Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

-1°F

-18°C

Humidity 79%
Wind Speed N 6 mph
Barometer 30.24 in (1029.2 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 25 Jan 8:53 am CST
Extended Forecast for

Watertown SD

Cold Weather Advisory January 25, 06:00pm until January 26, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Today

    Today: A slight chance of snow before noon, then a chance of flurries between noon and 3pm.  Cloudy, then gradually becoming mostly sunny and cold, with a high near -1. Wind chill values as low as -24. North wind 5 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: -1 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -15. Wind chill values as low as -32. Northwest wind 6 to 10 mph becoming southwest after midnight.

    Low: -15 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 16. Wind chill values as low as -31. South southwest wind 11 to 18 mph becoming west in the afternoon. Winds could gust as high as 31 mph.

    High: 16 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -2. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: -2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and cold, with a high near 7. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 7 °F

    Cold

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -3. West wind around 8 mph.

    Low: -3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 11. North northwest wind 7 to 10 mph.

    High: 11 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -7. North northwest wind around 7 mph becoming east after midnight.

    Low: -7 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny and cold, with a high near 10. East southeast wind 6 to 10 mph becoming northeast in the afternoon.

    High: 10 °F

    Cold

Detailed Forecast

Today
A slight chance of snow before noon, then a chance of flurries between noon and 3pm. Cloudy, then gradually becoming mostly sunny and cold, with a high near -1. Wind chill values as low as -24. North wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around -15. Wind chill values as low as -32. Northwest wind 6 to 10 mph becoming southwest after midnight.
Monday
Mostly sunny, with a high near 16. Wind chill values as low as -31. South southwest wind 11 to 18 mph becoming west in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Partly cloudy, with a low around -2. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny and cold, with a high near 7. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around -3. West wind around 8 mph.
Wednesday
Mostly sunny, with a high near 11. North northwest wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around -7. North northwest wind around 7 mph becoming east after midnight.
Thursday
Partly sunny and cold, with a high near 10. East southeast wind 6 to 10 mph becoming northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around -8.
Friday
A slight chance of snow. Mostly sunny and cold, with a high near 9. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around -6.
Saturday
A slight chance of snow. Mostly sunny, with a high near 17. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
9:37 am CST Jan 25, 2026
9am CST Jan 25, 2026-6pm CST Jan 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database