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.

Mostly Cloudy

29°F

-2°C

Humidity 89%
Wind Speed N 10 mph
Barometer 30.39 in (1030.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 6 Apr 3:53 am CDT
Extended Forecast for

Wallace SD

  • Today

    Today: Mostly sunny, with a high near 29. North wind 11 to 13 mph.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. North northeast wind 8 to 10 mph becoming east southeast after midnight.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. Breezy, with a south southeast wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 36 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Breezy, with a south southeast wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 1pm. Partly sunny, with a high near 49. Breezy, with a south wind 14 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. West northwest wind 11 to 14 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. North northwest wind 5 to 9 mph becoming east after midnight.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain and snow before 1pm, then a slight chance of rain. Sunny, with a high near 51. Southeast wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 29. North wind 11 to 13 mph.
Tonight
Partly cloudy, with a low around 16. North northeast wind 8 to 10 mph becoming east southeast after midnight.
Tuesday
Partly sunny, with a high near 36. Breezy, with a south southeast wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Breezy, with a south southeast wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain before 1pm. Partly sunny, with a high near 49. Breezy, with a south wind 14 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 27. West wind 14 to 18 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 44. West northwest wind 11 to 14 mph.
Thursday Night
Partly cloudy, with a low around 26. North northwest wind 5 to 9 mph becoming east after midnight.
Friday
A slight chance of rain and snow before 1pm, then a slight chance of rain. Sunny, with a high near 51. Southeast wind 6 to 10 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Saturday
A chance of rain. Mostly cloudy, with a high near 59. Breezy. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Sunday
A chance of rain. Partly sunny, with a high near 68. Chance of precipitation is 50%.
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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:
3:36 am CDT Apr 6, 2026
Forecast Valid:
4am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation