Forecasts:


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North Twin Sister, United States Weather Forecast

Weather Forecast Issued (local time): 9 pm Tuesday 21 Nov 2017
  Days 0-3 North Twin Sister Weather Summary: Heavy rain (total 103mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu morning. Freeze-thaw conditions (max 5°C on Tue night, min -4°C on Thu afternoon). Winds decreasing (gales from the SSW on Wed night, moderate winds from the SW by Thu night). Days 3-6 North Twin Sister Weather Summary: A heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 1°C on Fri night, min -7°C on Sun night). Winds decreasing (near gales from the S on Sat night, light winds from the WSW by Mon night).
Tue Wednesday 22 Thursday 23 Friday 24 Saturday 25 Sunday 26 Mon
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 rain
moderate rain
heavy rain
heavy rain
heavy snow
moderate snow
heavy snow
moderate snow
light snow
snow showers
heavy snow
heavy snow
heavy snow
heavy snow
moderate snow
heavy snow
light snow
snow showers
Wind
km/h
35 SSW35
50 S50
65 SSW65
70 SSW70
55 WSW55
55 W55
35 SW35
25 SSW25
30 S30
25 SSE25
45 S45
55 SSW55
50 SW50
30 SSW30
25 SE25
15 SSE15
20 W20
20 W20
Summary heavy rain mod. rain heavy rain heavy rain heavy snow mod. snow heavy snow mod. snow light snow snow shwrs heavy snow heavy snow heavy snow heavy snow mod. snow heavy snow light snow snow shwrs
Snow cm - - - - 19 9 11 9 5 4 15 17 39 16 6 20 4 3
Rain mm 26 7 13 57 - - - - - - - - - - - - - -
High °C 5 5 5 4 -1 -4 -3 -4 -4 1 1 0 -2 -6 -5 -7 -7 -6
Low °C 5 5 4 3 -3 -4 -4 -4 -4 -3 1 -1 -5 -6 -6 -7 -7 -7
Chill °C -1 -1 -2 -4 -10 -14 -11 -11 -11 -6 -6 -8 -12 -14 -12 -17 -14 -12
Freezing level m 2900 2900 2850 2900 1850 1450 1500 1400 1400 1750 2200 2100 1550 1150 1250 900 950 1050
North Twin Sister freezing level scale
mountain backdrop North Twin Sister freezing level
Sunrise - 7:26 - - 7:28 - - 7:28 - - 7:31 - - 7:31 - - 7:33 -
Sunset - - 4:20 - - 4:19 - - 4:19 - - 4:17 - - 4:16 - - 4:15

This table gives the weather forecast for North Twin Sister at the specific elevation of 2024 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.