National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Current Conditions

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Issaquah WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Tonight

Showers Chance for Measurable Precipitation 80%

Showers

Low: 41 °F

Sunday

Rain Chance for Measurable Precipitation 100%

Rain

High: 50 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 42 °F

Monday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 51 °F

Monday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 45 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 55 °F

Tuesday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 47 °F

Wednesday

Chance Rain

Chance
Rain

High: 55 °F

Wednesday
Night

Chance Rain

Chance
Rain

Low: 42 °F

Detailed Forecast

  • Tonight Showers, mainly after 4am. Low around 41. Light south wind increasing to 10 to 15 mph in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Sunday Rain. High near 50. Breezy, with a southwest wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Sunday Night A 40 percent chance of showers. Mostly cloudy, with a low around 42. South wind 8 to 10 mph.
  • Monday A 50 percent chance of rain. Cloudy, with a high near 51. South wind 8 to 10 mph.
  • Monday Night Rain. Low around 45. South southwest wind 11 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
  • Tuesday Rain likely. Mostly cloudy, with a high near 55. Breezy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Night A 50 percent chance of rain. Mostly cloudy, with a low around 47.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 55.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 42.
  • Thanksgiving Day A chance of rain. Mostly cloudy, with a high near 51.
  • Thursday Night A chance of rain. Mostly cloudy, with a low around 39.
  • Friday A chance of rain. Partly sunny, with a high near 48.
  • Friday Night A chance of rain. Mostly cloudy, with a low around 38.
  • Saturday Rain likely. Mostly cloudy, with a high near 47.