Arctic Front Slides Southward; Heavy Rainfall Potential Across the South and for Hawaii

An arctic front will slowly drift southward this weekend. This will focus snow, locally heavy, from the Intermountain West, Rockies, Plains, and Great Lakes and eventually into the Northeast. Dangerously cold wind chills behind this arctic front are forecast for most of the Plains this weekend. Moisture will increase across the Gulf Coast and the State of Hawaii where flooding concerns increase. Read More >

Hazardous Weather Conditions

Wind Chill Advisory in effect from January 28, 08:00 PM PST until January 30, 11:00 AM PST

En Español

Current conditions at

Mt. St. Helens - Coldwater (MSH33)

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

34°F

1°C

Humidity	100%
Wind Speed	NW 0 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	28 Jan 04:00 AM PST

More Information:

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

Extended Forecast for

Mount St Helens WA

Wind Chill Advisory January 28, 08:00pm until January 30, 11:00am

Click here for hazard details and duration

Wind Chill Advisory

Overnight

Slight Chance
Snow
Low: 20 °F
Saturday

Snow Likely
and Patchy
Fog then
Heavy Snow
and Patchy
Fog
High: 22 °F⇓
Saturday
Night

Blustery.
Snow Likely
then Patchy
Blowing Snow
Low: 3 °F
Sunday

Blustery.
Patchy
Blowing Snow
then Sunny
High: 14 °F
Sunday
Night

Mostly Clear
Low: 4 °F
Monday

Sunny
High: 22 °F
Monday
Night

Mostly Cloudy
Low: 12 °F
Tuesday

Chance Snow
High: 24 °F
Tuesday
Night

Chance Snow
Low: 17 °F

Detailed Forecast

Overnight

A 20 percent chance of snow. Mostly cloudy, with a low around 20. Northwest wind around 8 mph.

Saturday

Snow. The snow could be heavy at times. Patchy fog after 11am. Temperature falling to around 18 by 5pm. Northwest wind 5 to 7 mph becoming calm in the morning. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Saturday Night

Snow likely, mainly before 8pm. Patchy blowing snow after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 3. Wind chill values as low as -17. Blustery, with an east wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Sunday

Patchy blowing snow before 11am. Sunny, with a high near 14. Wind chill values as low as -18. Blustery, with an east northeast wind 16 to 20 mph, with gusts as high as 31 mph.

Sunday Night

Mostly clear, with a low around 4. East wind 5 to 10 mph.

Monday

Sunny, with a high near 22.

Monday Night

Mostly cloudy, with a low around 12.

Tuesday

A chance of snow. Mostly cloudy, with a high near 24.

Tuesday Night

A chance of snow. Mostly cloudy, with a low around 17.

Wednesday

A chance of snow. Mostly cloudy, with a high near 27.