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South Twin Sister, United States Weather Forecast

Weather Forecast Issued (local time): 10 pm Monday 27 Mar 2017
  Days 0-3 South Twin Sister Weather Summary: A heavy fall of snow, heaviest during Tue morning. Temperatures will be below freezing (max -1°C on Wed morning, min -6°C on Wed night). Winds decreasing (near gales from the SSW on Wed morning, light winds from the WNW by Thu morning). Days 3-6 South Twin Sister Weather Summary: A moderate fall of snow, heaviest on Sat afternoon. Temperatures will be below freezing (max 0°C on Fri night, min -5°C on Thu night). Wind will be generally light.
Mon Tuesday 28 Wednesday 29 Thursday 30 Friday 31 Saturday 1 Sun
night AM PM night AM PM night AM PM night AM PM night AM PM night AM PM
See all weather maps
T washington.wind.18.cc23
T washington.wind.42.cc23
T washington.wind.66.cc23
T washington.wind.90.cc23
T washington.wind.114.cc23
 
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
light snow
clear
partially cloudy
partially cloudy
partially cloudy
light snow
moderate snow
light snow
cloudy
light snow
Wind
(km/h)
30 SSW30
30 S30
30 SW30
30 S30
50 SSW50
25 SW25
15 SW15
10 WNW10
10 NNW10
10 NNW10
5 NNW5
10 WNW10
20 W20
15 SW15
15 WSW15
10 NW10
5 ESE5
5 WNW5
Summary heavy snow heavy snow heavy snow heavy snow heavy snow heavy snow heavy snow heavy snow light snow clear some clouds some clouds some clouds light snow mod. snow light snow cloudy light snow
Snow (cm) 15 20 17 27 11 12 22 14 2 - - - - 1 6 2 - 4
Rain (mm) - - - - - - - - - - - - - - - - - -
High °C -5 -5 -4 -2 -1 -1 -2 -6 -5 -4 -3 -1 0 0 -1 -1 -2 -3
Low °C -5 -5 -5 -3 -1 -1 -6 -6 -6 -5 -4 -2 -1 -1 -1 -2 -2 -3
Chill °C -12 -13 -12 -9 -8 -9 -7 -11 -10 -9 -6 -5 -4 -5 -6 -5 -2 -5
Freezing level (m) 1200 1150 1300 1400 1900 1900 1200 1200 1300 1250 1300 1600 2100 1900 1800 1750 1700 1700
South Twin Sister freezing level scale
mountain backdrop South Twin Sister freezing level
Sunrise - 6:54 - - 6:52 - - 6:50 - - 6:48 - - 6:45 - - 6:43 -
Sunset - - 7:31 - - 7:34 - - 7:35 - - 7:37 - - 7:37 - - 7:39

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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