The Severe Weather Threat Will Continue on Sunday Across Much of the Great Plains.

Severe weather will again be possible across much of the Great Plains on Sunday. Long-lived supercells with large hail and strong tornadoes will be possible. Some storms will also be capable of heavy rainfall leading to flash flooding problems.
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Coulee Dam WA

Tonight

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 50 °F

Sunday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 74 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 49 °F

Monday

Sunny

Sunny

High: 76 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 52 °F

Tuesday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 77 °F

Tuesday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 51 °F

Wednesday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 59 °F

Wednesday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 43 °F

Hazardous Weather Conditions

7-DAY FORECAST

  • Tonight Isolated showers. Mostly cloudy, with a low around 50. West wind around 8 mph. Chance of precipitation is 20%.
  • Sunday A 20 percent chance of showers after 11am. Partly sunny, with a high near 74. Northwest wind 7 to 17 mph, with gusts as high as 23 mph.
  • Sunday Night Partly cloudy, with a low around 49. West wind 7 to 9 mph.
  • Monday Sunny, with a high near 76. North wind 5 to 7 mph becoming south in the morning.
  • Monday Night Partly cloudy, with a low around 52. South wind 5 to 7 mph becoming light and variable in the evening.
  • Tuesday A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 77.
  • Tuesday Night A 30 percent chance of showers. Cloudy, with a low around 51.
  • Wednesday A 40 percent chance of showers. Mostly cloudy, with a high near 59.
  • Wednesday Night A 30 percent chance of showers. Mostly cloudy, with a low around 43.
  • Thursday A 30 percent chance of showers. Mostly cloudy, with a high near 65.
  • Thursday Night A 30 percent chance of showers. Mostly cloudy, with a low around 45.
  • Friday A 30 percent chance of showers. Partly sunny, with a high near 71.
  • Friday Night A 30 percent chance of showers. Mostly cloudy, with a low around 48.
  • Saturday A 30 percent chance of showers. Mostly cloudy, with a high near 71.

 

ADDITIONAL FORECASTS AND INFORMATION

Zone Area Forecast for Upper Columbia Basin, WA