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

41°F

5°C

Humidity 93%
Wind Speed Calm
Barometer 29.75 in (1008.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 Apr 12:53 am CDT
Extended Forecast for

Henry SD

Fire Weather Watch April 16, 11:00am until April 16, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Overnight

    Overnight: Partly cloudy, with a low around 39. South southeast wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles before 8am. Sunny, with a high near 73. Southwest wind 6 to 10 mph.

    High: 73 °F

    Chance
    Sprinkles

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. South wind 7 to 11 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Breezy, with a south wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am. Partly cloudy, with a low around 35. South southwest wind 14 to 18 mph becoming northeast after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of rain and snow showers before 10am, then a chance of snow showers. Mostly cloudy, with a high near 46. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.

    High: 46 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 22. Blustery, with a north northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Blustery.
    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A slight chance of snow showers before 1pm. Mostly sunny, with a high near 41. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Blustery, with a northwest wind 19 to 24 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.

    Low: 23 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. South southeast wind around 6 mph.
Wednesday
A chance of sprinkles before 8am. Sunny, with a high near 73. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 45. South wind 7 to 11 mph.
Thursday
Sunny, with a high near 81. Breezy, with a south wind 14 to 21 mph, with gusts as high as 29 mph.
Thursday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 35. South southwest wind 14 to 18 mph becoming northeast after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Friday
A chance of rain and snow showers before 10am, then a chance of snow showers. Mostly cloudy, with a high near 46. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 22. Blustery, with a north northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Saturday
A slight chance of snow showers before 1pm. Mostly sunny, with a high near 41. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 23. Blustery, with a northwest wind 19 to 24 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 69. Breezy.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 69.
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:
1:31 am CDT Apr 15, 2026
Forecast Valid:
1am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
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