National Weather Service United States Department of Commerce

Flash flooding possible for parts of Upper Midwest

A slow-moving weather system progressing from the northern Plains to the Great Lakes will bring excessive rainfall and a risk of flash flooding to portions of the Upper Midwest on Friday. The heaviest rainfall is expected from central Iowa northeastward across southeastern Minn. and into Wisc. Rainfall totals of 1-2 inches, with locally-higher amounts, are possible through Saturday morning.
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9 Miles W Snoqualmie Pass WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

This
Afternoon

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 61 °F

Tonight

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 50 °F

Saturday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 59 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 48 °F

Sunday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 61 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 49 °F

Labor
Day

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 61 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 50 °F

Tuesday

Slight Chance Showers

Slight Chc
Showers

High: 64 °F

Detailed Forecast

  • This Afternoon A 30 percent chance of showers. Mostly cloudy, with a high near 61. West wind around 7 mph.
  • Tonight A 40 percent chance of showers, mainly before 11pm. Cloudy, with a low around 50. Northwest wind 3 to 7 mph.
  • Saturday A 30 percent chance of showers. Cloudy, with a high near 59. Calm wind becoming west 5 to 8 mph in the morning.
  • Saturday Night A 40 percent chance of showers. Mostly cloudy, with a low around 48. West southwest wind 9 to 15 mph.
  • Sunday A 20 percent chance of showers. Mostly cloudy, with a high near 61. West wind 3 to 6 mph.
  • Sunday Night A 50 percent chance of showers. Mostly cloudy, with a low around 49.
  • Labor Day A 20 percent chance of showers. Mostly cloudy, with a high near 61.
  • Monday Night Mostly cloudy, with a low around 50.
  • Tuesday A slight chance of showers. Partly sunny, with a high near 64.
  • Tuesday Night A chance of showers. Mostly cloudy, with a low around 50.
  • Wednesday A chance of showers. Partly sunny, with a high near 65.
  • Wednesday Night A chance of showers. Mostly cloudy, with a low around 49.
  • Thursday A chance of showers. Partly sunny, with a high near 64.