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

36°F

2°C

Humidity 79%
Wind Speed NW 6 mph
Barometer 29.53 in (1000.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 9 Mar 4:53 am CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Today

    Today: Mostly sunny, with a high near 46. North wind 6 to 11 mph becoming east northeast in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of snow between 11pm and 4am. Increasing clouds, with a low around 26. Northeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 26 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow after 1pm. Mostly cloudy, with a high near 37. Northeast wind around 10 mph. Chance of precipitation is 30%.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Cloudy, with a low around 23. North northeast wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. West northwest wind 6 to 10 mph becoming south after midnight.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 48. South wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 48 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow and
    Blustery

  • Friday

    Friday: Mostly cloudy, with a high near 37. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 37 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 46. North wind 6 to 11 mph becoming east northeast in the afternoon.
Tonight
A chance of snow between 11pm and 4am. Increasing clouds, with a low around 26. Northeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday
A chance of snow after 1pm. Mostly cloudy, with a high near 37. Northeast wind around 10 mph. Chance of precipitation is 30%.
Tuesday Night
Snow likely, mainly before 1am. Cloudy, with a low around 23. North northeast wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 38. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 23. West northwest wind 6 to 10 mph becoming south after midnight.
Thursday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 48. South wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 37. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Friday Night
A chance of snow. Cloudy, with a low around 23. Chance of precipitation is 50%.
Saturday
A chance of snow. Cloudy, with a high near 40. Chance of precipitation is 50%.
Saturday Night
Snow likely. The snow could be heavy at times. Cloudy, with a low around 16. Chance of precipitation is 70%.
Sunday
A chance of snow. Mostly cloudy, with a high near 25. Blustery. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
Last Update:
4:36 am CDT Mar 9, 2026
Forecast Valid:
5am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation