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

77°F

25°C

Humidity 45%
Wind Speed S 8 mph
Barometer 29.84 in (1009.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 May 8:53 pm CDT
Extended Forecast for

Henry SD

  • Tonight

    Tonight: Partly cloudy, with a low around 60. East wind 9 to 11 mph becoming south southeast after midnight. Winds could gust as high as 24 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91. South wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88. Southeast wind 8 to 13 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. East southeast wind 11 to 13 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Southeast wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. Southeast wind 10 to 14 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81. Southeast wind 10 to 16 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. Southeast wind 11 to 14 mph.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. East wind 9 to 11 mph becoming south southeast after midnight. Winds could gust as high as 24 mph.
Tuesday
Mostly sunny and hot, with a high near 91. South wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 59. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 88. Southeast wind 8 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 58. East southeast wind 11 to 13 mph.
Thursday
Mostly sunny, with a high near 86. Southeast wind 13 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 58. Southeast wind 10 to 14 mph.
Friday
Partly sunny, with a high near 81. Southeast wind 10 to 16 mph.
Friday Night
Mostly cloudy, with a low around 57. Southeast wind 11 to 14 mph.
Saturday
Partly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
A slight chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Henry SD
 44.88°N 97.48°W (Elev. 1818 ft)
Last Update:
8:36 pm CDT May 25, 2026
Forecast Valid:
9pm CDT May 25, 2026-6pm CDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation