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.

Overcast

23°F

-5°C

Humidity 88%
Wind Speed N 18 G 24 mph
Barometer 29.90 in (1014.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 7 Mar 12:53 am CST
Extended Forecast for

4 Miles ESE Castlewood SD

  • Overnight

    Overnight: A chance of snow, mainly before 2am. Mostly cloudy, with a low around 22. North northwest wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 10 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 46 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Southwest wind 11 to 18 mph, with gusts as high as 29 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63. Breezy, with a west southwest wind 11 to 21 mph, with gusts as high as 32 mph.

    High: 63 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. West southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. North wind 10 to 13 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow after midnight. Mostly cloudy, with a low around 26. East northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A slight chance of snow. Mostly cloudy, with a high near 40. East northeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 22. North wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of snow, mainly before 2am. Mostly cloudy, with a low around 22. North northwest wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 10 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 33. Southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 63. Breezy, with a west southwest wind 11 to 21 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 35. West southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 49. North wind 10 to 13 mph.
Monday Night
A chance of snow after midnight. Mostly cloudy, with a low around 26. East northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 40. East northeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 22. North wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 50. Breezy.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 39. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
Last Update:
12:31 am CST Mar 7, 2026
Forecast Valid:
1am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation