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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

43°F

6°C

Humidity 74%
Wind Speed W 9 mph
Barometer 30.24 in (1025.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 5 Apr 10:53 am CDT
Extended Forecast for

Hayti SD

  • Today

    Today: Sunny, with a high near 50. West southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 23. North wind 9 to 17 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 33. North wind 10 to 15 mph.

    High: 33 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. North northeast wind 7 to 13 mph becoming east southeast after midnight.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 4pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 38. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 7pm, then a slight chance of rain after 1am. Mostly cloudy, with a low around 30. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday

    Wednesday: A chance of rain before 1pm. Partly sunny, with a high near 52. Breezy, with a south wind 14 to 21 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 1am. Partly cloudy, with a low around 26. West northwest wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow after 1pm. Partly sunny, with a high near 44. North northwest wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 50. West southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Tonight
Increasing clouds, with a low around 23. North wind 9 to 17 mph, with gusts as high as 25 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 33. North wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 14. North northeast wind 7 to 13 mph becoming east southeast after midnight.
Tuesday
A slight chance of snow before 4pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 38. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain before 7pm, then a slight chance of rain after 1am. Mostly cloudy, with a low around 30. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain before 1pm. Partly sunny, with a high near 52. Breezy, with a south wind 14 to 21 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of snow after 1am. Partly cloudy, with a low around 26. West northwest wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Thursday
A slight chance of snow after 1pm. Partly sunny, with a high near 44. North northwest wind 8 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A chance of rain and snow, mainly after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Mostly sunny, with a high near 48. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 54. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hayti SD
 44.65°N 97.2°W (Elev. 1699 ft)
Last Update:
11:36 am CDT Apr 5, 2026
Forecast Valid:
11am CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation