National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
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Hazardous Weather Conditions

Current Conditions

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Mount St Helens WA

7 Day Forecast

Portland, OR

NWS Weather Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 38 °F

Monday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 51 °F

Monday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 32 °F

Tuesday

Snow Chance for Measurable Precipitation 90%

Snow

High: 38 °F

Tuesday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 31 °F

Wednesday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 40 °F

Wednesday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 29 °F

Thursday

Snow

Snow

High: 40 °F

Thursday
Night

Snow

Snow

Low: 26 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 38. South wind around 7 mph.
  • Monday A 40 percent chance of snow showers. Mostly cloudy, with a high near 51. South wind 6 to 13 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
  • Monday Night Snow showers. Low around 32. West wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
  • Tuesday Snow showers. High near 38. West wind 9 to 11 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
  • Tuesday Night Snow showers. Low around 31. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.
  • Wednesday Snow likely. Cloudy, with a high near 40. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
  • Wednesday Night Snow. Low around 29. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
  • Thursday Snow. Cloudy, with a high near 40.
  • Thursday Night Snow showers. Cloudy, with a low around 26.
  • Friday Snow showers likely. Cloudy, with a high near 39.
  • Friday Night Snow showers likely. Cloudy, with a low around 25.
  • Saturday Snow showers likely. Cloudy, with a high near 31.
  • Saturday Night Snow likely. Cloudy, with a low around 24.
  • Sunday Snow likely. Cloudy, with a high near 37.

 

Additional Forecasts and Information

Zone Area Forecast for South Washington Cascades, WA