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South Twin Sister, United States Weather Forecast

Weather Forecast Issued (local time): 9 am Friday 24 Feb 2017
  Days 0-3 South Twin Sister Weather Summary: A heavy fall of snow, heaviest during Sat night. Extremely cold (max -11°C on Fri afternoon, min -14°C on Sun night). Wind will be generally light. Days 3-6 South Twin Sister Weather Summary: A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -7°C on Wed night, min -14°C on Mon morning). Winds increasing (light winds from the WNW on Mon morning, near gales from the W by Tue night).
Friday 24 Saturday 25 Sunday 26 Monday 27 Tuesday 28 Wednesday 1
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
partially cloudy
clear
clear
snow showers
heavy snow
moderate snow
snow showers
partially cloudy
snow showers
snow showers
snow showers
heavy snow
heavy snow
heavy snow
moderate snow
heavy snow
heavy snow
Wind
(km/h)
10 SE10
5 ENE5
10 NNW10
15 WNW15
20 WSW20
15 SW15
10 E10
10 NE10
5 NNW5
15 WNW15
15 WNW15
15 WSW15
40 SW40
45 WSW45
60 WSW60
40 W40
35 WSW35
45 SW45
Summary light snow some clouds clear clear snow shwrs heavy snow mod. snow snow shwrs some clouds snow shwrs snow shwrs snow shwrs heavy snow heavy snow heavy snow mod. snow heavy snow heavy snow
Snow (cm) 2 - - - 5 27 6 3 - 1 1 3 11 19 40 10 11 30
Rain (mm) - - - - - - - - - - - - - - - - - -
High °C -12 -11 -11 -11 -11 -11 -11 -11 -12 -14 -13 -10 -8 -8 -9 -11 -10 -7
Low °C -13 -11 -11 -11 -11 -11 -11 -11 -14 -14 -13 -13 -9 -8 -11 -12 -10 -9
Chill °C -16 -14 -14 -18 -19 -19 -17 -16 -12 -21 -21 -18 -19 -19 -21 -22 -20 -17
Freezing level (m) 0 600 0 0 450 100 350 600 0 0 300 0 450 1000 800 550 700 650
South Twin Sister freezing level scale
mountain backdrop South Twin Sister freezing level
Sunrise 6:58 - - 6:56 - - 6:54 - - 6:52 - - 6:50 - - 6:48 - -
Sunset - 5:43 - - 5:45 - - 5:45 - - 5:47 - - 5:49 - - 5:51 -

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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