National Weather Service United States Department of Commerce

Unseasonably cold temperatures in the central and eastern U.S. through Wednesday

A powerful cold front has ushered in unseasonably cold temperatures to the central and eastern U.S. for early this week. Freezing temperatures will dive into the Deep South and to the Mid-Atlantic through Wednesday morning. This will be damaging to sensitive vegetation. Numerous Frost Advisories and Freeze Warnings are in effect.
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Current Conditions

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Mount St Helens WA

7 Day Forecast

Portland, OR

NWS Weather Forecast Office

Tonight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 34 °F

Wednesday

Snow Chance for Measurable Precipitation 90%

Snow

High: 44 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 38 °F

Thursday

Snow Chance for Measurable Precipitation 90%

Snow

High: 42 °F

Thursday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 32 °F

Friday

Partly Sunny

Partly
Sunny

High: 43 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 34 °F

Saturday

Chance Snow

Chance
Snow

High: 49 °F

Saturday
Night

Chance Snow

Chance
Snow

Low: 32 °F

Detailed Forecast

  • Tonight Snow, mainly after 11pm. Low around 34. West southwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
  • Wednesday Snow. High near 44. West wind around 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Wednesday Night Snow likely. Cloudy, with a low around 38. Southwest wind around 7 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
  • Thursday Snow showers. High near 42. Southwest wind 5 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Thursday Night Snow showers likely, mainly before 11pm. Cloudy, with a low around 32. West wind 8 to 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Friday Partly sunny, with a high near 43.
  • Friday Night Partly cloudy, with a low around 34.
  • Saturday A chance of snow showers. Mostly cloudy, with a high near 49.
  • Saturday Night A chance of snow showers. Mostly cloudy, with a low around 32.
  • Sunday A slight chance of snow showers. Partly sunny, with a high near 46.
  • Sunday Night A slight chance of snow showers. Mostly cloudy, with a low around 33.
  • Monday A chance of snow showers. Mostly cloudy, with a high near 44.
  • Monday Night A chance of snow showers. Mostly cloudy, with a low around 31.
  • Tuesday A chance of snow showers. Mostly cloudy, with a high near 43.

 

Additional Forecasts and Information

Zone Area Forecast for South Washington Cascades, WA