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

Hazardous Weather Conditions

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Fog/Mist

62°F

17°C

Humidity 96%
Wind Speed Calm
Barometer 30.04 in (1017.2 mb)
Dewpoint 61°F (16°C)
Visibility 2.50 mi
Last update 15 Jul 5:53 am EDT
Extended Forecast for

Grand Isle VT

  • Today

    Today: Widespread haze. Sunny, with a high near 89. Light and variable wind becoming south around 5 mph.

    High: 89 °F

    Haze

  • Tonight

    Tonight: Widespread haze before 9pm. Mostly clear, with a low around 69. Light and variable wind.

    Low: 69 °F

    Haze then
    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 92. Heat index values as high as 96. South wind around 6 mph. Chance of precipitation is 20%.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 77. North wind around 9 mph.

    High: 77 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Widespread haze. Sunny, with a high near 89. Light and variable wind becoming south around 5 mph.
Tonight
Widespread haze before 9pm. Mostly clear, with a low around 69. Light and variable wind.
Wednesday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 92. Heat index values as high as 96. South wind around 6 mph. Chance of precipitation is 20%.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 77. North wind around 9 mph.
Friday Night
Mostly clear, with a low around 59. Calm wind.
Saturday
Sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 64. Light south wind.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 81. South wind around 7 mph.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63. South wind around 5 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 82. Northwest wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Isle VT
 44.72°N 73.3°W (Elev. 125 ft)
Last Update:
1:51 am EDT Jul 15, 2025
Forecast Valid:
6am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation