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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Partly Cloudy

72°F

22°C

Humidity 59%
Wind Speed Vrbl 7 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Jun 3:53 pm EDT
Extended Forecast for

Grand Isle VT

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 72. Northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 9pm, then a chance of showers. Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 74. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 7pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 58. Light south wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny through mid morning, then becoming cloudy, with a high near 77. South wind around 6 mph.

    High: 77 °F

    Becoming
    Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 59. Light south wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 77. North wind 3 to 7 mph.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Light northwest wind.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 72. Northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 9pm, then a chance of showers. Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 74. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of thunderstorms before 7pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 58. Light south wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny through mid morning, then becoming cloudy, with a high near 77. South wind around 6 mph.
Monday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 59. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Partly sunny, with a high near 77. North wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 79. Light northwest wind.
Wednesday Night
Partly cloudy, with a low around 61. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Light south wind.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South wind 3 to 7 mph. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm. High near 79. South wind 6 to 8 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 61. Light south wind. Chance of precipitation is 80%.
Saturday
Showers likely. Partly sunny, with a high near 78. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Isle VT
 44.72°N 73.33°W (Elev. 154 ft)
Last Update:
2:23 pm EDT Jun 20, 2026
Forecast Valid:
4pm EDT Jun 20, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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