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

38°F

3°C

Humidity 79%
Wind Speed N 7 mph
Barometer 29.78 in (1008.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 30 Mar 5:53 am CDT
Extended Forecast for

Wallace SD

  • Today

    Today: Mostly sunny, with a high near 65. Northeast wind 9 to 13 mph becoming southeast in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain between 1am and 4am. Increasing clouds, with a low around 34. Breezy, with an east northeast wind 9 to 14 mph becoming north 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 34 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. East northeast wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 1pm. Cloudy, with a high near 35. East wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely. Cloudy, with a low around 26. East wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 35. East wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 35 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 25. East wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: Snow likely. Cloudy, with a high near 34. Breezy, with an east wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    High: 34 °F

    Snow Likely
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 65. Northeast wind 9 to 13 mph becoming southeast in the afternoon.
Tonight
A slight chance of rain between 1am and 4am. Increasing clouds, with a low around 34. Breezy, with an east northeast wind 9 to 14 mph becoming north 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 42. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 23. East northeast wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday
Snow likely, mainly after 1pm. Cloudy, with a high near 35. East wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow likely. Cloudy, with a low around 26. East wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 35. East wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25. East wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Snow likely. Cloudy, with a high near 34. Breezy, with an east wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Friday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Saturday
A chance of snow. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 40%.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 21. Blustery. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
Last Update:
5:36 am CDT Mar 30, 2026
Forecast Valid:
6am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation