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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Current Conditions

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Mount St Helens WA

7 Day Forecast

Portland, OR

NWS Weather Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 33 °F

Sunday

Mostly Cloudy

Mostly
Cloudy

High: 54 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 41 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 53 °F

Monday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 34 °F

Tuesday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 41 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 26 °F

Wednesday

Snow Likely

Snow
Likely

High: 43 °F

Wednesday
Night

Snow Likely

Snow
Likely

Low: 31 °F

Detailed Forecast

  • Overnight A 50 percent chance of snow showers. Cloudy, with a low around 33. West southwest wind 9 to 11 mph. Little or no snow accumulation expected.
  • Sunday Mostly cloudy, with a high near 54. South wind around 9 mph.
  • Sunday Night Mostly cloudy, with a low around 41. South southwest wind around 6 mph becoming light and variable.
  • Monday A chance of rain showers before 11am, then a chance of rain and snow showers. Mostly cloudy, with a high near 53. South wind 8 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Monday Night Snow showers. Low around 34. West southwest wind 9 to 11 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Tuesday Snow showers likely. Cloudy, with a high near 41. Chance of precipitation is 70%. Little or no snow accumulation expected.
  • Tuesday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 26. Little or no snow accumulation expected.
  • Wednesday Snow likely. Mostly cloudy, with a high near 43.
  • Wednesday Night Snow likely. Cloudy, with a low around 31.
  • Thursday Snow. Cloudy, with a high near 38.
  • Thursday Night Snow showers likely. Cloudy, with a low around 30.
  • Friday A chance of snow showers. Cloudy, with a high near 40.
  • Friday Night Snow showers likely. Cloudy, with a low around 29.
  • Saturday Snow showers likely. Cloudy, with a high near 33.

 

Additional Forecasts and Information

Zone Area Forecast for South Washington Cascades, WA