Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

EW1976 Ferndale (E1976)

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

NA

59°F

15°C

Humidity 91%
Wind Speed SE 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 18 Aug 03:15 AM PDT
Extended Forecast for

Lynden WA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 56. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 77. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 77 °F

    Decreasing
    Clouds

  • Wednesday Night

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

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

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

    Low: 56 °F

    Chance Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 55. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 77. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 55. West wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 56.
Saturday
A chance of rain. Mostly cloudy, with a high near 71.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Lynden WA
 48.95°N 122.45°W (Elev. 98 ft)
11:26 pm PDT Aug 17, 2026
3am PDT Aug 18, 2026-6pm PDT Aug 24, 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