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.

A Few Clouds

28°F

-2°C

Humidity 88%
Wind Speed SW 5 mph
Barometer 30.04 in (1019.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 19 Apr 1:53 am CDT
Extended Forecast for

Wallace SD

  • Overnight

    Overnight: A slight chance of snow showers before 4am. Mostly cloudy, with a low around 26. Northwest wind around 10 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Sunny, with a high near 44. North wind 8 to 10 mph.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. North wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67. Breezy, with a south wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 67 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Southwest wind 6 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Northeast wind 7 to 9 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. East southeast wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Breezy, with a south southeast wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Breezy, with a south wind 23 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.

    Low: 58 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of snow showers before 4am. Mostly cloudy, with a low around 26. Northwest wind around 10 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 44. North wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 27. North wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 67. Breezy, with a south wind 14 to 23 mph, with gusts as high as 34 mph.
Monday Night
Mostly clear, with a low around 39. Southwest wind 6 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 72. Northeast wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 50. East southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 84. Breezy, with a south southeast wind 14 to 23 mph, with gusts as high as 34 mph.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Breezy, with a south wind 23 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly sunny, with a high near 72. Windy. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 35. Breezy. Chance of precipitation is 30%.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 51. Breezy. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 30. Blustery.
Saturday
Mostly sunny, with a high near 51.
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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:
1:31 am CDT Apr 19, 2026
Forecast Valid:
2am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation