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

Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

42°F

6°C

Humidity 71%
Wind Speed NE 6 mph
Barometer 29.83 in (1011.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 24 Nov 4:53 pm CST
Extended Forecast for

4 Miles W Castlewood SD

Wind Advisory November 25, 12:00pm until November 25, 08:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A chance of rain after 3am. Cloudy, with a low around 33. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 33 °F

    Cloudy then
    Chance Rain

  • Tuesday

    Tuesday: Rain and snow, becoming all snow after 1pm. Patchy blowing snow after 1pm. Temperature falling to around 27 by 5pm. Breezy, with a west northwest wind 5 to 15 mph increasing to 19 to 29 mph. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 36 °F⇓

    Rain/Snow and
    Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before midnight. Patchy blowing snow between 9pm and 5am. Cloudy, with a low around 19. Blustery, with a northwest wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 40%.

    Low: 19 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 25. Northwest wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 25 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 24. Northwest wind 7 to 9 mph.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 8. Northwest wind around 6 mph becoming light and variable.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow, mainly after noon. Cloudy, with a high near 23. Southeast wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 23 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Cloudy, with a low around 14. East southeast wind around 9 mph. Chance of precipitation is 40%.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of rain after 3am. Cloudy, with a low around 33. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%.
Tuesday
Rain and snow, becoming all snow after 1pm. Patchy blowing snow after 1pm. Temperature falling to around 27 by 5pm. Breezy, with a west northwest wind 5 to 15 mph increasing to 19 to 29 mph. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday Night
A chance of snow before midnight. Patchy blowing snow between 9pm and 5am. Cloudy, with a low around 19. Blustery, with a northwest wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 25. Northwest wind 13 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 12. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Thanksgiving Day
Mostly sunny, with a high near 24. Northwest wind 7 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 8. Northwest wind around 6 mph becoming light and variable.
Friday
A chance of snow, mainly after noon. Cloudy, with a high near 23. Southeast wind 6 to 10 mph. Chance of precipitation is 40%.
Friday Night
A chance of snow. Cloudy, with a low around 14. East southeast wind around 9 mph. Chance of precipitation is 40%.
Saturday
A slight chance of snow before noon. Mostly cloudy, with a high near 22. Chance of precipitation is 20%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 3. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Castlewood SD
 44.74°N 97.11°W (Elev. 1762 ft)
Last Update:
4:36 pm CST Nov 24, 2025
Forecast Valid:
5pm CST Nov 24, 2025-6pm CST Dec 1, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation