Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. 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

5 Miles NNE Watertown Municipal Airport SD

  • Today

    Today: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 45. South wind 6 to 14 mph becoming east northeast in the afternoon.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A chance of snow after 3am.  Patchy fog between 10pm and 3am.  Otherwise, mostly cloudy, with a low around 8. Blustery, with an east wind 6 to 11 mph becoming north northwest 20 to 25 mph in the evening. Winds could gust as high as 41 mph.  Chance of precipitation is 40%.

    Low: 8 °F

    Patchy Fog
    then Chance
    Snow and
    Patchy Fog

  • Sunday

    Sunday: A chance of snow, mainly before 11am.  Patchy blowing snow before 10am. Mostly cloudy, with a temperature falling to around 5 by 5pm. Wind chill values as low as -18. Blustery, with a northwest wind 26 to 29 mph, with gusts as high as 47 mph.  Chance of precipitation is 50%.

    High: 17 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before midnight.  Mostly cloudy, with a low around -1. Wind chill values as low as -21. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 40 mph.  Chance of precipitation is 20%.

    Low: -1 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 9. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 9 °F

    Partly Sunny
    and Blustery
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. West southwest wind 8 to 10 mph.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9. West northwest wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow.  Mostly cloudy, with a high near 17. North wind 10 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 17 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 45. South wind 6 to 14 mph becoming east northeast in the afternoon.
Tonight
A chance of snow after 3am. Patchy fog between 10pm and 3am. Otherwise, mostly cloudy, with a low around 8. Blustery, with an east wind 6 to 11 mph becoming north northwest 20 to 25 mph in the evening. Winds could gust as high as 41 mph. Chance of precipitation is 40%.
Sunday
A chance of snow, mainly before 11am. Patchy blowing snow before 10am. Mostly cloudy, with a temperature falling to around 5 by 5pm. Wind chill values as low as -18. Blustery, with a northwest wind 26 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 50%.
Sunday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around -1. Wind chill values as low as -21. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday
Mostly sunny and cold, with a high near 9. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph.
Monday Night
Partly cloudy, with a low around 4. West southwest wind 8 to 10 mph.
Tuesday
Partly sunny, with a high near 32. West wind 10 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 9. West northwest wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 24 mph.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 17. North wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around -5. Chance of precipitation is 20%.
New Year's Day
Sunny and cold, with a high near 8.
Thursday Night
Partly cloudy, with a low around -3.
Friday
Mostly sunny, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
7:37 am CST Dec 27, 2025
7am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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