Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains

A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

37°F

3°C

Humidity 76%
Wind Speed S 14 mph
Barometer 30.04 in (1019.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 2 Mar 1:53 pm CST
Extended Forecast for

4 Miles ESE Castlewood SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 40. South wind 5 to 8 mph, with gusts as high as 21 mph.

    High: 40 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of rain between 8pm and 10pm.  Cloudy, with a low around 29. South wind 6 to 10 mph.  Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain then
    Cloudy

  • Tuesday

    Tuesday: Patchy fog between 8am and 11am.  Otherwise, partly sunny, with a high near 46. South wind around 6 mph becoming light and variable  in the afternoon.

    High: 46 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 29. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 29 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, sunny, with a high near 54. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. South wind around 8 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Southeast wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after midnight.  Mostly cloudy, with a low around 38. Southeast wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: A chance of rain.  Mostly cloudy, with a high near 46. East wind 10 to 18 mph becoming north in the afternoon.  Chance of precipitation is 50%.

    High: 46 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 40. South wind 5 to 8 mph, with gusts as high as 21 mph.
Tonight
A slight chance of rain between 8pm and 10pm. Cloudy, with a low around 29. South wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday
Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 46. South wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 29. Calm wind becoming south 5 to 7 mph after midnight.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 54. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 32. South wind around 8 mph.
Thursday
Mostly sunny, with a high near 59. Southeast wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 38. Southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 46. East wind 10 to 18 mph becoming north in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Mostly sunny, with a high near 55. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
2:36 pm CST Mar 2, 2026
2pm CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database