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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

67°F

19°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 30.04 in (1016.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 6 Jul 6:53 am CDT
Extended Forecast for

Hayti SD

  • Today

    Today: Sunny and hot, with a high near 93. South wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 93 °F

    Hot

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. South wind 8 to 11 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly between 2pm and 5pm. Some of the storms could be severe. Increasing clouds and hot, with a high near 90. Southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 90 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe. Low around 69. East southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Severe
    Thunderstorms
    then Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. South wind around 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 63. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 81. Northeast wind around 8 mph.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. East northeast wind around 6 mph becoming light and variable after midnight.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. South southeast wind 5 to 8 mph.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 93. South wind 7 to 16 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. South wind 8 to 11 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms, mainly between 2pm and 5pm. Some of the storms could be severe. Increasing clouds and hot, with a high near 90. Southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe. Low around 69. East southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. South wind around 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 63. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 81. Northeast wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 62. East northeast wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 83. South southeast wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny and hot, with a high near 91.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny and hot, with a high near 94.
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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:
7:36 am CDT Jul 6, 2026
Forecast Valid:
7am CDT Jul 6, 2026-6pm CDT Jul 12, 2026
 
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