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

63°F

17°C

Humidity 70%
Wind Speed SE 3 mph
Barometer 30.09 in (1017.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 30 Sep 1:53 am CDT
Extended Forecast for

Henry SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. Light south southeast wind.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 79. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. South wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Breezy, with a south wind 17 to 24 mph, with gusts as high as 33 mph.

    High: 81 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. South wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. South wind around 14 mph, with gusts as high as 22 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. South wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers. Partly cloudy, with a low around 61. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. Light south southeast wind.
Tuesday
Mostly cloudy, with a high near 79. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 61. South wind 14 to 16 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 81. Breezy, with a south wind 17 to 24 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 61. South wind 14 to 17 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 84. South wind around 14 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 64. South wind 10 to 14 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 86. South wind 13 to 16 mph, with gusts as high as 24 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 61. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 46. Chance of precipitation is 20%.
Monday
A slight chance of showers. Mostly sunny, with a high near 62. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Henry SD
 44.88°N 97.48°W (Elev. 1818 ft)
Last Update:
2:15 am CDT Sep 30, 2025
Forecast Valid:
2am CDT Sep 30, 2025-6pm CDT Oct 6, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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