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.

A Few Clouds

72°F

22°C

Humidity 71%
Wind Speed W 6 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 26 Aug 11:56 am EDT
Extended Forecast for

3 Miles WNW Calcium NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Southwest wind around 8 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South wind 3 to 8 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 78. Southwest wind 11 to 15 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • 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 55. Southwest wind 3 to 7 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 8am and 2pm.  Mostly 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 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Light south wind.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Southwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 64. South wind 3 to 8 mph.
Thursday
A slight chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Southwest wind 11 to 15 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth 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 55. Southwest wind 3 to 7 mph. 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 8am and 2pm. Mostly 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 49. Calm wind.
Saturday
Sunny, with a high near 74. Calm wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 53. Light south wind.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Calcium NY
 44.04°N 75.9°W (Elev. 453 ft)
9:57 am EDT Aug 26, 2026
12pm EDT Aug 26, 2026-6pm EDT Sep 1, 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