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

57°F

14°C

Humidity 93%
Wind Speed S 12 mph
Barometer 29.54 in (1000.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Apr 3:53 am CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 58. South wind around 14 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Breezy, with a south wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 33 mph.

    High: 78 °F

    Becoming
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 44. West wind 6 to 13 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.

    Low: 44 °F

    Increasing
    Clouds

  • Monday

    Monday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 66. East wind 10 to 14 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 41. Northeast wind 6 to 10 mph becoming north northwest after midnight. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers after 1pm. Partly sunny, with a high near 62. North wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 62 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 42. North wind 5 to 8 mph becoming southeast after midnight. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Mostly sunny, with a high near 68. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 45. South southeast wind around 8 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 58. South wind around 14 mph, with gusts as high as 24 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Breezy, with a south wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Increasing clouds, with a low around 44. West wind 6 to 13 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.
Monday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 66. East wind 10 to 14 mph. Chance of precipitation is 50%.
Monday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 41. Northeast wind 6 to 10 mph becoming north northwest after midnight. Chance of precipitation is 20%.
Tuesday
A slight chance of showers after 1pm. Partly sunny, with a high near 62. North wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 42. North wind 5 to 8 mph becoming southeast after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 68. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 45. South southeast wind around 8 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 75.
Thursday Night
A chance of showers. Partly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 43. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
Last Update:
3:41 am CDT Apr 12, 2026
Forecast Valid:
3am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation