National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Cold Front Continues Crossing the Central and Eastern States into the Weekend

A strong cold front continues to cross the central US reaching the East Coast on Sunday. Gusty winds and snow are expected for the Rockies, northern Plains, and Upper Midwest through Saturday. Severe thunderstorms are forecast late Saturday from east Texas into the Tennessee River Valley. Heavy rain is expected for the East Coast and high winds for coastal Long Island into New England late Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Mt. St. Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260.0ft.

NA

1°C

34°F

Humidity 73%
Wind Speed NNE 6 MPH
Barometer NA
Dewpoint -3°C (26°F)
Visibility NA
Wind Chill-2°C (29°F)
Last update 09 Dec 03:00 AM PST
Extended Forecast for

Mount St Helens WA

Winter Weather Advisory December 9, 10:00am until December 10, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow before 1pm, then rain and snow between 1pm and 2pm, then rain after 2pm. Snow level rising to 7500 meters in the afternoon. High near -2. Windy, with a south wind 24 to 29 km/h increasing to 32 to 37 km/h in the morning. Winds could gust as high as 60 km/h. Chance of precipitation is 100%. Total daytime snow accumulation of 13 to 19 centimeters possible.

    Windy. Snow
    then
    Rain/Snow

    High: -2 °C

  • Tonight

    Tonight: Rain. The rain could be heavy at times. Temperature rising to around 1 by 5am. Windy, with a south southwest wind 34 to 39 km/h decreasing to 24 to 29 km/h after midnight. Winds could gust as high as 65 km/h. Chance of precipitation is 100%. New precipitation amounts in excess of 4 cm possible.

    Heavy Rain
    and Windy

    Low: -3 °C⇑

  • Sunday

    Sunday: Rain before 10am, then rain and snow. High near 0. Southwest wind 18 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 100%. New snow accumulation of less than a half centimeter possible.

    Rain/Snow

    High: 0 °C

  • Sunday
    Night

    Sunday Night: Rain and snow. Low around -2. Northwest wind around 10 km/h. Chance of precipitation is 100%. New snow accumulation of 1 to 2 centimeters possible.

    Rain/Snow

    Low: -2 °C

  • Monday

    Monday: Rain and snow showers likely, becoming all snow after 7am. Mostly cloudy, with a high near -1. North northwest wind 8 to 10 km/h. Chance of precipitation is 60%. New snow accumulation of less than a half centimeter possible.

    Rain/Snow
    Likely then
    Chance Snow
    Showers

    High: -1 °C

  • Monday
    Night

    Monday Night: A 20 percent chance of snow showers before 10pm. Mostly cloudy, with a low around -5.

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

    Low: -5 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near -2.

    Mostly Sunny

    High: -2 °C

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around -4. Breezy.

    Mostly Cloudy
    and Breezy

    Low: -4 °C

  • Wednesday

    Wednesday: Snow likely, mainly after 4pm. Partly sunny, with a high near -2. Breezy.

    Snow Likely
    and Breezy

    High: -2 °C

Detailed Forecast

Today
Snow before 1pm, then rain and snow between 1pm and 2pm, then rain after 2pm. Snow level rising to 7500 meters in the afternoon. High near -2. Windy, with a south wind 24 to 29 km/h increasing to 32 to 37 km/h in the morning. Winds could gust as high as 60 km/h. Chance of precipitation is 100%. Total daytime snow accumulation of 13 to 19 centimeters possible.
Tonight
Rain. The rain could be heavy at times. Temperature rising to around 1 by 5am. Windy, with a south southwest wind 34 to 39 km/h decreasing to 24 to 29 km/h after midnight. Winds could gust as high as 65 km/h. Chance of precipitation is 100%. New precipitation amounts in excess of 4 cm possible.
Sunday
Rain before 10am, then rain and snow. High near 0. Southwest wind 18 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 100%. New snow accumulation of less than a half centimeter possible.
Sunday Night
Rain and snow. Low around -2. Northwest wind around 10 km/h. Chance of precipitation is 100%. New snow accumulation of 1 to 2 centimeters possible.
Monday
Rain and snow showers likely, becoming all snow after 7am. Mostly cloudy, with a high near -1. North northwest wind 8 to 10 km/h. Chance of precipitation is 60%. New snow accumulation of less than a half centimeter possible.
Monday Night
A 20 percent chance of snow showers before 10pm. Mostly cloudy, with a low around -5.
Tuesday
Mostly sunny, with a high near -2.
Tuesday Night
Mostly cloudy, with a low around -4. Breezy.
Wednesday
Snow likely, mainly after 4pm. Partly sunny, with a high near -2. Breezy.
Wednesday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around -4.
Thursday
A chance of snow. Partly sunny, with a high near -2.
Thursday Night
A chance of snow showers. Partly cloudy, with a low around -4. Breezy.
Friday
A chance of snow showers. Partly sunny, with a high near -1. Breezy.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 1891 m)
Last Update:
3:41 am PST Dec 9, 2023
Forecast Valid:
4am PST Dec 9, 2023-6pm PST Dec 15, 2023
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation