National Weather Service United States Department of Commerce

Severe weather expected for Upper Midwest on Wednesday

A potent storm system will bring a chance of severe thunderstorms to parts of the Upper Midwest on Wednesday and Wednesday night. Very large hail, damaging wind gusts, tornadoes and heavy rain are possible with these storms.
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Current Conditions

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Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 40 °F

Wednesday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 63 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 42 °F

Thursday

Sunny

Sunny

High: 72 °F

Thursday
Night

Clear

Clear

Low: 47 °F

Friday

Sunny

Sunny

High: 74 °F

Friday
Night

Mostly Clear

Mostly
Clear

Low: 49 °F

Saturday

Sunny

Sunny

High: 76 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 45 °F

Detailed Forecast

  • Tonight A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 40. West northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 28 mph.
  • Wednesday A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 63. West northwest wind around 8 mph.
  • Wednesday Night Mostly clear, with a low around 42. North northwest wind 5 to 10 mph becoming east in the evening.
  • Thursday Sunny, with a high near 72. East wind 8 to 11 mph.
  • Thursday Night Clear, with a low around 47. East wind around 11 mph.
  • Friday Sunny, with a high near 74.
  • Friday Night Mostly clear, with a low around 49.
  • Saturday Sunny, with a high near 76.
  • Saturday Night Mostly clear, with a low around 45.
  • Sunday Sunny, with a high near 72.
  • Sunday Night A chance of rain. Mostly cloudy, with a low around 46.
  • Monday A chance of showers. Mostly cloudy, with a high near 67.
  • Monday Night A chance of rain. Mostly cloudy, with a low around 48.
  • Tuesday A chance of showers. Mostly cloudy, with a high near 69.