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

South Twin Sister
Weather Forecast, United States

Issued: 4 am Tue 07 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Very mild (max 10°C on Tue morning, min 4°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Mild temperatures (max 9°C on Sun afternoon, min 2°C on Sat night). Winds increasing (light winds from the SW on Fri morning, fresh winds from the SSW by Sat afternoon).

Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
clear
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
clear
some clouds
clear
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
km/h
20
SSW
20
SSW
15
WSW
20
W
20
W
20
W
15
W
15
W
15
WSW
10
SW
10
SW
15
SSW
20
SSW
35
SSW
15
WSW
10
SSW
25
SSW
20
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.1
0.1
0.2
0.2
0.2
0.1
0.1
max °C
10
10
9
5
6
6
4
5
6
5
5
5
4
4
3
6
9
9
min °C
9
10
6
5
6
4
4
5
5
4
5
5
4
4
2
4
7
9
 chill °C
6
7
2
1
2
0
0
2
2
2
2
2
0
-1
-3
2
4
6
Freezing level m
3700
3750
3350
3350
3300
3350
3200
3250
3300
3250
3350
3300
3150
2900
2550
3400
3600
3700
Cloud base (m)
8900
6300
3400
700
8700
6050
2750
2400
1800
1700
1600
1750
650
1600
2300
5750
Sea lvl1000m2000m3000m4000m5000m
1010856545655544358913131179868978868671213202215131813131714141614141612152116
Sunrise
5:13
5:13
5:15
5:15
5:16
5:16
Sunset
9:10
9:10
9:09
9:09
9:08
9:07

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 10°C on Tue morning, min 4°C on Wed night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Sun afternoon, min 2°C on Sat night). Winds increasing (light winds from the SW on Fri morning, fresh winds from the SSW by Sat afternoon).

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.
2 hours ago
17° C
Dry
0
Calm
(0 kph at 119).
5
25 km WSW
198m alt.
3 hours ago
14° C
Dry
Wind obs. (8 kph from 45 degs) was rejected.
26 km NW
125m alt.
3 hours ago
17° C
Dry
Wind obs. (6 kph from 208 degs) was rejected.
28 km NW
152m alt.
3 hours ago
18° C
Dry
Wind obs. (13 kph from 154 degs) was rejected.
30 km WSW
130m alt.
2 hours ago
19° C
Dry
0
Calm
(0 kph at 128).
2
35 km WNW
19m alt.
2 hours ago
20° C
Dry
2
Calm
(2 kph at 26).
6
35 km WSW
100m alt.
1 hour ago
19° C
Dry
2
Calm
(2 kph at 126).
11
38 km S
115m alt.
3 hours ago
15° C
Dry
2
Calm
(2 kph at 287).
6
SHIP3902
40 km SW
15m alt.
2 hours ago
- km
SHIP4055
40 km SW
3m alt.
3 hours ago

* 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.