Major Storm Pounding California; Winter Weather Threats Through This Weekend From the Central to Eastern U.S.

The last and strongest in a week-long parade of Pacific storms is pounding California with a variety of hazards, including heavy rainfall, mountain snow and flooding near recent wildfire burn scars. Meanwhile, a weak, progressive system may produce light snow from the Ohio Valley into the northern Mid-Atlantic region through early Friday. Then a major winter storm will develop for the weekend. Read More >

Current conditions at

Mt St Helens - Coldwater (MSH33)

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

NA

41°F

5°C

Humidity 90%
Wind Speed SSE 6 G 18 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 17 Jan 10:00 am PST
Extended Forecast for

Mount St Helens WA

Winter Weather Advisory January 17, 02:00pm until January 18, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Snow showers.  Temperature falling to around 29 by 5pm. Windy, with a south wind 25 to 29 mph, with gusts as high as 45 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.

    Snow Showers
    and Windy

    High: 33 °F

  • Tonight

    Tonight: Snow showers.  Low around 26. Windy, with a south southwest wind 20 to 25 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Snow Showers
    and Windy

    Low: 26 °F

  • Friday

    Friday: Snow showers likely before 10am, then snow after 10am.  High near 34. Windy, with a south southeast wind 15 to 23 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Snow and
    Windy

    High: 34 °F

  • Friday
    Night

    Friday Night: Snow before 10pm, then rain and snow.  Low around 28. Windy, with a south southwest wind 22 to 28 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Rain/Snow and
    Windy

    Low: 28 °F

  • Saturday

    Saturday: Snow before 10am, then snow showers likely after 10am.  High near 35. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Snow and
    Breezy

    High: 35 °F

  • Saturday
    Night

    Saturday Night: Snow showers likely before 10pm, then snow after 10pm.  Low around 26. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Snow

    Low: 26 °F

  • Sunday

    Sunday: Snow.  High near 28. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Snow

    High: 28 °F

  • Sunday
    Night

    Sunday Night: Snow showers.  Cloudy, with a low around 22. Blustery.

    Snow Showers
    and Blustery

    Low: 22 °F

  • M.L.King
    Day

    M.L.King Day: Snow showers likely.  Cloudy, with a high near 29. Blustery.

    Snow Showers
    Likely and
    Blustery

    High: 29 °F

Detailed Forecast

Today
Snow showers. Temperature falling to around 29 by 5pm. Windy, with a south wind 25 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow showers. Low around 26. Windy, with a south southwest wind 20 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday
Snow showers likely before 10am, then snow after 10am. High near 34. Windy, with a south southeast wind 15 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow before 10pm, then rain and snow. Low around 28. Windy, with a south southwest wind 22 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow before 10am, then snow showers likely after 10am. High near 35. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow showers likely before 10pm, then snow after 10pm. Low around 26. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow. High near 28. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow showers. Cloudy, with a low around 22. Blustery.
M.L.King Day
Snow showers likely. Cloudy, with a high near 29. Blustery.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow. Cloudy, with a high near 33. Breezy.
Tuesday Night
Snow likely. Cloudy, with a low around 26. Breezy.
Wednesday
Snow showers likely. Partly sunny, with a high near 36. Breezy.
Click Map For Forecast
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
11:02 am PST Jan 17, 2019
11am PST Jan 17, 2019-6pm PST Jan 23, 2019
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database