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 >

Hazardous Weather Conditions

Current conditions at

Arlington Municipal Airport (KAWO)

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

Partly Cloudy

45°F

7°C

Humidity 68%
Wind Speed NW 5 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 21 Mar 09:56 AM PDT
Extended Forecast for

Arlington WA

  • Today

    Today: Mostly sunny, with a high near 49. West wind 3 to 5 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 35. Calm wind becoming southeast around 5 mph after midnight.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 52. Light and variable wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 52 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 54. Chance of precipitation is 100%.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 38.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 52.

    High: 52 °F

    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 49. West wind 3 to 5 mph.
Tonight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 35. Calm wind becoming southeast around 5 mph after midnight.
Sunday
A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 52. Light and variable wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 33. Light and variable wind.
Monday
Partly sunny, with a high near 53. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 39.
Tuesday
Rain. High near 54. Chance of precipitation is 100%.
Tuesday Night
Rain. Cloudy, with a low around 38.
Wednesday
Rain. Cloudy, with a high near 52.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 35.
Thursday
A chance of rain. Partly sunny, with a high near 52.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington WA
 48.19°N 122.11°W (Elev. 200 ft)
Last Update:
11:27 pm PDT Mar 20, 2026
Forecast Valid:
10am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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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