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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Ephrata, Ephrata Municipal Airport (KEPH)

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

Clear

43°F

6°C

Humidity 38%
Wind Speed S 3 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 22 Mar 03:00 AM PDT
Extended Forecast for

9 Miles SW Coulee City WA

  • Overnight

    Overnight: Clear, with a low around 32. West wind 8 to 10 mph.

    Low: 32 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 56. South wind 5 to 9 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Southwest wind 5 to 7 mph becoming light and variable.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 58. North wind around 6 mph becoming calm.

    High: 58 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Cloudy, with a low around 43. South wind around 6 mph becoming light and variable.

    Low: 43 °F

    Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 11am. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 53. Breezy.

    High: 53 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Breezy.

    Low: 32 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Clear, with a low around 32. West wind 8 to 10 mph.
Sunday
Sunny, with a high near 56. South wind 5 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 35. Southwest wind 5 to 7 mph becoming light and variable.
Monday
Increasing clouds, with a high near 58. North wind around 6 mph becoming calm.
Monday Night
Cloudy, with a low around 43. South wind around 6 mph becoming light and variable.
Tuesday
Rain, mainly after 11am. High near 53. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 38.
Wednesday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 53. Breezy.
Wednesday Night
Mostly clear, with a low around 32. Breezy.
Thursday
Sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Coulee City WA
 47.53°N 119.45°W (Elev. 1552 ft)
Last Update:
3:12 am PDT Mar 22, 2026
Forecast Valid:
3am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
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