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

44°F

7°C

Humidity 43%
Wind Speed S 7 mph
Barometer 29.93 in (1014.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 28 Mar 10:53 pm CDT
Extended Forecast for

9 Miles S Ortley SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. South wind 7 to 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 67. South southeast wind 6 to 8 mph becoming west in the afternoon.

    High: 67 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Northwest wind 6 to 10 mph becoming east after midnight.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. East northeast wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 32. North wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of snow before 7am. Partly sunny, with a high near 41. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 10%.

    High: 41 °F

    Breezy.
    Slight Chance
    Snow then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. Blustery, with a north northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph.

    Low: 18 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. Southeast wind 8 to 16 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Southeast wind around 18 mph, with gusts as high as 29 mph.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. South wind 7 to 10 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 67. South southeast wind 6 to 8 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 36. Northwest wind 6 to 10 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 63. East northeast wind 11 to 14 mph, with gusts as high as 22 mph.
Monday Night
A slight chance of rain after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 32. North wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow before 7am. Partly sunny, with a high near 41. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 10%.
Tuesday Night
Mostly clear, with a low around 18. Blustery, with a north northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly sunny, with a high near 43. Southeast wind 8 to 16 mph.
Wednesday Night
Partly cloudy, with a low around 30. Southeast wind around 18 mph, with gusts as high as 29 mph.
Thursday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 47. Breezy. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 45. 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 40. Breezy. Chance of precipitation is 40%.
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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:
11:36 pm CDT Mar 28, 2026
Forecast Valid:
11pm CDT Mar 28, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation