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

Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

55°F

13°C

Humidity 83%
Wind Speed Calm
Barometer 29.82 in (1009.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Jun 11:56 pm EDT
Extended Forecast for

Cape Vincent NY

  • Overnight

    Overnight: Partly cloudy, with a low around 56. Light west wind.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 74. Light west wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. West wind around 5 mph becoming light and variable in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 75. South wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 58. Light and variable wind. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. North wind 6 to 8 mph becoming west in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. Light west wind.
Sunday
A chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 74. Light west wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly cloudy, with a low around 57. West wind around 5 mph becoming light and variable in the evening.
Monday
A chance of showers. Mostly cloudy, with a high near 75. South wind 3 to 6 mph. Chance of precipitation is 30%.
Monday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 58. Light and variable wind. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 79. North wind 6 to 8 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 58. Light and variable wind.
Wednesday
Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A chance of showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cape Vincent NY
 44.13°N 76.31°W (Elev. 279 ft)
Last Update:
9:57 pm EDT Jun 20, 2026
Forecast Valid:
1am EDT Jun 21, 2026-6pm EDT Jun 27, 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