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

33°F

1°C

Humidity 78%
Wind Speed S 5 mph
Barometer 30.08 in (1019.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 2 May 3:53 am CDT
Extended Forecast for

Hayti SD

  • Today

    Today: Increasing clouds, with a high near 64. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 64 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. West southwest wind 9 to 14 mph becoming north after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. North northwest wind 8 to 15 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers after 1pm. Partly sunny, with a high near 65. Breezy, with a west southwest wind 14 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. North northwest wind 7 to 16 mph.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. North northwest wind 9 to 14 mph becoming light north northeast after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. Light north wind becoming northwest 6 to 11 mph in the morning.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 64. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Tonight
Mostly cloudy, with a low around 39. West southwest wind 9 to 14 mph becoming north after midnight.
Sunday
Sunny, with a high near 65. North northwest wind 8 to 15 mph.
Sunday Night
Partly cloudy, with a low around 46. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
A slight chance of showers after 1pm. Partly sunny, with a high near 65. Breezy, with a west southwest wind 14 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 33. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.
Tuesday
Partly sunny, with a high near 50. North northwest wind 7 to 16 mph.
Tuesday Night
Mostly cloudy, with a low around 29. North northwest wind 9 to 14 mph becoming light north northeast after midnight.
Wednesday
Mostly sunny, with a high near 51. Light north wind becoming northwest 6 to 11 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 65.
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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:
3:36 am CDT May 2, 2026
Forecast Valid:
4am CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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