Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

69°F

21°C

Humidity 55%
Wind Speed W 12 G 22 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Jun 4:56 pm EDT
Extended Forecast for

3 Miles ESE Henderson Harbor NY

  • Tonight

    Tonight: Increasing clouds, with a low around 56. South wind 5 to 7 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers, mainly after 11am.  High near 72. South wind 3 to 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm.  Cloudy, then gradually becoming partly cloudy, with a low around 57. Northeast wind 5 to 9 mph becoming calm  after midnight.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Light northwest wind becoming west 5 to 10 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Light west wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming west 5 to 9 mph in the morning.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. Light south wind.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm.  Partly sunny, with a high near 77. South wind around 6 mph.  Chance of precipitation is 40%.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am.  Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 56. South wind 5 to 7 mph.
Monday
Showers, mainly after 11am. High near 72. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 57. Northeast wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Mostly sunny, with a high near 75. Light northwest wind becoming west 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 57. Light west wind.
Wednesday
Sunny, with a high near 75. Calm wind becoming west 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 57. Light south wind.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 77. South wind around 6 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Henderson Harbor NY
 43.84°N 76.09°W (Elev. 541 ft)
3:57 pm EDT Jun 21, 2026
5pm EDT Jun 21, 2026-6pm EDT Jun 28, 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