Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Overcast

73°F

23°C

Humidity 79%
Wind Speed S 6 mph
Barometer 29.84 in (1009.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 6:56 am EDT
Extended Forecast for

Henderson NY

  • Today

    Today: A slight chance of showers and thunderstorms after 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 6 to 8 mph becoming west in the afternoon.  Chance of precipitation is 20%.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 67. Calm wind becoming south 5 to 7 mph after midnight.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 77. South wind 11 to 15 mph becoming west in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 58. Northwest wind 9 to 14 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 73. West wind 7 to 10 mph.  Chance of precipitation is 20%.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 61. South wind around 6 mph.  Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 79. Southwest wind 6 to 9 mph.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 66. South wind 7 to 10 mph.  Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 67. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 77. South wind 11 to 15 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 58. Northwest wind 9 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 73. West wind 7 to 10 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind around 6 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 79. Southwest wind 6 to 9 mph.
Saturday Night
A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. South wind 7 to 10 mph. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Henderson NY
 43.79°N 76.19°W (Elev. 308 ft)
4:36 am EDT Jun 18, 2025
7am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database