Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

87°F

31°C

Humidity 61%
Wind Speed W 16 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 13 Jul 1:56 pm EDT
Extended Forecast for

Henderson Harbor NY

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely.  Partly sunny, with a high near 85. Southwest wind around 10 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 4am.  Mostly cloudy, with a low around 71. South wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers between 10am and 11am.  Partly sunny, with a high near 83. Southwest wind around 6 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. Light south wind.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. West wind 3 to 6 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Southwest wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 71. South wind around 6 mph.  Chance of precipitation is 40%.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Partly sunny, with a high near 85. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 4am. Mostly cloudy, with a low around 71. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 10am and 11am. Partly sunny, with a high near 83. Southwest wind around 6 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 69. Light south wind.
Tuesday
Sunny, with a high near 85. West wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 88. Southwest wind 6 to 8 mph.
Wednesday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Henderson Harbor NY
 43.87°N 76.15°W (Elev. 400 ft)
1:36 pm EDT Jul 13, 2025
2pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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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