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

Portland, Portland International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Overcast

66°F

19°C

Humidity 68%
Wind Speed S 8 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 06 Sep 05:35 PM PDT
Extended Forecast for

4 Miles E Vancouver WA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Partly sunny, with a steady temperature around 65. South wind around 5 mph.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Labor Day

    Labor Day: Patchy fog between 9am and 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Partly sunny, with a steady temperature around 65. South wind around 5 mph.
Tonight
A 50 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 54. Calm wind.
Labor Day
Patchy fog between 9am and 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind.
Monday Night
Mostly clear, with a low around 53. Calm wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 70.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 55.
Sunday
A slight chance of rain. Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Vancouver WA
 45.63°N 122.58°W (Elev. 299 ft)
Last Update:
5:41 pm PDT Sep 6, 2026
Forecast Valid:
5pm PDT Sep 6, 2026-6pm PDT Sep 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation