Active Pattern for the Center of the Nation

Severe thunderstorms, excessive rainfall, critical fire weather are all in the outlook today and into this last weekend of April. Very large hail, severe wind gusts, and a couple strong tornadoes will all be possible across the central and southern Plains today. Flash flooding also possible for portions of the Plains and Mississippi Valley. Critical fire weather conditions for Southern High Plains Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from April 25, 12:00 PM PDT until April 27, 12:00 AM PDT

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Current conditions at

Mt. St. Helens - Coldwater (MSH33)

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

7°C

45°F

Humidity	100%
Wind Speed	S 0 MPH
Barometer	NA
Dewpoint	7°C (45°F)
Visibility	NA
Last update	25 Apr 04:00 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Mount St Helens WA

Winter Weather Advisory April 25, 12:00pm until April 27, 12:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight

Snow
Low: -1 °C
Thursday

Windy. Heavy
Snow then
Rain/Snow
High: 1 °C
Thursday
Night

Rain/Snow and
Windy
Low: -1 °C
Friday

Snow Showers
and Breezy
High: -1 °C
Friday
Night

Snow Showers
and Breezy
then
Rain/Snow
Likely
Low: -2 °C
Saturday

Rain/Snow
High: -1 °C
Saturday
Night

Rain/Snow
Low: -2 °C
Sunday

Snow Showers
High: 0 °C
Sunday
Night

Snow Showers
Low: -3 °C

Detailed Forecast

Overnight

Snow. Low around -1. Southwest wind around 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 centimeters possible.

Thursday

Snow before 5pm, then rain and snow. The rain and snow could be heavy at times. High near 1. Windy, with a south southwest wind 26 to 31 km/h increasing to 35 to 40 km/h in the afternoon. Winds could gust as high as 60 km/h. Chance of precipitation is 100%. New snow accumulation of 18 to 24 centimeters possible.

Thursday Night

Rain and snow showers, becoming all snow after 1am. The rain and snow could be heavy at times. Low around -1. Windy, with a southwest wind 30 to 35 km/h decreasing to 24 to 29 km/h after midnight. Winds could gust as high as 60 km/h. Chance of precipitation is 100%. New snow accumulation of 18 to 24 centimeters possible.

Friday

Snow showers. High near -1. Breezy, with a southwest wind 27 to 29 km/h, with gusts as high as 35 km/h. Chance of precipitation is 100%. New snow accumulation of 9 to 13 centimeters possible.

Friday Night

Snow showers before 2am, then rain and snow showers likely between 2am and 5am, then snow showers likely after 5am. Low around -2. Breezy, with a west southwest wind 22 to 27 km/h decreasing to 11 to 16 km/h in the evening. Chance of precipitation is 90%. New snow accumulation of 4 to 8 centimeters possible.

Saturday

Rain showers and snow before 11am, then snow between 11am and 5pm, then rain and snow showers after 5pm. High near -1. Chance of precipitation is 90%. New snow accumulation of 3 to 5 centimeters possible.

Saturday Night

Rain and snow showers, becoming all snow after 2am. Low around -2. Chance of precipitation is 90%. New snow accumulation of 2 to 4 centimeters possible.

Sunday

Snow showers. Some thunder is also possible. Cloudy, with a high near 0.

Sunday Night

Snow showers. Some thunder is also possible. Cloudy, with a low around -3.

Monday

Snow showers. The snow could be heavy at times. Cloudy, with a high near -1.

Monday Night

Snow showers likely. Mostly cloudy, with a low around -4.

Tuesday

Snow showers likely. Mostly cloudy, with a high near 2.

Tuesday Night

A chance of snow. Mostly cloudy, with a low around -3.