Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

67°F

19°C

Humidity 84%
Wind Speed S 3 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 Aug 8:56 pm EDT
Extended Forecast for

2 Miles N Sackets Harbor NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. South wind 5 to 7 mph.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms before 4pm, then a chance of thunderstorms between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 75. West wind 9 to 11 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. West wind around 6 mph becoming calm  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Thursday

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

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. West wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 2pm.  Mostly sunny, with a high near 81. South wind 5 to 9 mph.  Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am.  Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. South wind 5 to 7 mph.
Wednesday
Showers and thunderstorms before 4pm, then a chance of thunderstorms between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 75. West wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 58. West wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 75. Calm wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60. Light and variable wind.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 81. South wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 61. Chance of precipitation is 80%.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Sackets Harbor NY
 43.98°N 76.13°W (Elev. 299 ft)
7:57 pm EDT Aug 18, 2026
9pm EDT Aug 18, 2026-6pm EDT Aug 25, 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