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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Grand Coulee WA

7 Day Forecast

For More Weather Information:

Spokane, WA Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 0 °C

Sunday

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

High: 4 °C

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: -3 °C

Monday

Slight Chance Rain Chance for Measurable Precipitation 10%

Slight Chc
Rain

High: 3 °C

Monday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 2 °C

Tuesday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 6 °C

Tuesday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 5 °C

Wednesday

Mostly Cloudy

Mostly
Cloudy

High: 7 °C

Wednesday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 2 °C

Detailed Forecast

  • Overnight A 30 percent chance of snow after 4am. Partly cloudy early, then becoming cloudy, with a low around 0. Calm wind. Total nighttime snow accumulation of less than a half centimeter possible.
  • Sunday A chance of snow before 10am, then rain and snow showers likely between 10am and 1pm, then rain showers likely after 1pm. Mostly cloudy, with a high near 4. Southwest wind 10 to 14 km/h. Chance of precipitation is 60%. New snow accumulation of less than a half centimeter possible.
  • Sunday Night Mostly cloudy, with a low around -3. Northwest wind 5 to 8 km/h.
  • Monday A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 3. Calm wind becoming southeast 5 to 10 km/h in the morning.
  • Monday Night A 30 percent chance of rain, mainly after 10pm. Cloudy, with a low around 2. South wind around 8 km/h. New precipitation amounts of less than 1 mm possible.
  • Tuesday A 40 percent chance of rain, mainly before 10am. Cloudy, with a high near 6.
  • Tuesday Night A 20 percent chance of rain. Mostly cloudy, with a low around 5.
  • Wednesday Mostly cloudy, with a high near 7.
  • Wednesday Night A 20 percent chance of rain. Mostly cloudy, with a low around 2.
  • Thanksgiving Day A 20 percent chance of rain. Partly sunny, with a high near 4.
  • Thursday Night Mostly cloudy, with a low around -1.
  • Friday A 20 percent chance of rain. Mostly cloudy, with a high near 3.
  • Friday Night A 30 percent chance of rain. Mostly cloudy, with a low around -2.
  • Saturday A 30 percent chance of rain. Mostly cloudy, with a high near 4.