National Weather Service United States Department of Commerce

Heavy rain forecast for parts of the Southwest

The combination of a slow-moving front and monsoon moisture will bring thunderstorms to parts of the Southwest, some with heavy rain that could lead to isolated flash flooding. Areas at risk include southern Arizona, New Mexico and western Texas.
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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

Overnight

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 58 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 67 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 56 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 69 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 56 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 71 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 57 °F

Monday

Sunny

Sunny

High: 71 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 57 °F

Detailed Forecast

  • Overnight A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 58. North wind 3 to 5 mph.
  • Friday A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Friday Night A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 56. North northwest wind 6 to 11 mph becoming light and variable in the evening.
  • Saturday Mostly sunny, with a high near 69. Light northwest wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
  • Saturday Night Partly cloudy, with a low around 56. North northwest wind 8 to 13 mph becoming light northwest in the evening. Winds could gust as high as 20 mph.
  • Sunday Mostly sunny, with a high near 71.
  • Sunday Night Mostly clear, with a low around 57.
  • Monday Sunny, with a high near 71.
  • Monday Night Mostly clear, with a low around 57.
  • Tuesday Sunny, with a high near 72.
  • Tuesday Night Mostly clear, with a low around 55.
  • Wednesday Sunny, with a high near 72.
  • Wednesday Night Mostly clear, with a low around 55.
  • Thursday Sunny, with a high near 71.