Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

EW1976 Ferndale (E1976)

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

NA

68°F

20°C

Humidity 74%
Wind Speed SSW 1 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 27 Aug 11:45 AM PDT
Extended Forecast for

Lynden WA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 73. South southwest wind 7 to 11 mph.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 54. South wind around 5 mph becoming calm  after midnight.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 71. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 71 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly after 2am.  Cloudy, with a low around 52. South southwest wind 5 to 9 mph becoming light south  after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 67. Southwest wind 3 to 5 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Rain Likely
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. South southwest wind 7 to 11 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 54. South wind around 5 mph becoming calm after midnight.
Friday
Increasing clouds, with a high near 71. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Rain likely, mainly after 2am. Cloudy, with a low around 52. South southwest wind 5 to 9 mph becoming light south after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 67. Southwest wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly cloudy, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Mostly cloudy, with a high near 71.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Mostly cloudy, with a high near 70.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Wednesday
Rain likely. Mostly cloudy, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Lynden WA
 48.95°N 122.45°W (Elev. 98 ft)
11:26 am PDT Aug 27, 2026
12pm PDT Aug 27, 2026-6pm PDT Sep 2, 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