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

62°F

17°C

Humidity 35%
Wind Speed S 15 G 24 mph
Barometer 30.23 in (1024.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 May 2:53 pm CDT
Extended Forecast for

Hazel SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 63. South wind around 13 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. South wind 10 to 14 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 67. South southeast wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Southeast wind 13 to 17 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm. High near 57. East southeast wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers
    Likely then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 41. East wind 7 to 14 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers

  • Saturday

    Saturday: A slight chance of showers before 1pm. Mostly cloudy, with a high near 66. West northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. Northwest wind 5 to 8 mph becoming light and variable.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. South wind 7 to 11 mph.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 63. South wind around 13 mph.
Tonight
Mostly cloudy, with a low around 40. South wind 10 to 14 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 67. South southeast wind 11 to 17 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 42. Southeast wind 13 to 17 mph.
Friday
Showers, with thunderstorms also possible after 4pm. High near 57. East southeast wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 41. East wind 7 to 14 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 66. West northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 42. Northwest wind 5 to 8 mph becoming light and variable.
Sunday
Sunny, with a high near 79. South wind 7 to 11 mph.
Sunday Night
Mostly clear, with a low around 51.
Memorial Day
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 86. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hazel SD
 44.78°N 97.38°W (Elev. 1736 ft)
Last Update:
2:36 pm CDT May 20, 2026
Forecast Valid:
3pm CDT May 20, 2026-6pm CDT May 26, 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