Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

33°F

1°C

Humidity 92%
Wind Speed W 10 mph
Barometer 30.03 in (1018.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 31 Dec 2:53 am CST
Extended Forecast for

6 Miles WSW Watertown SD

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 31. West wind 8 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of flurries between 7am and 10am.  Patchy fog between 9am and 10am.  Otherwise, mostly cloudy, with a temperature falling to around 10 by 5pm. West northwest wind 7 to 15 mph becoming north northeast in the morning. Winds could gust as high as 24 mph.

    High: 27 °F

    Chance
    Flurries and
    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 1. North wind 5 to 10 mph becoming light and variable.

    Low: 1 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 21. South wind 5 to 9 mph becoming west northwest in the afternoon.

    High: 21 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. North northwest wind around 5 mph.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 20. North northeast wind around 6 mph.

    High: 20 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9. East wind around 5 mph becoming light and variable.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 25. Southeast wind 5 to 8 mph.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 14. Southeast wind 7 to 10 mph.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 31. West wind 8 to 10 mph.
Wednesday
A chance of flurries between 7am and 10am. Patchy fog between 9am and 10am. Otherwise, mostly cloudy, with a temperature falling to around 10 by 5pm. West northwest wind 7 to 15 mph becoming north northeast in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 1. North wind 5 to 10 mph becoming light and variable.
New Year's Day
Mostly sunny, with a high near 21. South wind 5 to 9 mph becoming west northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 9. North northwest wind around 5 mph.
Friday
Partly sunny, with a high near 20. North northeast wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 9. East wind around 5 mph becoming light and variable.
Saturday
Partly sunny, with a high near 25. Southeast wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 14. Southeast wind 7 to 10 mph.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
3:07 am CST Dec 31, 2025
3am CST Dec 31, 2025-6pm CST Jan 6, 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