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Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

53°F

12°C

Humidity 41%
Wind Speed N 9 mph
Barometer 30.17 in (1022.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 10 May 10:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

Frost Advisory May 11, 03:00am until May 11, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Sunny, with a high near 56. North northwest wind 11 to 13 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 33. North wind 6 to 9 mph becoming south southeast after midnight.

    Low: 33 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 70. Breezy, with a south southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 70 °F

    Frost then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. South southeast wind 14 to 18 mph becoming northwest after midnight. Winds could gust as high as 30 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 68. Breezy, with a northwest wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 68 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Breezy, with a north wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 33 mph.

    Low: 40 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. North northwest wind 5 to 7 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Breezy, with a southeast wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph.

    Low: 47 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 79. Breezy, with a south wind 23 to 26 mph, with gusts as high as 39 mph.

    High: 79 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 56. North northwest wind 11 to 13 mph.
Tonight
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 33. North wind 6 to 9 mph becoming south southeast after midnight.
Monday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 70. Breezy, with a south southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Partly cloudy, with a low around 48. South southeast wind 14 to 18 mph becoming northwest after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 68. Breezy, with a northwest wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph.
Tuesday Night
Mostly clear, with a low around 40. Breezy, with a north wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 33 mph.
Wednesday
Sunny, with a high near 69. North northwest wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 47. Breezy, with a southeast wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph.
Thursday
Partly sunny, with a high near 79. Breezy, with a south wind 23 to 26 mph, with gusts as high as 39 mph.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A slight chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ortley SD
 45.21°N 97.24°W (Elev. 1900 ft)
Last Update:
11:06 am CDT May 10, 2026
Forecast Valid:
11am CDT May 10, 2026-6pm CDT May 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation