National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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Current Conditions

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3 Miles S Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 49 °F

Saturday

Sunny

Sunny

High: 74 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 51 °F

Sunday

Sunny

Sunny

High: 77 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 53 °F

Monday

Sunny

Sunny

High: 81 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 54 °F

Tuesday

Sunny

Sunny

High: 86 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 57 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 49. Northwest wind 5 to 9 mph becoming light and variable in the evening.
  • Saturday Sunny, with a high near 74. Calm wind becoming northwest 5 to 9 mph in the afternoon.
  • Saturday Night Mostly clear, with a low around 51. North northeast wind 5 to 11 mph.
  • Sunday Sunny, with a high near 77. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
  • Sunday Night Partly cloudy, with a low around 53. North wind 6 to 9 mph.
  • Monday Sunny, with a high near 81.
  • Monday Night Mostly clear, with a low around 54.
  • Tuesday Sunny, with a high near 86.
  • Tuesday Night Mostly clear, with a low around 57.
  • Wednesday Sunny, with a high near 86.
  • Wednesday Night Partly cloudy, with a low around 56.
  • Thursday Partly sunny, with a high near 74.
  • Thursday Night Mostly cloudy, with a low around 51.
  • Friday Partly sunny, with a high near 74.