Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Mostly Cloudy

13°F

-11°C

Humidity 84%
Wind Speed Calm
Barometer 30.07 in (1018.6 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 8 Dec 12:53 am EST
Extended Forecast for

3 Miles SW Grand Isle VT

  • Overnight

    Overnight: Partly cloudy, with a low around 9. Wind chill values as low as -6. Northwest wind 11 to 15 mph.

    Low: 9 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 18. Wind chill values as low as -8. Northwest wind 6 to 16 mph.

    High: 18 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 6. Wind chill values as low as -3. West wind 5 to 7 mph becoming south after midnight.

    Low: 6 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 24. Wind chill values as low as -9. Breezy, with a south wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 24 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after 10pm.  Mostly cloudy, with a low around 21. Breezy, with a south wind 16 to 21 mph, with gusts as high as 31 mph.  New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: Snow.  High near 35. South wind 13 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    High: 35 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow showers likely.  Mostly cloudy, with a low around 21. South wind around 11 mph becoming west after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    Low: 21 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of snow showers before 1pm.  Partly sunny, with a high near 28. West wind 10 to 13 mph.

    High: 28 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16. West wind around 8 mph.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 9. Wind chill values as low as -6. Northwest wind 11 to 15 mph.
Monday
Sunny, with a high near 18. Wind chill values as low as -8. Northwest wind 6 to 16 mph.
Monday Night
Mostly clear, with a low around 6. Wind chill values as low as -3. West wind 5 to 7 mph becoming south after midnight.
Tuesday
Increasing clouds, with a high near 24. Wind chill values as low as -9. Breezy, with a south wind 10 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
A 40 percent chance of snow after 10pm. Mostly cloudy, with a low around 21. Breezy, with a south wind 16 to 21 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow. High near 35. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 21. South wind around 11 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Thursday
A 30 percent chance of snow showers before 1pm. Partly sunny, with a high near 28. West wind 10 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 16. West wind around 8 mph.
Friday
Partly sunny, with a high near 27. West wind around 10 mph.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 17. Southwest wind around 8 mph.
Saturday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 25. South wind 8 to 11 mph becoming northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 14. West wind 11 to 13 mph.
Sunday
Partly sunny, with a high near 22. Northwest wind around 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Grand Isle VT
 44.68°N 73.34°W (Elev. 167 ft)
12:30 am EST Dec 8, 2025
1am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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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