Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

14°F

-10°C

Humidity 77%
Wind Speed W 13 mph
Barometer 29.75 in (1011.5 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 18 Jan 7:53 am CST
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

Winter Weather Advisory until January 18, 09:00pm
Wind Advisory January 18, 09:00am until January 18, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
  •  
    Winter Weather Advisory until January 18, 09:00pm

    NOW until 9:00pm Sun

    Winter Weather Advisory

  • Today

    High: 16 °F

    Chance Snow
    and Blowing
    Snow

  • Tonight

    Tonight: Patchy blowing snow before midnight. Mostly cloudy, with a low around -8. Wind chill values as low as -28. Blustery, with a northwest wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 43 mph.

    Low: -8 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 7. Wind chill values as low as -27. West wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 7 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -7. Wind chill values as low as -19. West northwest wind 6 to 10 mph.

    Low: -7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after noon.  Partly sunny, with a high near 17. South southwest wind 6 to 10 mph.  Chance of precipitation is 20%.

    High: 17 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before midnight.  Mostly cloudy, with a low around 9. West northwest wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 9 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow.  Partly sunny, with a high near 19. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 20%.

    High: 19 °F

    Slight Chance
    Snow and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 1. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of snow, mainly before noon. Widespread blowing snow, mainly between 11am and noon. Mostly cloudy, with a temperature rising to near 16 by 10am, then falling to around 4 during the remainder of the day. Wind chill values as low as -19. Windy, with a north northwest wind 20 to 25 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 40%.
Tonight
Patchy blowing snow before midnight. Mostly cloudy, with a low around -8. Wind chill values as low as -28. Blustery, with a northwest wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 43 mph.
M.L.King Day
Partly sunny and cold, with a high near 7. Wind chill values as low as -27. West wind 11 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around -7. Wind chill values as low as -19. West northwest wind 6 to 10 mph.
Tuesday
A slight chance of snow after noon. Partly sunny, with a high near 17. South southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 9. West northwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of snow. Partly sunny, with a high near 19. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 1. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Thursday
Partly sunny, with a high near 17. West wind 7 to 10 mph becoming north northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around -4.
Friday
Partly sunny and cold, with a high near 4.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around -16. Chance of precipitation is 20%.
Saturday
A chance of snow. Partly sunny and cold, with a high near -6. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
7:37 am CST Jan 18, 2026
8am CST Jan 18, 2026-6pm CST Jan 24, 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