Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Mostly Cloudy

70°F

21°C

Humidity 90%
Wind Speed S 5 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 2 Jul 2:56 am EDT
Extended Forecast for

Belleville NY

Heat Advisory July 2, 03:14am until July 3, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 2, 03:14am until July 3, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88. Heat index values as high as 96. West wind 7 to 13 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 11pm.  Increasing clouds, with a low around 70. Southwest wind 5 to 7 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 86. Southwest wind 5 to 10 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 2am.  Mostly cloudy, with a low around 68. Southwest wind around 6 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Independence Day

    Independence Day: Showers likely, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 83. West wind 6 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 85. Light and variable wind becoming north around 6 mph in the morning.

    High: 85 °F

    Partly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. South wind around 5 mph.
Thursday
Sunny, with a high near 88. Heat index values as high as 96. West wind 7 to 13 mph.
Thursday Night
A chance of showers and thunderstorms, mainly before 11pm. Increasing clouds, with a low around 70. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 68. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. West wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 65. Calm wind.
Sunday
Partly sunny, with a high near 85. Light and variable wind becoming north around 6 mph in the morning.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Monday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Belleville NY
 43.78°N 76.1°W (Elev. 499 ft)
2:22 am EDT Jul 2, 2026
3am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
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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