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

River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

42°F

6°C

Humidity 85%
Wind Speed N 20 mph
Barometer 29.76 in (1008.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 4 Nov 8:53 pm CST
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. North wind 13 to 18 mph, with gusts as high as 31 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog between 8am and noon. Otherwise, mostly cloudy, with a high near 40. North wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 40 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. North wind 5 to 8 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42. Calm wind becoming south around 6 mph in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. South southwest wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. West southwest wind 5 to 9 mph becoming light west after midnight.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Light and variable wind becoming southwest 5 to 9 mph in the morning.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. South southwest wind around 9 mph.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. North wind 13 to 18 mph, with gusts as high as 31 mph.
Thursday
Patchy fog between 8am and noon. Otherwise, mostly cloudy, with a high near 40. North wind 10 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 26. North wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 42. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 28. South southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 52. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 33. West southwest wind 5 to 9 mph becoming light west after midnight.
Sunday
Sunny, with a high near 57. Light and variable wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 39. South southwest wind around 9 mph.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 36.
Veterans Day
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
9:16 pm CST Nov 4, 2026
Forecast Valid:
9pm CST Nov 4, 2026-6pm CST Nov 11, 2026
 
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