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

-3°F

-19°C

Humidity 79%
Wind Speed SE 6 mph
Barometer 30.19 in (1027.2 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 25 Jan 3:53 am CST
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

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

    Overnight: A chance of flurries after 4am.  Cloudy, with a steady temperature around -2. South southeast wind around 7 mph.

    Low: -2 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries with a slight chance of snow before 7am, then a slight chance of snow between 7am and 9am.  Mostly cloudy and cold, with a temperature falling to around -8 by 5pm. Wind chill values as low as -25. North wind 5 to 11 mph.  Chance of precipitation is 20%.

    High: -3 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -17. Wind chill values as low as -32. Northwest wind 6 to 9 mph becoming southwest after midnight.

    Low: -17 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 15. Wind chill values as low as -31. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 32 mph.

    High: 15 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -3. Northwest wind around 14 mph, with gusts as high as 26 mph.

    Low: -3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and cold, with a high near 7. Northwest wind 8 to 11 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 7 mph.

    Low: -3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and cold, with a high near 9. North northwest wind 6 to 10 mph.

    High: 9 °F

    Cold

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -6. North northwest wind around 6 mph becoming east northeast after midnight.

    Low: -6 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries after 4am. Cloudy, with a steady temperature around -2. South southeast wind around 7 mph.
Sunday
A chance of flurries with a slight chance of snow before 7am, then a slight chance of snow between 7am and 9am. Mostly cloudy and cold, with a temperature falling to around -8 by 5pm. Wind chill values as low as -25. North wind 5 to 11 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around -17. Wind chill values as low as -32. Northwest wind 6 to 9 mph becoming southwest after midnight.
Monday
Mostly sunny, with a high near 15. Wind chill values as low as -31. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around -3. Northwest wind around 14 mph, with gusts as high as 26 mph.
Tuesday
Sunny and cold, with a high near 7. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around -3. West wind around 7 mph.
Wednesday
Mostly sunny and cold, with a high near 9. North northwest wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around -6. North northwest wind around 6 mph becoming east northeast after midnight.
Thursday
Partly sunny and cold, with a high near 10.
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 -5.
Saturday
A slight chance of snow. Mostly sunny, with a high near 17. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
3:46 am CST Jan 25, 2026
3am CST Jan 25, 2026-6pm CST Jan 31, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database