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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

Arlington Municipal Airport (KAWO)

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

Rain

52°F

11°C

Humidity 81%
Wind Speed SE 14 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 Mar 04:00 AM PDT
Extended Forecast for

Arlington WA

Flood Watch March 18, 01:00pm until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Rain. Low around 46. South southeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 55. South southeast wind around 14 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 49. South southeast wind 11 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 58. South southeast wind 9 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 49. South southeast wind around 13 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain

  • Thursday

    Thursday: Rain. High near 59. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 50. Chance of precipitation is 100%.

    Low: 50 °F

    Rain

  • Friday

    Friday: Rain. Cloudy, with a high near 58.

    High: 58 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely

Detailed Forecast

Overnight
Rain. Low around 46. South southeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 55. South southeast wind around 14 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 49. South southeast wind 11 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain. High near 58. South southeast wind 9 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 49. South southeast wind around 13 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 59. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 50. Chance of precipitation is 100%.
Friday
Rain. Cloudy, with a high near 58.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Mostly cloudy, with a high near 51.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 33.
Sunday
A chance of rain. Partly sunny, with a high near 52.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 34.
Monday
A chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington WA
 48.17°N 122.14°W (Elev. 200 ft)
Last Update:
2:25 am PDT Mar 17, 2026
Forecast Valid:
4am PDT Mar 17, 2026-6pm PDT Mar 23, 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