Forecasts:

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North Twin Sister, United States Weather Forecast

Weather Forecast Issued (local time):
  Days 0-3 North Twin Sister Weather Summary: A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -3°C on Sat afternoon, min -9°C on Thu night). Mainly strong winds. Days 3-6 North Twin Sister Weather Summary: A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be well below freezing (max -6°C on Sun morning, min -14°C on Sun night). Wind will be generally light.
Thursday 8 Friday 9 Saturday 10 Sunday 11 Monday 12 Tuesday 13
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
 
clear
partially cloudy
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
moderate snow
moderate snow
moderate snow
partially cloudy
clear
clear
clear
clear
clear
Wind
(km/h)
15 E15
15 E15
15 E15
15 SSE15
10 SE10
15 SSW15
35 S35
40 S40
30 W30
25 WSW25
20 W20
10 NNE10
15 ENE15
15 ENE15
10 ENE10
10 E10
5 E5
5 ENE5
Summary clear some clouds heavy snow heavy snow heavy snow heavy snow heavy snow heavy snow heavy snow mod. snow mod. snow mod. snow some clouds clear clear clear clear clear
Snow (cm) - - 12 17 20 23 17 11 45 7 7 6 - - - - - -
Rain (mm) - - - - - - - - - - - - - - - - - -
High °C -7 -6 -6 -6 -5 -4 -4 -3 -3 -6 -6 -8 -13 -11 -9 -8 -6 -6
Low °C -8 -7 -9 -6 -6 -5 -4 -4 -6 -6 -7 -14 -13 -12 -10 -9 -7 -6
Chill °C -13 -12 -12 -12 -9 -10 -12 -11 -10 -14 -13 -13 -20 -17 -14 -12 -9 -8
Freezing level (m) 0 0 0 0 400 400 800 950 900 650 600 0 0 0 0 0 0 0
North Twin Sister freezing level scale
mountain backdrop North Twin Sister freezing level
Sunrise 7:48 - - 7:48 - - 7:50 - - 7:50 - - 7:52 - - 7:52 - -
Sunset - 4:10 - - 4:10 - - 4:10 - - 4:10 - - 4:10 - - 4:10 -

This table gives the weather forecast for North Twin Sister at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of North 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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