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Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

A Few Clouds

45°F

7°C

Humidity 83%
Wind Speed W 6 mph
Barometer 30.04 in (1018.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 6 Sep 1:53 am CDT
Extended Forecast for

4 Miles WSW Vienna SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 43. Light west wind.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. North wind 5 to 8 mph becoming light and variable after midnight.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, sunny, with a high near 68. South wind 5 to 10 mph.

    High: 68 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. South southeast wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79. South wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. South wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 80. South wind 6 to 8 mph becoming north northeast in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. East wind around 8 mph.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 43. Light west wind.
Saturday
Mostly sunny, with a high near 61. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 37. North wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Patchy frost before 7am. Otherwise, sunny, with a high near 68. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 55. South southeast wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 79. South wind 10 to 14 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. South wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 80. South wind 6 to 8 mph becoming north northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. East wind around 8 mph.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Vienna SD
 44.69°N 97.56°W (Elev. 1781 ft)
Last Update:
2:30 am CDT Sep 6, 2025
Forecast Valid:
2am CDT Sep 6, 2025-6pm CDT Sep 12, 2025
 
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Additional Resources

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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