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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

69°F

21°C

Humidity 66%
Wind Speed Calm
Barometer 30.16 in (1020.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 10 Aug 5:56 am EDT
Extended Forecast for

3 Miles ENE Sackets Harbor NY

  • Today

    Today: Sunny, with a high near 87. Southwest wind 8 to 10 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind becoming south around 6 mph after midnight.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. Southwest wind 7 to 9 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Calm wind becoming south around 6 mph after midnight.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 90. Southwest wind 7 to 10 mph.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 83. Southwest wind 7 to 11 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Southwest wind 3 to 6 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Southwest wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 67. Calm wind becoming south around 6 mph after midnight.
Monday
Sunny, with a high near 88. Southwest wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 68. Calm wind becoming south around 6 mph after midnight.
Tuesday
Sunny and hot, with a high near 90. Southwest wind 7 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers. Partly sunny, with a high near 83. Southwest wind 7 to 11 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 63. Southwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Sackets Harbor NY
 43.95°N 76.07°W (Elev. 328 ft)
Last Update:
4:36 am EDT Aug 10, 2025
Forecast Valid:
6am EDT Aug 10, 2025-6pm EDT Aug 16, 2025
 
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