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South Twin Sister, United States Weather Forecast

Weather Forecast Issued (local time):
  Days 0-3 South Twin Sister Weather Summary: Mild with heavy rain (total 149mm), heaviest during Fri morning. Becoming colder with a moderate fall of snow heaviest on Fri afternoon. Freeze-thaw conditions (max 5°C on Thu night, min -1°C on Fri night). Wind will be generally light. Days 3-6 South Twin Sister Weather Summary: A heavy fall of snow, heaviest during Mon night. Becoming milder with moderate rain (total 13mm) on Tue morning. Freeze-thaw conditions (max 3°C on Tue morning, min -2°C on Sun night). Wind will be generally light.
Wednesday 1 Thursday 2 Friday 3 Saturday 4 Sunday 5 Monday 6
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
 
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
moderate snow
moderate snow
light snow
light snow
light snow
moderate snow
light snow
heavy snow
moderate snow
light snow
heavy snow
Wind
(km/h)
15 WSW15
10 WSW10
10 SSE10
15 SSE15
15 SSE15
20 S20
25 S25
15 WSW15
10 WSW10
10 SE10
5 ESE5
10 E10
15 S15
10 SSW10
10 WSW10
15 S15
20 WSW20
15 SW15
Summary heavy rain heavy rain heavy rain heavy rain heavy rain heavy rain heavy rain mod. snow mod. snow light snow light snow light snow mod. snow light snow heavy snow mod. snow light snow heavy snow
Snow (cm) - - - - - - - 9 10 2 2 5 7 3 13 6 4 18
Rain (mm) 15 13 21 12 19 44 25 - - - - - - - - - - 4
High °C 3 4 3 4 3 5 5 2 0 1 1 -1 0 0 -2 1 1 2
Low °C 3 3 2 3 3 3 4 1 -1 0 0 -1 0 -1 -2 -1 1 1
Chill °C -1 1 1 1 -1 1 1 -2 -2 -2 -1 -5 -4 -4 -7 -4 -4 -1
Freezing level (m) 950 1000 1000 1000 1050 1250 1300 750 550 450 700 250 450 550 150 350 650 750
South Twin Sister freezing level scale
mountain backdrop South Twin Sister freezing level
Sunrise 6:48 - - 6:47 - - 6:45 - - 6:43 - - 6:41 - - 6:39 - -
Sunset - 5:51 - - 5:52 - - 5:53 - - 5:55 - - 5:57 - - 5:59 -

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 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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