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

33°F

1°C

Humidity 40%
Wind Speed N 17 G 23 mph
Barometer 30.45 in (1033.2 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 6 Apr 3:53 pm CDT
Extended Forecast for

Wallace SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 30. North northeast wind around 16 mph.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. North northeast wind 7 to 14 mph becoming east southeast after midnight. Winds could gust as high as 22 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 39 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Breezy, with a south wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A slight chance of rain before 1pm. Partly sunny, with a high near 51. Breezy, with a west southwest wind 13 to 18 mph becoming west 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Breezy, with a west wind 13 to 22 mph, with gusts as high as 33 mph.

    Low: 25 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: A slight chance of snow after 1pm. Mostly sunny, with a high near 43. Northwest wind around 10 mph. Chance of precipitation is 20%.

    High: 43 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 1am, then a slight chance of snow. Partly cloudy, with a low around 25. North wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Sunny, with a high near 52. West northwest wind 5 to 8 mph.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 30. North northeast wind around 16 mph.
Tonight
Partly cloudy, with a low around 16. North northeast wind 7 to 14 mph becoming east southeast after midnight. Winds could gust as high as 22 mph.
Tuesday
Mostly sunny, with a high near 39. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Breezy, with a south wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of rain before 1pm. Partly sunny, with a high near 51. Breezy, with a west southwest wind 13 to 18 mph becoming west 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 25. Breezy, with a west wind 13 to 22 mph, with gusts as high as 33 mph.
Thursday
A slight chance of snow after 1pm. Mostly sunny, with a high near 43. Northwest wind around 10 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain and snow before 1am, then a slight chance of snow. Partly cloudy, with a low around 25. North wind 5 to 8 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 52. West northwest wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A chance of rain. Mostly cloudy, with a high near 57. 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. Mostly cloudy, with a high near 70. 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:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
Last Update:
4:51 pm CDT Apr 6, 2026
Forecast Valid:
4pm CDT Apr 6, 2026-6pm CDT Apr 12, 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