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 and Breezy

36°F

2°C

Humidity 79%
Wind Speed N 21 G 28 mph
Barometer 29.83 in (1010.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 31 Mar 1:53 am CDT
Extended Forecast for

Webster SD

  • Overnight

    Overnight: A slight chance of rain after 4am. Mostly cloudy, with a low around 32. Breezy, with a north wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 41. North northwest wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 4am. Mostly cloudy, with a low around 25. Northeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 1pm. Cloudy, with a high near 37. East wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 27. East wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow

  • Thursday

    Thursday: Snow, mainly before 1pm. High near 33. East northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Snow

  • Thursday Night

    Thursday Night: A slight chance of snow before 1am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 27. East northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Slight Chance
    Snow then
    Chance Wintry
    Mix

  • Friday

    Friday: Snow likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 34. East northeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 34 °F

    Wintry Mix
    Likely

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 26. Northeast wind 13 to 15 mph becoming north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    Low: 26 °F

    Snow Likely

Detailed Forecast

Overnight
A slight chance of rain after 4am. Mostly cloudy, with a low around 32. Breezy, with a north wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 41. North northwest wind 14 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 25. Northeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Snow likely, mainly after 1pm. Cloudy, with a high near 37. East wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow. Low around 27. East wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow, mainly before 1pm. High near 33. East northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A slight chance of snow before 1am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 27. East northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
Snow likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 34. East northeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
Snow likely. Mostly cloudy, with a low around 26. Northeast wind 13 to 15 mph becoming north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Saturday
A chance of snow. Mostly cloudy, with a high near 34. Breezy. Chance of precipitation is 50%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Webster SD
 45.33°N 97.52°W (Elev. 1831 ft)
Last Update:
1:31 am CDT Mar 31, 2026
Forecast Valid:
2am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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