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

62°F

17°C

Humidity 60%
Wind Speed NW 12 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 7:53 pm CDT
Extended Forecast for

Wallace SD

  • Tonight

    Tonight: Mostly clear, with a low around 45. Northwest wind 6 to 9 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. West northwest wind 5 to 9 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. South wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. South southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. North northwest wind around 6 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. North wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Light and variable wind becoming west northwest around 5 mph in the evening.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Northwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 65. West northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.
Monday
Sunny, with a high near 70. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Mostly clear, with a low around 55. South wind 10 to 16 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 77. South southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 52. North northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 69. North wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 52. Light and variable wind becoming west northwest around 5 mph in the evening.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 74. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
Last Update:
8:21 pm CDT Oct 3, 2026
Forecast Valid:
8pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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