National Weather Service United States Department of Commerce

Heavy rain and flash flooding possible in the Desert Southwest and Great Lake States this evening and tonight

A slow moving cold front may bring heavy rain and localized flooding Wednesday to portions of the Great Plains. More heavy rain will be possible in the Desert Southwest again Wednesday. Hot temperatures will continue in the Mississippi Valley - and spread up the east coast Wednesday.
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Current Conditions

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11 Miles NW Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Clear

Clear

Low: 59 °F

Wednesday

Sunny

Sunny

High: 72 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 56 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 64 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 52 °F

Friday

Partly Sunny

Partly
Sunny

High: 61 °F

Friday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 50 °F

Saturday

Chance Showers

Chance
Showers

High: 54 °F

Saturday
Night

Chance Showers

Chance
Showers

Low: 46 °F

Detailed Forecast

  • Overnight Clear, with a low around 59. Light north northwest wind.
  • Wednesday Sunny, with a high near 72. West northwest wind 3 to 8 mph.
  • Wednesday Night Mostly clear, with a low around 56. West northwest wind 6 to 9 mph.
  • Thursday Mostly sunny, with a high near 64. West northwest wind 5 to 7 mph.
  • Thursday Night Mostly clear, with a low around 52. North northwest wind 5 to 8 mph.
  • Friday Partly sunny, with a high near 61.
  • Friday Night A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 50.
  • Saturday A chance of showers. Cloudy, with a high near 54.
  • Saturday Night A chance of showers. Mostly cloudy, with a low around 46.
  • Sunday A chance of showers. Mostly cloudy, with a high near 55.
  • Sunday Night A chance of showers. Mostly cloudy, with a low around 45.
  • Labor Day A slight chance of showers. Partly sunny, with a high near 56.
  • Monday Night A slight chance of showers. Mostly cloudy, with a low around 47.
  • Tuesday A slight chance of showers. Partly sunny, with a high near 57.