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 >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Partly Cloudy

70°F

21°C

Humidity 46%
Wind Speed WSW 6 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Mar 05:55 PM PDT
Extended Forecast for

Wallula WA

  • Tonight

    Tonight: A 50 percent chance of rain after 11pm.  Cloudy, with a low around 51. West wind 11 to 17 mph, with gusts as high as 24 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain before 8am.  Cloudy through mid morning, then gradual clearing, with a high near 59. West wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 59 °F

    Chance Rain
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. West wind 8 to 14 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Southwest wind 8 to 10 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. West wind around 6 mph becoming light and variable  after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am.  Cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain.  Cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
A 50 percent chance of rain after 11pm. Cloudy, with a low around 51. West wind 11 to 17 mph, with gusts as high as 24 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 40 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 59. West wind 11 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 38. West wind 8 to 14 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 57. Southwest wind 8 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 42. West wind around 6 mph becoming light and variable after midnight.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
A 30 percent chance of rain, mainly after 11am. Cloudy, with a high near 59.
Tuesday Night
A 20 percent chance of rain. Cloudy, with a low around 46.
Wednesday
A slight chance of rain. Partly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 38. Breezy.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Wallula WA
 46.07°N 118.91°W (Elev. 338 ft)
4:15 pm PDT Mar 20, 2026
6pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database