National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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2 Miles N Cascade Summit OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 52 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 85 °F

Tuesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 51 °F

Wednesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 81 °F

Wednesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 51 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 79 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 51 °F

Friday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 80 °F

Friday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 50 °F

Detailed Forecast

  • Tonight A slight chance of thunderstorms before 11pm. Partly cloudy, with a low around 52. Northwest wind 5 to 10 mph becoming light north northwest in the evening. Chance of precipitation is 20%.
  • Tuesday A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 85. 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.
  • Tuesday Night A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 51. Northwest wind 5 to 9 mph becoming north northeast in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Wednesday A 30 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 81. Light and variable wind becoming west around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Wednesday Night A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 51. Northwest wind 5 to 9 mph becoming light and variable in the evening.
  • Thursday A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 79.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51.
  • Friday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
  • Friday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
  • Saturday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
  • Saturday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.