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

Extreme Heat Warnings and Heat Advisories remain in effect through Friday

Dangerous heat will continue through Friday. Extreme Heat Warnings are in effect for the entire Champlain Valley & eastern Windsor County in Vermont. Heat Advisories in effect for the remainder of our region. Heat index values will peak around 105 degrees in warning areas with locally higher values possible. Advisory areas will see heat index values up to 100 degrees. Read More >

Hazardous Weather Conditions

Current conditions at

Burlington, Burlington International Airport (KBTV)

Lat: 44.47°NLon: 73.15°WElev: 331ft.

Partly Cloudy

94°F

34°C

Humidity 48%
Wind Speed SW 7 mph
Barometer 29.85 in (1010.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 2 Jul 4:54 pm EDT
Extended Forecast for

Williston VT

Extreme Heat Warning July 2, 04:57pm until July 3, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 04:57pm until July 3, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 92 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Scattered
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 92. Heat index values as high as 95. West wind 3 to 8 mph.

    High: 92 °F

    Hot

  • Friday Night

    Friday Night: Scattered showers. Increasing clouds, with a low around 67. Light southwest wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Scattered
    Showers

  • Independence Day

    Independence Day: Scattered showers. Partly sunny, with a high near 81. Light northwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Light northwest wind.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 100. West wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny and hot, with a high near 92. Heat index values as high as 95. West wind 3 to 8 mph.
Friday Night
Scattered showers. Increasing clouds, with a low around 67. Light southwest wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Independence Day
Scattered showers. Partly sunny, with a high near 81. Light northwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly clear, with a low around 60. Light northwest wind.
Sunday
Sunny, with a high near 81. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 60. Calm wind.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 61. Light southeast wind.
Tuesday
Mostly sunny, with a high near 84. Light south wind.
Tuesday Night
Partly cloudy, with a low around 63. Light south wind.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 86. Southwest wind 3 to 5 mph.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64. Calm wind.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williston VT
 44.43°N 73.06°W (Elev. 600 ft)
Last Update:
2:36 pm EDT Jul 2, 2026
Forecast Valid:
4pm EDT Jul 2, 2026-6pm EDT Jul 9, 2026
 
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