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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

15°F

-9°C

Humidity 91%
Wind Speed W 5 mph
Barometer 29.86 in (1014.8 mb)
Dewpoint 13°F (-11°C)
Visibility 0.75 mi
Wind Chill7°F (-14°C)
Last update 1 Jan 1:51 pm CST
Extended Forecast for

Wallace SD

  • New Year's Day

    New Year's Day: A chance of flurries. Patchy fog. Otherwise, partly sunny, with a high near 18. West wind around 6 mph.

    High: 18 °F

    Chance
    Flurries and
    Patchy Fog

  • Tonight

    Tonight: Mostly cloudy, with a low around 7. Northwest wind around 6 mph becoming calm in the evening.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 18. Calm wind becoming east southeast around 6 mph in the morning.

    High: 18 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13. East wind around 6 mph becoming southwest after midnight.

    Low: 13 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24. Southwest wind around 7 mph becoming north in the afternoon.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 12. North northeast wind 6 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 12 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 34. Southeast wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 26 mph.

    High: 34 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. West northwest wind 6 to 8 mph becoming south southwest after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39. South southeast wind 6 to 8 mph.

    High: 39 °F

    Partly Sunny

Detailed Forecast

New Year's Day
A chance of flurries. Patchy fog. Otherwise, partly sunny, with a high near 18. West wind around 6 mph.
Tonight
Mostly cloudy, with a low around 7. Northwest wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 18. Calm wind becoming east southeast around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 13. East wind around 6 mph becoming southwest after midnight.
Saturday
Partly sunny, with a high near 24. Southwest wind around 7 mph becoming north in the afternoon.
Saturday Night
Mostly cloudy, with a low around 12. North northeast wind 6 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly cloudy, with a high near 34. Southeast wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly cloudy, with a low around 21. West northwest wind 6 to 8 mph becoming south southwest after midnight.
Monday
Partly sunny, with a high near 39. South southeast wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
Last Update:
2:37 pm CST Jan 1, 2026
Forecast Valid:
2pm CST Jan 1, 2026-6pm CST Jan 7, 2026
 
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