National Weather Service United States Department of Commerce

Slight Risk of Severe Thunderstorms is Forecast This Afternoon through Tonight

A few severe storms are possible late this afternoon, this evening and tonight across parts of the northern High Plains. Other strong storms are possible today in a corridor arcing from the central Gulf Coast into the Tennessee Valley, and across lower Michigan and adjacent portions of the Great Lakes region. Heavy rain and local flash flooding is possible Gulf Coast and Lower Mississippi Valley.
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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

Late
Afternoon

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 54 °F

Tonight

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 50 °F

Sunday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 58 °F

Sunday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 45 °F

Labor
Day

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 59 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 47 °F

Tuesday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 59 °F

Tuesday
Night

Slight Chance Showers

Slight Chc
Showers

Low: 43 °F

Wednesday

Slight Chance Showers

Slight Chc
Showers

High: 56 °F

Detailed Forecast

  • Late Afternoon Showers likely. Cloudy, with a high near 54. West southwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
  • Tonight A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 50. West wind 7 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Sunday A 20 percent chance of rain. Mostly cloudy, with a high near 58. West wind around 9 mph.
  • Sunday Night A 20 percent chance of showers. Mostly cloudy, with a low around 45. West northwest wind 5 to 11 mph.
  • Labor Day A 20 percent chance of showers before 11am. Partly sunny, with a high near 59. West wind around 8 mph.
  • Monday Night Mostly cloudy, with a low around 47.
  • Tuesday A 20 percent chance of showers. Partly sunny, with a high near 59.
  • Tuesday Night A slight chance of showers. Mostly cloudy, with a low around 43.
  • Wednesday A slight chance of showers. Partly sunny, with a high near 56.
  • Wednesday Night A slight chance of showers. Mostly cloudy, with a low around 41.
  • Thursday Partly sunny, with a high near 64.
  • Thursday Night Partly cloudy, with a low around 43.
  • Friday Sunny, with a high near 67.
  • Friday Night Mostly clear, with a low around 45.
  • Saturday Mostly sunny, with a high near 68.