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

Extreme Heat Warnings and Heat Advisories are now in effect from Wednesday through Friday for the area

Significant heat is expected to build from Wednesday through Friday. Extreme Heat Warnings are now in effect for the entire Champlain Valley & eastern Windsor County in Vermont. Heat Advisories are now in effect for the remainder of the area in northern New York & Vermont. Heat index values are expected to peak around 105 degrees in warning areas, and mid 90s to lower 100s in advisory areas. Read More >

Hazardous Weather Conditions

Current conditions at

St. Johnsbury - Fairbanks (K1V4)

Lat: 44.42°NLon: 72.02°WElev: 696ft.

72°F

22°C

Humidity 87%
Wind Speed NA
Barometer 29.89 in (1010.9 mb)
Dewpoint 68°F (20°C)
Visibility NA
Last update 1 Jul 1:54 am EDT
Extended Forecast for

2 Miles ENE Lanesboro VT

Heat Advisory July 1, 12:00pm until July 3, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Light southwest wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 88. Heat index values as high as 94. Calm wind becoming west around 6 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 69. West wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 90. Heat index values as high as 94. West wind 6 to 8 mph.

    High: 90 °F

    Hot

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 69. West wind around 8 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 87. West wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. West wind 3 to 6 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Light southwest wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 88. Heat index values as high as 94. Calm wind becoming west around 6 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 69. West wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny and hot, with a high near 90. Heat index values as high as 94. West wind 6 to 8 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 69. West wind around 8 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 87. West wind 8 to 11 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 64. Northwest wind 5 to 7 mph becoming calm in the evening.
Independence Day
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. West wind 3 to 6 mph.
Saturday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 61. Calm wind.
Sunday
A 30 percent chance of showers after 8am. Partly sunny, with a high near 80. Calm wind.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60. Calm wind.
Monday
Showers likely. Partly sunny, with a high near 78. Light and variable wind. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 80. Calm wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Lanesboro VT
 44.31°N 72.26°W (Elev. 1726 ft)
Last Update:
2:20 am EDT Jul 1, 2026
Forecast Valid:
2am EDT Jul 1, 2026-6pm EDT Jul 7, 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