Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Burlington/Mount Vernon, Skagit Regional Airport (KBVS)

Lat: 48.47083°NLon: 122.42083°WElev: 144.0ft.

Mist

55°F

13°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 55°F (13°C)
Visibility 1.75 mi
Last update 21 Aug 03:35 AM PDT
Extended Forecast for

Mount Vernon WA

  • Overnight

    Overnight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 81 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Cloudy

  • Saturday

    Saturday: A chance of rain and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 70. South wind 3 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of rain.  Cloudy, with a low around 56. Light south wind.

    Low: 56 °F

    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 11am.  Mostly cloudy, with a high near 71.

    High: 71 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Calm wind.
Friday
Increasing clouds, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Cloudy, with a low around 59. Light and variable wind.
Saturday
A chance of rain and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 70. South wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 56. Light south wind.
Sunday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 71.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Thursday
Mostly cloudy, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon WA
 48.41°N 122.34°W (Elev. 10 ft)
11:26 pm PDT Aug 20, 2026
3am PDT Aug 21, 2026-6pm PDT Aug 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