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

UsSouth Twin Sister
Weather Forecast, United States

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Issued: 10 pm Fri 26 Apr Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Heavy rain (total 43mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 9°C on Fri night, min 0°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Mon night. Freeze-thaw conditions (max 13°C on Thu afternoon, min 0°C on Mon night). Wind will be generally light.

Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
light rain
light rain
light rain
light rain
heavy rain
light snow
light rain
rain showers
rain showers
light rain
light rain
rain showers
rain showers
light rain
rain showers
part cloud
rain showers
rain showers
rain shwrs
light rain
light rain
light rain
light rain
heavy rain
light snow
light rain
rain shwrs
rain shwrs
light rain
light rain
rain shwrs
rain shwrs
light rain
rain shwrs
some clouds
rain shwrs
rain shwrs
 km/h
10
S
15
S
10
SSE
5
S
10
S
5
WSW
5
SW
5
SW
5
WSW
0
NNW
5
WNW
5
NW
0
ENE
0
WSW
0
SW
5
ENE
0
E
5
NW
5
E
Wave Height Map
T washington.wind.3.cc23
T washington.wind.21.cc23
T washington.wind.45.cc23
T washington.wind.69.cc23
T washington.wind.93.cc23
T washington.wind.117.cc23
T washington.wind.141.cc23
 cm 
1.0
 mm 
5
4
2
5
4
12
7
1.2
3
1.0
0.1
0.5
0.3
0.1
0.3
0.1
0.4
0.2
max°C
9
7
7
6
5
5
3
3
5
3
4
6
4
6
8
7
10
13
10
min°C
8
6
6
5
4
3
0
1
4
0
2
5
1
4
7
3
7
13
7
chill°C 
8
3
4
3
1
1
0
0
3
0
2
4
1
4
7
2
7
13
6
Freezing level (m
1800
1350
1400
1350
1150
1050
700
800
1050
750
1000
1250
950
1200
1450
1500
1800
2150
2150
Cloud base (m)
700
550
550
600
600
600
550
600
650
600
600
700
800
800
850
850
850
2150
Sea lvl1000m2000m3000m4000m5000m
-2-5-5-5-6-7-9-10-9-9-9-7-6-6-4-3-3002-1-1-1-3-3-4-6-4-4-5-3-3-3-1025597765422523635859139
Sunrise
5:52
5:50
5:50
5:48
5:46
5:45
Sunset
8:17
8:19
8:21
8:22
8:23
8:24

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Heavy rain (total 43mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 9°C on Fri night, min 0°C on Sun night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Light rain (total 3mm), mostly falling on Mon night. Freeze-thaw conditions (max 13°C on Thu afternoon, min 0°C on Mon night). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 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 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
19 km S
155m alt.
42 minutes ago
9° C
Dry
0
Calm
(0 kph at 131).
3
22 km WSW
94m alt.
43 minutes ago
9° C
Dry
2
Calm
(2 kph at 334).
6
25 km WSW
198m alt.
1 hour ago
9° C
Dry
0
Calm
(0 kph at 292).
0
26 km NW
125m alt.
44 minutes ago
9° C
Dry
5
Calm
(5 kph at 104).
8
27 km WSW
99m alt.
57 minutes ago
11° C
Dry
Wind obs. (6 kph from 184 degs) was rejected.

* 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.