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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Current Conditions

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11 Miles NW Snoqualmie Pass WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Late
Afternoon

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 67 °F

Tonight

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 55 °F

Saturday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 62 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 54 °F

Sunday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 62 °F

Sunday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 53 °F

Labor
Day

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 65 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 54 °F

Tuesday

Chance Showers

Chance
Showers

High: 65 °F

Detailed Forecast

  • Late Afternoon A 30 percent chance of showers. Mostly cloudy, with a high near 67. West southwest wind around 10 mph.
  • Tonight A 40 percent chance of showers. Cloudy, with a low around 55. West wind around 6 mph becoming calm in the evening.
  • Saturday A 40 percent chance of showers. Cloudy, with a high near 62. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
  • Saturday Night A 40 percent chance of showers. Mostly cloudy, with a low around 54. Southwest wind around 10 mph.
  • Sunday A 30 percent chance of showers. Cloudy, with a high near 62. West wind around 6 mph.
  • Sunday Night Showers likely. Cloudy, with a low around 53. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Labor Day A 30 percent chance of showers. Mostly cloudy, with a high near 65.
  • Monday Night Mostly cloudy, with a low around 54.
  • Tuesday A chance of showers. Mostly cloudy, with a high near 65.
  • Tuesday Night A chance of showers. Mostly cloudy, with a low around 52.
  • Wednesday A chance of showers. Partly sunny, with a high near 69.
  • Wednesday Night A chance of showers. Mostly cloudy, with a low around 50.
  • Thursday Mostly sunny, with a high near 74.
  • Thursday Night Partly cloudy, with a low around 53.
  • Friday Sunny, with a high near 76.