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South Twin Sister, United States Weather Forecast

Weather Forecast Issued (local time): 9 am Tuesday 17 Jan 2017
  Days 0-3 South Twin Sister Weather Summary: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Tue morning, min -6°C on Thu morning). Winds decreasing (severe gales from the SSW on Wed morning, light winds from the SSE by Thu night). Days 3-6 South Twin Sister Weather Summary: A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -4°C on Sat night, min -9°C on Sun night). Winds increasing (moderate winds from the SE on Fri afternoon, gales from the SSE by Sat night).
Tuesday 17 Wednesday 18 Thursday 19 Friday 20 Saturday 21 Sunday 22
AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
See all weather maps
T washington.wind.12.cc23
T washington.wind.36.cc23
T washington.wind.60.cc23
T washington.wind.84.cc23
T washington.wind.108.cc23
T washington.wind.132.cc23
 
light snow
heavy snow
heavy snow
moderate snow
moderate snow
heavy snow
light snow
snow showers
snow showers
partially cloudy
partially cloudy
partially cloudy
snow showers
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
Wind
(km/h)
60 SSW60
50 SSW50
50 SSW50
80 SSW80
55 S55
35 SSW35
20 S20
25 S25
25 SSE25
25 SE25
25 SSE25
25 SSE25
35 SSE35
40 S40
45 SSE45
50 SSE50
35 SW35
35 SW35
Summary light snow heavy snow heavy snow mod. snow mod. snow heavy snow light snow snow shwrs snow shwrs some clouds some clouds some clouds snow shwrs heavy snow heavy snow heavy snow heavy snow heavy snow
Snow (cm) 5 14 39 10 10 11 4 2 2 - - - 5 14 17 16 24 57
Rain (mm) - - - - - - - - - - - - - - - - - -
High °C 0 0 -1 -1 -2 -3 -6 -6 -4 -5 -5 -5 -5 -6 -4 -5 -7 -8
Low °C 0 0 -1 -2 -3 -5 -6 -6 -5 -5 -5 -6 -6 -6 -5 -6 -8 -9
Chill °C -9 -8 -11 -11 -11 -11 -13 -14 -11 -12 -12 -12 -14 -15 -13 -15 -16 -18
Freezing level (m) 2200 2250 1850 2000 1800 1450 1250 1250 1350 1250 1350 1300 1450 1000 1300 1000 850 600
South Twin Sister freezing level scale
mountain backdrop South Twin Sister freezing level
Sunrise 7:54 - - 7:52 - - 7:52 - - 7:50 - - 7:50 - - 7:48 - -
Sunset - 4:42 - - 4:44 - - 4:45 - - 4:45 - - 4:47 - - 4:50 -

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.

 

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