National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
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Current Conditions

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Pasco WA

7 Day Forecast

For More Weather Information:

Pendleton, OR Local Forecast Office

Tonight

Mostly Clear

Mostly
Clear

Low: 55 °F

Thursday

Sunny

Sunny

High: 84 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 56 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 81 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 58 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 83 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 59 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 87 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 62 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around 55. Southwest wind 6 to 8 mph.
  • Thursday Sunny, with a high near 84. Southwest wind 6 to 9 mph.
  • Thursday Night Mostly clear, with a low around 56. Southwest wind 6 to 8 mph.
  • Friday A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 81. West wind around 6 mph.
  • Friday Night A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 58. Northwest wind 3 to 5 mph.
  • Saturday Mostly sunny, with a high near 83.
  • Saturday Night Partly cloudy, with a low around 59.
  • Sunday Mostly sunny, with a high near 87.
  • Sunday Night Mostly clear, with a low around 62.
  • Monday Sunny, with a high near 87.
  • Monday Night Mostly clear, with a low around 62.
  • Tuesday Sunny, with a high near 88.
  • Tuesday Night Clear, with a low around 62.
  • Wednesday Sunny, with a high near 90.