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Mount Saint Helens, United States Weather Forecast

Weather Forecast Issued (local time): 4 am Friday 28 Aug 2015
  Days 0-3 Mount Saint Helens Weather Summary: Heavy rain (total 28mm) on Sat morning. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 8°C on Fri night, min -2°C on Sun morning). Winds decreasing (stormy winds from the SW on Sat morning, fresh winds from the WSW by Sun night). Days 3-6 Mount Saint Helens Weather Summary: Moderate rain (total 11mm), heaviest on Tue morning giving way to a moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 3°C on Mon afternoon, min -4°C on Wed morning). Winds decreasing (gales from the WSW on Tue afternoon, light winds from the NNW by Thu morning).
Friday 28 Saturday 29 Sunday 30 Monday 31 Tuesday 1 Wednesday 2
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
 
moderate rain
light rain
rain showers
moderate snow
light snow
snow showers
snow showers
light snow
snow showers
light snow
rain showers
light snow
moderate rain
moderate snow
partially cloudy
clear
snow showers
clear
Wind
(km/h)
55 SSW55
55 SSW55
45 SSE45
100 SW100
70 SW70
70 SW70
40 WSW40
40 WSW40
45 WSW45
35 WSW35
40 WSW40
45 WSW45
55 WSW55
65 WSW65
40 W40
25 W25
25 WNW25
20 WNW20
Summary mod. rain light rain rain shwrs mod. snow light snow snow shwrs snow shwrs light snow snow shwrs light snow rain shwrs light snow mod. rain mod. snow some clouds clear snow shwrs clear
Snow (cm) - - - 6 5 22 3 3 2 1 - 1 - 7 - - 1 -
Rain (mm) 9 3 4 12 - - - - - - 2 2 7 - - - - -
High °C 5 6 8 3 1 1 -1 1 2 2 3 2 2 2 -1 -3 -2 -2
Low °C 5 5 6 1 1 -1 -2 0 1 2 2 1 2 1 -3 -4 -2 -2
Chill °C -1 0 3 -6 -8 -8 -9 -6 -5 -5 -4 -5 -5 -6 -10 -10 -9 -9
Freezing level (m) 3550 3500 3800 2750 2750 2550 2350 2700 3100 2900 3100 2850 3050 2800 2000 2050 2300 2200
Mount Saint Helens freezing level scale
mountain backdrop Mount Saint Helens freezing level
Sunrise 6:22 - - 6:24 - - 6:26 - - 6:26 - - 6:28 - - 6:30 - -
Sunset - 19:54 - - 19:52 - - 19:51 - - 19:49 - - 19:46 - - 19:45 -

This table gives the weather forecast for Mount Saint Helens at the specific elevation of 2550 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Saint Helens. 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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