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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

EW1976 Ferndale (E1976)

Lat: 48.903°NLon: 122.58167°WElev: 64.0ft.

NA

75°F

24°C

Humidity 64%
Wind Speed W 1 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 62°F (17°C)
Visibility NA
Last update 19 Aug 06:30 PM PDT
Extended Forecast for

Lynden WA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West southwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain before 11am. Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. West southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 81. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 83. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 56.
Sunday
A chance of rain before 11am. Mostly cloudy, with a high near 71.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A slight chance of rain. Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lynden WA
 48.95°N 122.45°W (Elev. 98 ft)
Last Update:
11:26 am PDT Aug 19, 2026
Forecast Valid:
6pm PDT Aug 19, 2026-6pm PDT Aug 26, 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