Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Walla Walla Regional Airport (KALW)

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

Clear

61°F

16°C

Humidity 41%
Wind Speed ESE 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Sep 03:00 AM PDT
Extended Forecast for

Walla Walla WA

  • Overnight

    Overnight: Mostly clear, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy blowing dust after 11am. Mostly sunny, with a high near 86. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 86 °F

    Patchy
    Blowing Dust

  • Thursday Night

    Thursday Night: Patchy blowing dust before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 55. South wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Patchy
    Blowing Dust
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 75. Southwest wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 75 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely.  Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 11am.  Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 11pm.  Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 60. South wind around 5 mph.
Thursday
Patchy blowing dust after 11am. Mostly sunny, with a high near 86. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Patchy blowing dust before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 55. South wind 8 to 11 mph, with gusts as high as 21 mph.
Friday
Increasing clouds, with a high near 75. Southwest wind 5 to 8 mph becoming light and variable in the afternoon.
Friday Night
Mostly cloudy, with a low around 51. Calm wind.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Walla Walla WA
 46.06°N 118.35°W (Elev. 928 ft)
11:46 pm PDT Sep 9, 2026
3am PDT Sep 10, 2026-6pm PDT Sep 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database