National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair and Breezy

62°F

17°C

Humidity 21%
Wind Speed SW 21 G 30 mph
Barometer 29.94 in (1014.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 28 Mar 5:53 pm CDT
Extended Forecast for

Wallace SD

Red Flag Warning March 28, 06:00pm until March 28, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning March 28, 06:00pm until March 28, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 69. Southeast wind 5 to 8 mph becoming west in the afternoon.

    High: 69 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Northwest wind 5 to 7 mph becoming east southeast in the evening.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67. East northeast wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Breezy, with a northeast wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 33 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Blustery, with a north northwest wind 15 to 20 mph becoming north northeast 8 to 13 mph after midnight. Winds could gust as high as 28 mph.

    Low: 19 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. East northeast wind 8 to 16 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Southwest wind 13 to 18 mph becoming southeast 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 69. Southeast wind 5 to 8 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 37. Northwest wind 5 to 7 mph becoming east southeast in the evening.
Monday
Mostly sunny, with a high near 67. East northeast wind 11 to 14 mph, with gusts as high as 22 mph.
Monday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Breezy, with a northeast wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 42. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 19. Blustery, with a north northwest wind 15 to 20 mph becoming north northeast 8 to 13 mph after midnight. Winds could gust as high as 28 mph.
Wednesday
Mostly sunny, with a high near 45. East northeast wind 8 to 16 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A slight chance of snow after 1am. Partly cloudy, with a low around 30. Breezy, with a southeast wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 47. Windy. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 41. Breezy. Chance of precipitation is 40%.
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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:
5:56 pm CDT Mar 28, 2026
Forecast Valid:
6pm CDT Mar 28, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation