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.

Overcast

44°F

7°C

Humidity 53%
Wind Speed SE 6 mph
Barometer 30.25 in (1025.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 10 Apr 11:53 pm CDT
Extended Forecast for

Wallace SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. South southeast wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly before 10am. Mostly cloudy, with a high near 57. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Breezy, with a south wind 18 to 21 mph, with gusts as high as 33 mph.

    Low: 50 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: A slight chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 77. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 10%.

    High: 77 °F

    Breezy.
    Slight Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. West wind 8 to 14 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 69. East wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 1am. Partly cloudy, with a low around 46. East wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 62. Southeast wind 8 to 14 mph becoming north in the afternoon. Chance of precipitation is 50%.

    High: 62 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 41. North wind 6 to 11 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. South southeast wind 7 to 14 mph, with gusts as high as 24 mph.
Saturday
A chance of showers, mainly before 10am. Mostly cloudy, with a high near 57. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 50. Breezy, with a south wind 18 to 21 mph, with gusts as high as 33 mph.
Sunday
A slight chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 77. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 10%.
Sunday Night
Mostly clear, with a low around 44. West wind 8 to 14 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.
Monday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 69. East wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers, mainly before 1am. Partly cloudy, with a low around 46. East wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 62. Southeast wind 8 to 14 mph becoming north in the afternoon. Chance of precipitation is 50%.
Tuesday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 41. North wind 6 to 11 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers, mainly before 1pm. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 46. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 20%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 40. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 54. Breezy. Chance of precipitation is 30%.
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:
12:01 am CDT Apr 11, 2026
Forecast Valid:
12am CDT Apr 11, 2026-6pm CDT Apr 17, 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