Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Mostly Cloudy

72°F

22°C

Humidity 76%
Wind Speed S 9 G 20 mph
Barometer 29.87 in (1011.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 27 Aug 9:56 am EDT
Extended Forecast for

3 Miles W Calcium NY

  • Today

    Today: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then a slight chance of showers after 3pm.  Partly sunny, with a high near 77. Southwest wind 13 to 15 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Tonight

    Tonight: Increasing clouds, with a low around 59. Southwest wind 5 to 7 mph becoming west after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of showers before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 74. North wind 5 to 8 mph.  Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Light south wind becoming west 5 to 9 mph in the morning.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm.  Partly sunny, with a high near 76. Southwest wind 7 to 10 mph.  Chance of precipitation is 30%.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 60. South wind 3 to 5 mph.  Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 77. Southwest wind 13 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Increasing clouds, with a low around 59. Southwest wind 5 to 7 mph becoming west after midnight.
Friday
A slight chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 74. North wind 5 to 8 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 74. Light south wind becoming west 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 56. South wind around 5 mph.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 76. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60. South wind 3 to 5 mph. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 77.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Calcium NY
 44.04°N 75.9°W (Elev. 453 ft)
9:57 am EDT Aug 27, 2026
10am EDT Aug 27, 2026-6pm EDT Sep 2, 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