Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

81°F

27°C

Humidity 41%
Wind Speed S 5 mph
Barometer 29.85 in (1010.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 22 Aug 5:56 pm EDT
Extended Forecast for

Watertown NY

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am.  Low around 63. South wind 6 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Partly Cloudy
    then Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm.  High near 74. Southwest wind 11 to 13 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 54. Southwest wind 7 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm.  High near 68. Southwest wind 9 to 13 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 54. Southwest wind 6 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 72. West wind 7 to 11 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. West wind 3 to 8 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 63. South wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 74. Southwest wind 11 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 54. Southwest wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 68. Southwest wind 9 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 54. Southwest wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 72. West wind 7 to 11 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 56. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 76. West wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
Showers likely. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown NY
 43.98°N 75.91°W (Elev. 449 ft)
3:59 pm EDT Aug 22, 2026
6pm EDT Aug 22, 2026-6pm EDT Aug 29, 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