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

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

70°F

21°C

Humidity 46%
Wind Speed WSW 11 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 06 Sep 02:20 PM PDT
Extended Forecast for

2 Miles SE Wallula WA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 69. West wind around 6 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 55. Southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Labor Day

    Labor Day: A 20 percent chance of showers before 8am. Mostly sunny, with a high near 75. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 75 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South wind 3 to 7 mph. Winds could gust as high as 18 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 69. West wind around 6 mph.
Tonight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 55. Southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Labor Day
A 20 percent chance of showers before 8am. Mostly sunny, with a high near 75. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South wind 3 to 7 mph. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 79. Light and variable wind.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A slight chance of showers. Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Wallula WA
 46.08°N 118.88°W (Elev. 413 ft)
Last Update:
1:02 pm PDT Sep 6, 2026
Forecast Valid:
2pm PDT Sep 6, 2026-6pm PDT Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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