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.
Read More...

Current Conditions

En Español

Share |

3 Miles NW Mount St Helens WA

7 Day Forecast

Portland, OR

NWS Weather Forecast Office

Tonight

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

Low: 36 °F

Sunday

Mostly Cloudy

Mostly
Cloudy

High: 56 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 43 °F

Monday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 54 °F

Monday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 37 °F

Tuesday

Snow Chance for Measurable Precipitation 80%

Snow

High: 43 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 33 °F

Wednesday

Snow Likely

Snow
Likely

High: 45 °F

Wednesday
Night

Rain Likely

Rain
Likely

Low: 36 °F

Detailed Forecast

  • Tonight Rain showers before 11pm, then a chance of rain and snow showers. Low around 36. Southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Sunday Mostly cloudy, with a high near 56. South wind around 7 mph.
  • Sunday Night Mostly cloudy, with a low around 43. Calm wind becoming southeast around 6 mph after midnight.
  • Monday A 40 percent chance of showers. Mostly cloudy, with a high near 54. South southeast wind 6 to 11 mph.
  • Monday Night Rain showers. Low around 37. West southwest wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Snow showers. High near 43. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Tuesday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 33. Little or no snow accumulation expected.
  • Wednesday Snow likely. Mostly cloudy, with a high near 45.
  • Wednesday Night Rain likely. Cloudy, with a low around 36.
  • Thursday Rain likely. Cloudy, with a high near 44.
  • Thursday Night Rain showers likely. Cloudy, with a low around 37.
  • Friday A chance of rain and snow showers. Cloudy, with a high near 46.
  • Friday Night Rain showers likely. Cloudy, with a low around 35.
  • Saturday Snow showers likely. Cloudy, with a high near 42.

 

Additional Forecasts and Information

Zone Area Forecast for South Washington Cascades, WA