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

High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

-14°F

-26°C

Humidity 78%
Wind Speed W 6 mph
Barometer 30.35 in (1033.3 mb)
Dewpoint -19°F (-28°C)
Visibility 10.00 mi
Wind Chill-29°F (-34°C)
Last update 25 Jan 9:53 pm CST
Extended Forecast for

9 Miles S Ortley SD

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

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Tonight

    Low: -16 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 15. Wind chill values as low as -33. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 34 mph.

    High: 15 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. Wind chill values as low as -22. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 4. Wind chill values as low as -22. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 4 °F

    Cold

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -2. West wind 8 to 10 mph.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and cold, with a high near 7. North northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 7 °F

    Cold

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -5. Northwest wind 6 to 8 mph.

    Low: -5 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny and cold, with a high near 6. Northwest wind 6 to 10 mph becoming north northeast in the morning.

    High: 6 °F

    Cold

Detailed Forecast

Tonight
Mostly clear, with a low around -16. Wind chill values as low as -36. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 15. Wind chill values as low as -33. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around -4. Wind chill values as low as -22. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny and cold, with a high near 4. Wind chill values as low as -22. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around -2. West wind 8 to 10 mph.
Wednesday
Mostly sunny and cold, with a high near 7. North northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around -5. Northwest wind 6 to 8 mph.
Thursday
Partly sunny and cold, with a high near 6. Northwest wind 6 to 10 mph becoming north northeast in the morning.
Thursday Night
Partly cloudy, with a low around -10. Northeast wind 7 to 9 mph.
Friday
Mostly sunny and cold, with a high near 8.
Friday Night
Partly cloudy, with a low around -2.
Saturday
A slight chance of snow. Mostly sunny, with a high near 23. Chance of precipitation is 20%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Sunday
A slight chance of snow. Partly sunny, with a high near 28. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ortley SD
 45.21°N 97.24°W (Elev. 1900 ft)
Last Update:
9:36 pm CST Jan 25, 2026
Forecast Valid:
10pm CST Jan 25, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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