Forecasts:


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North Twin Sister, United States Weather Forecast

Weather Forecast Issued (local time): 3 pm Sunday 17 Dec 2017
  Days 0-3 North Twin Sister Weather Summary: A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Sun afternoon, min -6°C on Tue night). Winds increasing (calm on Mon afternoon, near gales from the S by Tue morning). Days 3-6 North Twin Sister Weather Summary: A moderate fall of snow, heaviest on Thu night. Temperatures will be below freezing (max -5°C on Wed afternoon, min -11°C on Fri night). Wind will be generally light.
Sun Monday 18 Tuesday 19 Wednesday 20 Thursday 21 Friday 22 Sat
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
heavy snow
heavy snow
heavy snow
heavy snow
snow showers
clear
clear
partially cloudy
light snow
moderate snow
partially cloudy
clear
clear
clear
Wind
km/h
30 SSW30
35 WSW35
15 WSW15
10 WSW10
10 SSE10
55 S55
35 SW35
15 SSW15
10 NNE10
10 NE10
5 NNW5
10 WSW10
10 SW10
10 NNE10
25 NE25
25 ENE25
20 ENE20
15 ENE15
Summary heavy snow heavy snow light snow light snow heavy snow heavy snow heavy snow heavy snow snow shwrs clear clear some clouds light snow mod. snow some clouds clear clear clear
Snow cm 18 46 4 4 27 17 32 32 1 - - - 3 7 - - - -
Rain mm - - - - - - - - - - - - - - - - - -
High °C 1 1 -3 -4 0 0 -1 -6 -6 -5 -5 -6 -7 -7 -8 -10 -10 -10
Low °C 1 -2 -3 -4 -3 0 -4 -6 -6 -6 -6 -7 -8 -7 -10 -10 -11 -11
Chill °C -5 -6 -9 -9 -8 -8 -8 -13 -10 -8 -7 -11 -12 -10 -16 -19 -18 -17
Freezing level m 1650 1650 1050 900 1050 1600 1300 550 350 400 0 0 350 0 0 0 0 0
North Twin Sister freezing level scale
mountain backdrop North Twin Sister freezing level
Sunrise - - 7:56 - - 7:56 - - 7:56 - - 7:56 - - 7:58 - - 7:58
Sunset 4:12 - - 4:12 - - 4:13 - - 4:13 - - 4:14 - - 4:14 - -

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.