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

UsSouth Twin Sister
Weather Forecast, United States

Placeholder
Issued: 4 am Wed 04 Oct Local Time
Updates in:
hr min s
Update imminent
Mountain icon 3 South Twin Sister Elevations: 3 Forecast Elevations:
 

South Twin Sister Weather (Days 0-3):

Mostly dry. Very mild (max 14°C on Thu night, min 5°C on Wed morning). Wind will be generally light.

(Days 3-6):

Heavy rain (total 30mm), heaviest during Mon afternoon. Very mild (max 12°C on Sat morning, min 2°C on Mon night). Winds increasing (light winds from the SW on Sat morning, strong winds from the SSW by Sun night).

Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
cloud rain showers clear clear clear clear clear clear part cloud clear clear part cloud clear clear rain showers mod rain heavy rain light rain
cloudy rain shwrs clear clear clear clear clear clear some clouds clear clear some clouds clear clear rain shwrs mod. rain heavy rain light rain
Wind km/h
10
WNW
5
WNW
5
NNE
10
NE
5
NE
0
SE
5
SW
10
SW
10
SW
15
SSW
20
SSW
30
SSW
35
SSW
40
SSW
40
SSW
40
SSW
20
SSW
35
SSW
Snow
 cm
Rain
 mm
0.1 0.2 10 17 3
Max °C
5 6 8 10 13 14 13 13 13 12 12 11 8 7 7 5 3 3
Min °C
5 6 6 9 11 13 13 13 12 12 11 8 7 7 6 4 3 2
 Feels °C
0 4 6 6 10 11 9 9 8 7 7 4 -1 -2 -4 -3 -3 -4
3950 4050 4050 4150 4200 4250 4200 4150 4050 3950 3800 3650 3450 3450 3150 3400 2800 2550
Cloud base m
750 650 9950 9300 9000 9800 6750 6050 2900 700 550 600
Sea lvl3000ft6000ft9000ft12000ft15000ft
568101314131313121211877533669121617171717161616111110767121313182118222419222419191916121112
Sunrise
7:11 7:11 7:13 7:15 7:16 7:18
Sunset
6:40 6:38 6:37 6:35 6:32 6:30

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 14\°C on Thu night, min 5\°C on Wed morning). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Heavy rain (total 30mm), heaviest during Mon afternoon. Very mild (max 12\°C on Sat morning, min 2\°C on Mon night). Winds increasing (light winds from the SW on Sat morning, strong winds from the SSW by Sun night).

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 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
19 km S
155m alt.
2 hours ago
13° C
Dry
2
Calm
(2 kph at 199).
3
25 km WSW
198m alt.
1 hour ago
12° C
Dry
0
Calm
(0 kph at 45).
0
25 km WNW
102m alt.
1 hour ago
13° C
Dry
0
Calm
(0 kph at 232).
0
26 km NW
125m alt.
40 minutes ago
12° C
Dry
5
Calm
(5 kph at 147).
6
27 km WSW
99m alt.
47 minutes ago
13° C
Dry
2
Calm
(2 kph at 138).
8

* 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.