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Atmospheric River in the Pacific Northwest and Northwest California Early This Week

An atmospheric river event will bring heavy rains and rising snow levels to the Pacific Northwest and northwest California early this week. Snow levels will rise above 8,000 feet, and 4 to 7 inches of rain is forecast for the southwest facing slopes of the mountains. Minor river and localized flooding will be possible. In the east, winds decrease by Monday, and the week will be relatively dry. Read More >

Current conditions at

Mt St Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260ft.

NA

40°F

4°C

Humidity 100%
Wind Speed ENE 2 G 9 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 20 Nov 1:00 am PST
Extended Forecast for

Mount St Helens WA

Winter Storm Warning until November 20, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until November 20, 06:00am

    NOW until
    6:00am Mon

    Winter Storm Warning

  • Overnight

    Overnight: Snow before 4am, then rain and snow. The snow could be heavy at times.  Low around 30. Windy, with a southwest wind around 32 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.

    Rain/Snow and
    Windy

    Low: 30 °F

  • Monday

    Monday: Rain and snow before 10am, then a chance of snow between 10am and 4pm.  Temperature falling to around 33 by 4pm. Southwest wind 7 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Rain/Snow
    then Chance
    Snow

    High: 38 °F

  • Monday
    Night

    Monday Night: Snow after 10pm.  Temperature rising to around 41 by 3am. South southwest wind 9 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Snow

    Low: 33 °F

  • Tuesday

    Tuesday: Rain.  High near 45. Breezy, with a south southwest wind 16 to 21 mph increasing to 23 to 28 mph in the morning. Winds could gust as high as 44 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Rain and
    Breezy

    High: 45 °F

  • Tuesday
    Night

    Tuesday Night: Rain.  Low around 41. Breezy, with a south southwest wind 24 to 29 mph, with gusts as high as 46 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain and
    Breezy

    Low: 41 °F

  • Wednesday

    Wednesday: Rain.  High near 47. Breezy.  Chance of precipitation is 90%.

    Rain and
    Breezy

    High: 47 °F

  • Wednesday
    Night

    Wednesday Night: Rain likely.  Cloudy, with a low around 39. Breezy.  Chance of precipitation is 60%.

    Rain Likely
    and Breezy

    Low: 39 °F

  • Thanksgiving
    Day

    Thanksgiving Day: Rain.  Cloudy, with a high near 41. Windy.

    Rain and
    Windy

    High: 41 °F

Detailed Forecast

Overnight
Snow before 4am, then rain and snow. The snow could be heavy at times. Low around 30. Windy, with a southwest wind around 32 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.
Monday
Rain and snow before 10am, then a chance of snow between 10am and 4pm. Temperature falling to around 33 by 4pm. Southwest wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday Night
Snow after 10pm. Temperature rising to around 41 by 3am. South southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Rain. High near 45. Breezy, with a south southwest wind 16 to 21 mph increasing to 23 to 28 mph in the morning. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday Night
Rain. Low around 41. Breezy, with a south southwest wind 24 to 29 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain. High near 47. Breezy. Chance of precipitation is 90%.
Wednesday Night
Rain likely. Cloudy, with a low around 39. Breezy. Chance of precipitation is 60%.
Thanksgiving Day
Rain. Cloudy, with a high near 41. Windy.
Thursday Night
Snow. Mostly cloudy, with a low around 29. Breezy.
Friday
Snow showers likely. Mostly cloudy, with a high near 34.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 29.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 40.
Saturday Night
Snow likely. Mostly cloudy, with a low around 30.
Sunday
Snow likely. Mostly cloudy, with a high near 37.
Click Map For Forecast
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
1:14 am PST Nov 20, 2017
2am PST Nov 20, 2017-6pm PST Nov 26, 2017
 
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