National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

67°F

19°C

Humidity 91%
Wind Speed Calm
Barometer 29.98 in (1014.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 26 Aug 7:56 pm EDT
Extended Forecast for

Lacona NY

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Southeast wind 6 to 9 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 78. South wind 9 to 11 mph becoming southwest 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: 78 °F

    Slight Chance
    T-storms then
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 7am and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Northwest wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Calm wind becoming southeast around 5 mph after midnight.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. South wind around 7 mph becoming west in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Southeast wind 6 to 9 mph.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 78. South wind 9 to 11 mph becoming southwest 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
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers between 7am and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Northwest wind 5 to 8 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 51. Calm wind.
Saturday
Sunny, with a high near 74. Light and variable wind becoming west 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 57. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Partly sunny, with a high near 77. South wind around 7 mph becoming west in the afternoon.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lacona NY
 43.65°N 76.07°W (Elev. 554 ft)
Last Update:
7:57 pm EDT Aug 26, 2026
Forecast Valid:
8pm EDT Aug 26, 2026-6pm EDT Sep 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation