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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Arlington Municipal Airport (KAWO)

Lat: 48.1585°NLon: 122.15909°WElev: 125.0ft.

Clear

68°F

20°C

Humidity 72%
Wind Speed S 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Aug 10:00 AM PDT
Extended Forecast for

4 Miles SSW Arlington WA

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Light and variable wind.

    Low: 55 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 80. Light and variable wind.

    High: 80 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. West northwest wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain before 11am. Mostly cloudy, with a high near 74.

    High: 74 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
Increasing clouds, with a low around 55. Light and variable wind.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 80. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 55. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Partly sunny, with a high near 80.
Friday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 56.
Saturday
A slight chance of rain before 11am. Mostly cloudy, with a high near 74.
Saturday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Arlington WA
 48.12°N 122.19°W (Elev. 85 ft)
Last Update:
11:26 pm PDT Aug 17, 2026
Forecast Valid:
10am PDT Aug 18, 2026-6pm PDT Aug 24, 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