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

86°F

30°C

Humidity 46%
Wind Speed W 12 mph
Barometer 30.13 in (1019.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 9 Aug 4:56 pm EDT
Extended Forecast for

Watertown NYSimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 68. West wind 5 to 9 mph becoming south in the evening.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 89. Southwest wind 7 to 10 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. South wind 3 to 5 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91. Southwest wind 6 to 8 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Calm wind becoming south around 6 mph after midnight.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Southwest wind 6 to 9 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. West wind 5 to 9 mph becoming south in the evening.
Sunday
Sunny, with a high near 89. Southwest wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 69. South wind 3 to 5 mph.
Monday
Sunny and hot, with a high near 91. Southwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 70. Calm wind becoming south around 6 mph after midnight.
Tuesday
Sunny and hot, with a high near 92. Southwest wind 6 to 9 mph.
Tuesday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. South wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown NYSimilar City Names
 43.98°N 75.91°W (Elev. 449 ft)
Last Update:
4:37 pm EDT Aug 9, 2025
Forecast Valid:
5pm EDT Aug 9, 2025-6pm EDT Aug 16, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation