Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that 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.

A Few Clouds

63°F

17°C

Humidity 97%
Wind Speed Calm
Barometer 29.91 in (1012.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 11:56 pm EDT
Extended Forecast for

3 Miles WNW Chaumont NY

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Northwest wind 5 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Light and variable wind becoming northwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Calm wind becoming east around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 80. South wind 7 to 9 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, then showers and possibly a thunderstorm after 8pm.  Low around 62. Southeast wind 5 to 9 mph.  Chance of precipitation is 90%.

    Low: 62 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm.  Mostly cloudy, with a high near 74. Southwest wind 9 to 14 mph.  Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Northwest wind 5 to 7 mph.
Thursday
Partly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. Light and variable wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. Calm wind becoming east around 5 mph.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. South wind 7 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers, then showers and possibly a thunderstorm after 8pm. Low around 62. Southeast wind 5 to 9 mph. Chance of precipitation is 90%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 74. Southwest wind 9 to 14 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Chaumont NY
 44.07°N 76.2°W (Elev. 262 ft)
9:57 pm EDT Aug 19, 2026
12am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database