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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6 Miles W Mount St Helens WA

7 Day Forecast

Portland, OR

NWS Weather Forecast Office

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 32 °F

Monday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 42 °F

Monday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 26 °F

Tuesday

Snow Chance for Measurable Precipitation 80%

Snow

High: 29 °F

Tuesday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 25 °F

Wednesday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 28 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 28 °F

Thursday

Rain/Snow

Rain/Snow

High: 38 °F

Thursday
Night

Rain/Snow

Rain/Snow

Low: 32 °F

Detailed Forecast

  • Tonight Mostly cloudy, with a low around 32. South wind around 6 mph.
  • Monday A 40 percent chance of showers. Mostly cloudy, with a high near 42. South wind 6 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Monday Night Rain showers. Low around 26. West wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Tuesday Snow showers. High near 29. West wind 7 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
  • Tuesday Night Snow showers. Low around 25. South southwest wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
  • Wednesday Snow likely. Cloudy, with a high near 28. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.
  • Wednesday Night Rain. Low around 28. Chance of precipitation is 90%.
  • Thursday Rain and snow. Cloudy, with a high near 38.
  • Thursday Night Rain and snow showers. Cloudy, with a low around 32.
  • Friday Snow showers likely. Cloudy, with a high near 33.
  • Friday Night Snow showers likely. Cloudy, with a low around 31.
  • Saturday Snow showers likely. Cloudy, with a high near 36.
  • Saturday Night Snow likely. Cloudy, with a low around 31.
  • Sunday Snow likely. Cloudy, with a high near 35.

 

Additional Forecasts and Information

Zone Area Forecast for South Washington Cascades, WA