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

49°F

9°C

Humidity 50%
Wind Speed NW 23 G 32 mph
Barometer 30.24 in (1025.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 5 Apr 3:53 pm CDT
Extended Forecast for

Wallace SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 44. Breezy, with a northwest wind around 25 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Blustery, with a north wind 17 to 22 mph decreasing to 10 to 15 mph after midnight.

    Low: 21 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 30. North wind 10 to 14 mph.

    High: 30 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. North northeast wind 7 to 10 mph becoming east southeast after midnight.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, 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 33 mph.

    High: 36 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 30. Breezy, with a south southeast wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain before 1pm. Partly sunny, with a high near 50. Breezy, with a south wind 13 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 40%.

    High: 50 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Breezy, with a west wind 15 to 21 mph, with gusts as high as 31 mph.

    Low: 27 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Northwest wind around 14 mph.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 44. Breezy, with a northwest wind around 25 mph.
Tonight
Mostly cloudy, with a low around 21. Blustery, with a north wind 17 to 22 mph decreasing to 10 to 15 mph after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 30. North wind 10 to 14 mph.
Monday Night
Partly cloudy, with a low around 15. North northeast wind 7 to 10 mph becoming east southeast after midnight.
Tuesday
Mostly cloudy, 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 33 mph.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 30. Breezy, with a south southeast wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain before 1pm. Partly sunny, with a high near 50. Breezy, with a south wind 13 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 27. Breezy, with a west wind 15 to 21 mph, with gusts as high as 31 mph.
Thursday
Mostly sunny, with a high near 43. Northwest wind around 14 mph.
Thursday Night
A slight chance of rain and snow after 1am. Partly cloudy, with a low around 25. Chance of precipitation is 20%.
Friday
A chance of rain and snow. Mostly sunny, with a high near 51. Chance of precipitation is 30%.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Saturday
A chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 30%.
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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:
4:01 pm CDT Apr 5, 2026
Forecast Valid:
4pm CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation