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.

Overcast

69°F

21°C

Humidity 81%
Wind Speed SW 9 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 12:56 pm EDT
Extended Forecast for

4 Miles NW Clayton NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms.  Partly sunny, with a high near 74. Southwest wind around 11 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Southwest wind around 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. West wind around 6 mph becoming light and variable  after midnight.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75. Light northeast wind.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind becoming east around 6 mph in the evening.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm.  Mostly sunny, with a high near 78. Southeast wind 6 to 9 mph becoming south in the afternoon.  Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am.  Low around 63. South wind 6 to 9 mph.  Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm.  High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Southwest wind around 11 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 60. Southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 74. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. West wind around 6 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 75. Light northeast wind.
Friday Night
Partly cloudy, with a low around 61. Calm wind becoming east around 6 mph in the evening.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 78. Southeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 63. South wind 6 to 9 mph. Chance of precipitation is 90%.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 73. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Clayton NY
 44.29°N 76.16°W (Elev. 246 ft)
9:58 am EDT Aug 19, 2026
1pm EDT Aug 19, 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