Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

-6°F

-21°C

Humidity 83%
Wind Speed SE 7 mph
Barometer 30.49 in (1037.6 mb)
Dewpoint -10°F (-23°C)
Visibility 10.00 mi
Wind Chill-20°F (-29°C)
Last update 31 Jan 4:53 am CST
Extended Forecast for

9 Miles S Ortley SD

  • Today

    Today: Snow likely, mainly after 4pm.  Patchy blowing snow after 3pm. Increasing clouds, with a high near 22. Wind chill values as low as -20. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 22 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow, mainly before 1am.  Patchy blowing snow before 9pm. Temperature rising to around 25 by 4am. Breezy, with a south wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 39 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Snow and
    Patchy
    Blowing Snow
    then Snow
    Likely

  • Sunday

    Sunday: A slight chance of snow before 7am.  Patchy blowing snow between 11am and 2pm. Mostly cloudy, with a high near 30. Northwest wind 13 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9. Northwest wind 5 to 10 mph becoming northeast after midnight.

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 19. East wind 6 to 8 mph.

    High: 19 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow, mainly before midnight.  Mostly cloudy, with a low around 6. East wind around 7 mph.  Chance of precipitation is 30%.

    Low: 6 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow.  Partly sunny, with a high near 18. Northeast wind around 7 mph.  Chance of precipitation is 20%.

    High: 18 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 6. North wind 5 to 7 mph becoming west in the evening.

    Low: 6 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 25. West wind 7 to 10 mph.

    High: 25 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly after 4pm. Patchy blowing snow after 3pm. Increasing clouds, with a high near 22. Wind chill values as low as -20. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 1am. Patchy blowing snow before 9pm. Temperature rising to around 25 by 4am. Breezy, with a south wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday
A slight chance of snow before 7am. Patchy blowing snow between 11am and 2pm. Mostly cloudy, with a high near 30. Northwest wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 9. Northwest wind 5 to 10 mph becoming northeast after midnight.
Monday
Mostly cloudy, with a high near 19. East wind 6 to 8 mph.
Monday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 6. East wind around 7 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of snow. Partly sunny, with a high near 18. Northeast wind around 7 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 6. North wind 5 to 7 mph becoming west in the evening.
Wednesday
Partly sunny, with a high near 25. West wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Patchy blowing snow. Partly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ortley SD
 45.21°N 97.24°W (Elev. 1900 ft)
5:36 am CST Jan 31, 2026
5am CST Jan 31, 2026-6pm CST Feb 6, 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