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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15 Miles SE Newhalem WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Overnight

Heavy Snow Chance for Measurable Precipitation 80%

Heavy
Snow

Low: 19 °F

Sunday

Heavy Snow Chance for Measurable Precipitation 100%

Heavy
Snow

High: 26 °F

Sunday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 21 °F

Monday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 30 °F

Monday
Night

Heavy Snow Chance for Measurable Precipitation 90%

Heavy
Snow

Low: 25 °F

Tuesday

Snow Chance for Measurable Precipitation 80%

Snow

High: 37 °F

Tuesday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 29 °F

Wednesday

Chance Rain

Chance
Rain

High: 35 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 27 °F

Detailed Forecast

  • Overnight Snow. The snow could be heavy at times. Low around 19. Southwest wind 17 to 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 4 to 8 inches possible.
  • Sunday Snow. The snow could be heavy at times. High near 26. Breezy, with a west wind 24 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
  • Sunday Night Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 21. Breezy, with a west wind 16 to 22 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
  • Monday Snow likely. Cloudy, with a high near 30. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
  • Monday Night Snow. The snow could be heavy at times. Low around 25. Breezy, with a west southwest wind 22 to 24 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
  • Tuesday Snow. The snow could be heavy at times. High near 37. Windy. Chance of precipitation is 80%. New snow accumulation of 6 to 10 inches possible.
  • Tuesday Night A 50 percent chance of rain. Mostly cloudy, with a low around 29. Windy.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 35. Windy.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 27.
  • Thanksgiving Day A chance of snow. Mostly cloudy, with a high near 32.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 27.
  • Friday A chance of snow. Mostly cloudy, with a high near 33.
  • Friday Night A chance of snow. Mostly cloudy, with a low around 30.
  • Saturday Snow likely. Mostly cloudy, with a high near 33.