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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

68°F

20°C

Humidity 53%
Wind Speed S 10 G 17 mph
Barometer 29.71 in (1005.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Jun 10:56 am EDT
Extended Forecast for

Cape Vincent NY

  • Today

    Today: A chance of showers, mainly before noon. Mostly sunny, with a high near 71. Southwest wind 7 to 11 mph. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 61. Southeast wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Mostly Cloudy
    then Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 72. Breezy, with a south wind 21 to 24 mph becoming southwest in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 57. Breezy, with a west wind 17 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Breezy.
    Chance
    Showers then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A slight chance of showers after 2pm. Mostly sunny, with a high near 70. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 70 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. West wind around 15 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 70. West wind around 15 mph. Chance of precipitation is 40%.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 56. West wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, mainly before noon. Mostly sunny, with a high near 71. Southwest wind 7 to 11 mph. Chance of precipitation is 40%.
Tonight
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 61. Southeast wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 72. Breezy, with a south wind 21 to 24 mph becoming southwest in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 57. Breezy, with a west wind 17 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Juneteenth
A slight chance of showers after 2pm. Mostly sunny, with a high near 70. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 56. West wind around 15 mph.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 70. West wind around 15 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 56. West wind 8 to 10 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cape Vincent NY
 44.13°N 76.34°W (Elev. 246 ft)
Last Update:
9:57 am EDT Jun 17, 2026
Forecast Valid:
11am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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