Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles ESE Castlewood SD

  • Today

    Today: Patchy blowing snow before 9am. Mostly sunny, with a high near 11. Wind chill values as low as -25. Blustery, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 11 °F

    Patchy
    Blowing Snow
    and Blustery
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 14 by 5am. West southwest wind 7 to 9 mph.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 14. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 14 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow before noon.  Mostly cloudy, with a high near 22. North northeast wind 8 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 22 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -1. North northeast wind 5 to 10 mph becoming light north northwest  after midnight.

    Low: -1 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 15. Light and variable wind becoming west southwest 5 to 8 mph in the morning.

    High: 15 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 6. West wind around 6 mph.

    Low: 6 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 20. North northwest wind 6 to 8 mph.

    High: 20 °F

    Partly Sunny

Detailed Forecast

Today
Patchy blowing snow before 9am. Mostly sunny, with a high near 11. Wind chill values as low as -25. Blustery, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Partly cloudy, with a temperature rising to around 14 by 5am. West southwest wind 7 to 9 mph.
Tuesday
Partly sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 14. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of snow before noon. Mostly cloudy, with a high near 22. North northeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around -1. North northeast wind 5 to 10 mph becoming light north northwest after midnight.
New Year's Day
Partly sunny, with a high near 15. Light and variable wind becoming west southwest 5 to 8 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 6. West wind around 6 mph.
Friday
Partly sunny, with a high near 20. North northwest wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
5:36 am CST Dec 29, 2025
5am CST Dec 29, 2025-6pm CST Jan 4, 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