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Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

46°F

8°C

Humidity 79%
Wind Speed Calm
Barometer 29.69 in (1005.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 15 May 6:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

Red Flag Warning May 15, 09:00am until May 15, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Sunny, with a high near 78. West wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. West northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. West wind 5 to 8 mph becoming east in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, mainly after 4am. Increasing clouds, with a low around 48. Breezy, with an east wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Partly Cloudy
    then Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 7am, then showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 70. Breezy, with an east wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. North northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 55. Breezy, with a north wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 38. Breezy, with a north wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.

    Low: 38 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers before 1pm. Cloudy, with a high near 49. Breezy, with a northwest wind 23 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 78. West wind 8 to 17 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 47. West northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 75. West wind 5 to 8 mph becoming east in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm, mainly after 4am. Increasing clouds, with a low around 48. Breezy, with an east wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm before 7am, then showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 70. Breezy, with an east wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. North northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 55. Breezy, with a north wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 38. Breezy, with a north wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.
Tuesday
A chance of showers before 1pm. Cloudy, with a high near 49. Breezy, with a northwest wind 23 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 33. Breezy.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ortley SD
 45.21°N 97.24°W (Elev. 1900 ft)
Last Update:
6:36 am CDT May 15, 2026
Forecast Valid:
7am CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation