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

South Twin Sister
Weather Forecast, United States

Issued: 4pm Fri 30 Oct Local Time
Updates in: hr min s
Update imminent
Elevation Choose Forecast Elevation:Elevation:
 

South Twin Sister Weather (Days 0-3):

Mostly dry. Freeze-thaw conditions (max 12°C on Sun afternoon, min -2°C on Fri night). Wind will be generally light.

(Days 3-6):

Heavy rain (total 54mm), mostly on Wed night. Becoming colder with a light covering of snow, mostly falling on Wed night. Freeze-thaw conditions (max 10°C on Mon afternoon, min -4°C on Thu morning). Mainly gales.

PM night AM PM night AM PM night AM PM night AM PM night AM PM night AM
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
heavy rain
light rain
light rain
moderate rain
heavy rain
light snow
light snow
Wind km/h
15 WSW15
5 SW5
5 SW5
0 S0
5 WNW5
5 SSW5
10 S10
25 SSE25
25 SSE25
30 SSE30
45 SSE45
35 S35
30 S30
60 S60
60 SSW60
40 WSW40
55 SW55
30 WSW30
cloudy clear clear clear clear clear clear clear clear clear clear heavy rain light rain light rain mod. rain heavy rain light snow light snow
Rain
Rain mm
- - - - - - - - - - - 14 1 4 7 12 16 -
Snow
Snow cm
- - - - - - - - - - - - - - - - 4 4
High °C
-1 -1 1 4 9 11 12 12 10 10 10 4 6 5 4 4 4 -4
Low °C
-1 -2 0 2 6 10 12 11 10 10 8 3 5 4 4 3 -2 -4
Chill °C
-7 -3 -1 4 8 11 12 11 7 7 6 -2 1 -1 -2 -4 -3 -13
Freezing level m
1300 1250 2150 3400 3350 3750 3700 3700 3600 3450 3300 2650 2350 2200 2100 1900 2200 950
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop
-4-1037898877221000-8-1-1149111212101010465444-4657910151714151713911111010103
Sunrise
- - 7:54 - - 7:54 - - 7:56 - - 7:58 - - 8:00 - - 8:00
Sunset
5:50 - - 5:47 - - 5:45 - - 5:45 - - 5:43 - - 5:42 - -

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dryFreeze-thaw conditions (max 12°C on Sun afternoon, min -2°C on Fri night)Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Heavy rain (total 54mm), mostly on Wed night. Becoming colder with a light covering of snow, mostly falling on Wed nightFreeze-thaw conditions (max 10°C on Mon afternoon, min -4°C on Thu morning)Mainly gales.

This table gives the weather forecast for South Twin Sister at the specific elevation of 1500 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.WeatherWind
Cloud
Visibility
Cloud / Visibility
Skagit Burlingto / t Vernon Airport
41 km SSW
43m alt.
1 hour ago
11° C
cloudy
Dry and cloudy.
11
Light winds from the W
(11 kph at 270).
16 km
Low: overcast
Bellingham Airport
41 km W
50m alt.
1 hour ago
11.1° C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
16 km
Low: broken
BUOY-46118
44 km WSW
3m alt.
1 hour ago
9.8° C
11
Light winds from the N
(11 kph at 350).
SHIP5237
45 km WSW
-m alt.
1 hour ago
9.8° C
-
11
Light winds from the N
(11 kph at 350).
BUOY-PBFW1
45 km SSW
3m alt.
2 hours ago
11.1° C
18
Light winds from the WNW
(18 kph at 300).

* 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.