Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

2°F

-17°C

Humidity 80%
Wind Speed Calm
Barometer 30.05 in (1021.5 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 1 Jan 12:53 am CST
Extended Forecast for

6 Miles WSW Watertown SD

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 3. Light and variable wind.

    Low: 3 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 19. Light and variable wind becoming south southeast around 6 mph in the morning.

    High: 19 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 8. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 19. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 19 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. East wind around 5 mph becoming light and variable.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 26. South southwest wind 5 to 7 mph becoming north in the afternoon.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 10. North northeast wind 6 to 10 mph becoming east southeast after midnight.

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 32. South southeast wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. East wind 6 to 9 mph becoming west in the evening.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 3. Light and variable wind.
New Year's Day
Partly sunny, with a high near 19. Light and variable wind becoming south southeast around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 8. North northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 19. Calm wind becoming east southeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 14. East wind around 5 mph becoming light and variable.
Saturday
Partly sunny, with a high near 26. South southwest wind 5 to 7 mph becoming north in the afternoon.
Saturday Night
Mostly cloudy, with a low around 10. North northeast wind 6 to 10 mph becoming east southeast after midnight.
Sunday
Partly sunny, with a high near 32. South southeast wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 18. East wind 6 to 9 mph becoming west in the evening.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
2:36 am CST Jan 1, 2026
2am CST Jan 1, 2026-6pm CST Jan 7, 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