WNW
5
SW
15
S
15
S
15
SSW
15
SSW
10
SSW
15
SW
15
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
5
4
0.6
0.6
0.1
0.2
max °C
4
4
4
4
6
6
4
6
6
7
10
11
9
11
11
7
7
8
min °C
2
4
4
3
5
4
4
5
5
5
9
9
9
10
8
7
7
6
 chill °C
-1
0
0
0
2
0
0
1
2
3
8
6
6
8
5
5
4
3
Freezing level m
2900
2900
2850
3000
3400
2950
2850
3000
3300
3650
3950
3950
3800
3950
4000
3700
3700
3400
Cloud base (m)
2250
750
600
650
600
2650
750
2150
1950
8600
6550
4850
3200
2650
Sea lvl1000m2000m3000m4000m5000m
344465466610109111077767879871088131412141291010131413131714151814162217192317161815
Sunrise
5:09
5:09
5:11
5:11
5:11
5:13
Sunset
9:13
9:13
9:13
9:12
9:12
9:10

Loading...

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Moderate rain (total 10mm), heaviest on Thu afternoon. Mild temperatures (max 6°C on Fri afternoon, min 2°C on Thu morning). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Very mild (max 11°C on Sun night, min 5°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
12° C
Dry
0
Calm
(0 kph at 61).
3
25 km WSW
198m alt.
41 minutes ago
11° C
Dry
Wind obs. (6 kph from 43 degs) was rejected.
26 km NW
125m alt.
49 minutes ago
12° C
Dry
Wind obs. (6 kph from 208 degs) was rejected.
28 km NW
152m alt.
35 minutes ago
12° C
Dry
3
Calm
(3 kph at 148).
5
30 km WSW
130m alt.
27 minutes ago
13° C
Dry
0
Calm
(0 kph at 51).
0
35 km WNW
19m alt.
1 hour ago
13° C
Dry
0
Calm
(0 kph at 0).
3
35 km WSW
100m alt.
55 minutes ago
14° C
Dry
Wind obs. (6 kph from 121 degs) was rejected.
38 km S
115m alt.
33 minutes ago
12° C
Dry
2
Calm
(2 kph at 106).
5
SHIP4512
40 km SW
3m alt.
1 hour ago
SHIP6967
40 km SW
3m alt.
3 hours ago
12° C

* 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.