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

Significant Heat Today Through Tuesday

Hot temperatures and high humidity will be present today through Tuesday, and warm overnight lows will provide little relief. Heat indices will reach 85-100 this afternoon, 95-110 on Monday and 90-105 on Tuesday. Please follow proper heat safety protocols. Stay hydrated, take breaks in air-conditioned rooms if possible, seek shade often, and check up on relatives and neighbors. Read More >

Hazardous Weather Conditions

Current conditions at

St. Johnsbury - Fairbanks (K1V4)

Lat: 44.42°NLon: 72.02°WElev: 696ft.

65°F

18°C

Humidity 78%
Wind Speed NA
Barometer 29.91 in (1011.6 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 22 Jun 3:54 am EDT
Extended Forecast for

Boltonville VT

Heat Advisory June 23, 11:00am until June 24, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly after 5am. Cloudy, with a low around 59. South wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 87. Heat index values as high as 91. Southwest wind around 11 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Showers
    Likely then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 64. Northwest wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny and hot, with a high near 95. Heat index values as high as 104. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. Southwest wind around 5 mph becoming calm after midnight.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 96. West wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Northwest wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Light north wind.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 5am. Cloudy, with a low around 59. South wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 87. Heat index values as high as 91. Southwest wind around 11 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 64. Northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny and hot, with a high near 95. Heat index values as high as 104. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 69. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 96. West wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 66. Northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 84. Light north wind.
Wednesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 58. Calm wind.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 74. Calm wind.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56. Calm wind.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 74. Light east wind.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55. Calm wind.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boltonville VT
 44.16°N 72.09°W (Elev. 604 ft)
Last Update:
3:08 am EDT Jun 22, 2025
Forecast Valid:
4am EDT Jun 22, 2025-6pm EDT Jun 28, 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