National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Ephrata, Ephrata Municipal Airport (KEPH)

Lat: 47.3075°NLon: 119.51583°WElev: 1276.0ft.

Clear

76°F

24°C

Humidity 43%
Wind Speed NE 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 04 Sep 09:53 AM PDT
Extended Forecast for

7 Miles WNW Wilson Creek WA

Heat Advisory September 4, 10:08am until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 10:08am until September 4, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Today

    High: 99 °F

    Areas Smoke
    then Haze

  • Tonight

    Tonight: Widespread haze before 8pm. Areas of smoke after 8pm. Mostly clear, with a low around 66. Northeast wind 9 to 14 mph.

    Low: 66 °F

    Haze then
    Areas Smoke

  • Friday

    Friday: Widespread haze before noon. Areas of smoke after noon. Sunny, with a high near 94. Northeast wind 10 to 15 mph.

    High: 94 °F

    Haze then
    Areas Smoke

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Northeast wind around 7 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93. East wind around 9 mph.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Widespread haze after 5pm. Areas of smoke before 5pm. Sunny and hot, with a high near 99. East wind around 9 mph.
Tonight
Widespread haze before 8pm. Areas of smoke after 8pm. Mostly clear, with a low around 66. Northeast wind 9 to 14 mph.
Friday
Widespread haze before noon. Areas of smoke after noon. Sunny, with a high near 94. Northeast wind 10 to 15 mph.
Friday Night
Mostly clear, with a low around 64. Northeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 93. East wind around 9 mph.
Saturday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 64.
Sunday
A slight chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 79.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 74.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WNW Wilson Creek WA
 47.45°N 119.24°W (Elev. 1657 ft)
Last Update:
8:22 am PDT Sep 4, 2025
Forecast Valid:
10am PDT Sep 4, 2025-6pm PDT Sep 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation