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.

A Few Clouds

90°F

32°C

Humidity 50%
Wind Speed SW 9 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 2 Jul 11:54 am EDT
Extended Forecast for

Williston VT

Extreme Heat Warning July 2, 12:52pm until July 3, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 12:52pm until July 3, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 96 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Light southwest wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 95. West wind 3 to 7 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Independence Day

    Independence Day: Showers likely. Mostly cloudy, with a high near 84. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. Light northwest wind.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 107. West wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Light southwest wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 95. West wind 3 to 7 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
Showers likely. Mostly cloudy, with a high near 84. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 62. Light northwest wind.
Sunday
Mostly sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 62. Calm wind.
Monday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 62. Light southeast wind. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 85. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 63. Light southeast wind.
Wednesday
Mostly sunny, with a high near 87. South wind around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williston VT
 44.43°N 73.06°W (Elev. 600 ft)
Last Update:
2:32 am EDT Jul 2, 2026
Forecast Valid:
12pm EDT Jul 2, 2026-6pm EDT Jul 8, 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