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

Walla Walla Regional Airport (KALW)

Lat: 46.09462°NLon: 118.2858°WElev: 1168.0ft.

Clear

52°F

11°C

Humidity 43%
Wind Speed SSE 9 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Mar 08:55 PM PDT
Extended Forecast for

Waitsburg WA

  • Tonight

    Tonight: Areas of frost after 2am. Otherwise, clear, with a low around 33. South wind 6 to 9 mph.

    Low: 33 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 56. South wind around 7 mph becoming west in the afternoon.

    High: 56 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Cloudy

  • Tuesday

    Tuesday: Rain. High near 60. Chance of precipitation is 90%.

    High: 60 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Areas of frost after 2am. Otherwise, clear, with a low around 33. South wind 6 to 9 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 56. South wind around 7 mph becoming west in the afternoon.
Sunday Night
Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Tuesday
Rain. High near 60. Chance of precipitation is 90%.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 58.
Wednesday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 35.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waitsburg WA
 46.27°N 118.15°W (Elev. 1398 ft)
Last Update:
4:15 pm PDT Mar 21, 2026
Forecast Valid:
9pm PDT Mar 21, 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