National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

35°F

2°C

Humidity 82%
Wind Speed NE 5 mph
Barometer 29.85 in (1012.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 16 Feb 8:53 am CST
Extended Forecast for

4 Miles ESE Castlewood SD

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 55. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 36. East southeast wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 54. Breezy, with an east southeast wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.

    High: 54 °F

    Breezy.
    Slight Chance
    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 33. Breezy, with an east southeast wind 11 to 16 mph becoming west 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 50%.

    Low: 33 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: A chance of rain and snow before 9am, then a chance of snow. Mostly sunny, with a high near 40. Breezy, with a west wind 20 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.

    High: 40 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow before midnight. Partly cloudy, with a low around 20. North northwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow after noon. Mostly cloudy, with a high near 28. North wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 12. North northwest wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 12 °F

    Chance Snow

  • Friday

    Friday: A slight chance of snow before noon. Mostly cloudy, with a high near 24. Northwest wind 9 to 13 mph. Chance of precipitation is 20%.

    High: 24 °F

    Slight Chance
    Snow then
    Partly Sunny

Detailed Forecast

Washington's Birthday
Sunny, with a high near 55. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 36. East southeast wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 54. Breezy, with an east southeast wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 33. Breezy, with an east southeast wind 11 to 16 mph becoming west 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 50%.
Wednesday
A chance of rain and snow before 9am, then a chance of snow. Mostly sunny, with a high near 40. Breezy, with a west wind 20 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 20. North northwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday
A slight chance of snow after noon. Mostly cloudy, with a high near 28. North wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 12. North northwest wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday
A slight chance of snow before noon. Mostly cloudy, with a high near 24. Northwest wind 9 to 13 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
A slight chance of snow. Partly sunny, with a high near 25. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 23.
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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:
8:37 am CST Feb 16, 2026
Forecast Valid:
8am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
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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