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South Twin Sister, United States Weather Forecast

Weather Forecast Issued (local time):
  Days 0-3 South Twin Sister Weather Summary: A heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 2°C on Wed afternoon, min -3°C on Wed night). Winds decreasing (strong winds from the SSW on Wed afternoon, calm by Fri morning). Days 3-6 South Twin Sister Weather Summary: A heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 2°C on Sat afternoon, min -4°C on Mon morning). Wind will be generally light.
Wed Thursday 30 Friday 31 Saturday 1 Sunday 2 Monday 3 Tue
PM night AM PM night AM PM night AM PM night AM PM night AM PM night AM
See all weather maps
T washington.wind.30.cc23
T washington.wind.54.cc23
T washington.wind.78.cc23
T washington.wind.102.cc23
T washington.wind.126.cc23
 
heavy snow
heavy snow
light snow
light snow
partially cloudy
partially cloudy
partially cloudy
snow showers
light snow
partially cloudy
partially cloudy
snow showers
light snow
snow showers
light snow
snow showers
partially cloudy
light snow
Wind
(km/h)
25 WSW25
25 WSW25
10 WSW10
10 WNW10
5 WNW5
0 W0
5 SSW5
15 SSE15
15 SW15
15 SW15
10 SW10
15 WSW15
15 WSW15
10 WSW10
5 WSW5
5 SW5
15 SSE15
20 SSE20
Summary heavy snow heavy snow light snow light snow some clouds some clouds some clouds snow shwrs light snow some clouds some clouds snow shwrs light snow snow shwrs light snow snow shwrs some clouds light snow
Snow (cm) 12 18 5 2 - - - 2 5 - - 2 5 9 2 1 - 3
Rain (mm) - - - - - - - - - - - - - - - - - -
High °C 2 -2 -3 -2 -2 -2 1 1 1 2 1 -2 -2 -2 -4 -2 -1 -2
Low °C 1 -3 -3 -2 -2 -2 0 0 0 2 -2 -2 -2 -3 -4 -3 -2 -2
Chill °C -5 -9 -8 -6 -2 -4 0 -2 -3 -1 -3 -6 -7 -6 -8 -4 -6 -7
Freezing level (m) 1600 1100 1100 1250 1100 1250 1750 1850 1750 1800 1350 1200 1200 1000 950 1200 1200 1250
South Twin Sister freezing level scale
mountain backdrop South Twin Sister freezing level
Sunrise - - 6:50 - - 6:48 - - 6:45 - - 6:43 - - 6:41 - - 6:39
Sunset 7:34 - - 7:35 - - 7:37 - - 7:37 - - 7:39 - - 7:40 - -

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.

 

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