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

72°F

22°C

Humidity 28%
Wind Speed S 5 mph
Barometer 29.54 in (1000.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 16 Apr 7:53 pm CDT
Extended Forecast for

Watertown SD

  • Tonight

    Tonight: A slight chance of showers before 10pm. Mostly cloudy, with a low around 36. South wind 13 to 17 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of rain and snow showers before noon, then a chance of snow showers between noon and 1pm. Mostly cloudy, with a high near 39. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    High: 39 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. Blustery, with a northwest wind 18 to 25 mph, with gusts as high as 36 mph.

    Low: 22 °F

    Mostly Cloudy
    and Blustery

  • Saturday

    Saturday: Sunny, with a high near 43. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 43 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

    Low: 24 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 50. North northwest wind 6 to 9 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. North northeast wind 6 to 11 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 28 mph.

    High: 70 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. South southwest wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers before 10pm. Mostly cloudy, with a low around 36. South wind 13 to 17 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Friday
A chance of rain and snow showers before noon, then a chance of snow showers between noon and 1pm. Mostly cloudy, with a high near 39. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 22. Blustery, with a northwest wind 18 to 25 mph, with gusts as high as 36 mph.
Saturday
Sunny, with a high near 43. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 24. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 50. North northwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 32. North northeast wind 6 to 11 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 70. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 42. South southwest wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 74.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 70. Breezy. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.17°W (Elev. 1755 ft)
Last Update:
7:36 pm CDT Apr 16, 2026
Forecast Valid:
8pm CDT Apr 16, 2026-6pm CDT Apr 23, 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