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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast with Haze

13°F

-11°C

Humidity 81%
Wind Speed Vrbl 6 mph
Barometer 29.97 in (1018.1 mb)
Dewpoint 8°F (-13°C)
Visibility 6.00 mi
Wind Chill4°F (-16°C)
Last update 2 Jan 11:53 am CST
Extended Forecast for

Wallace SD

  • This Afternoon

    This Afternoon: A chance of flurries before 2pm. Mostly cloudy, with a high near 18. East wind 6 to 8 mph.

    High: 18 °F

    Chance
    Flurries

  • Tonight

    Tonight: Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 13. East wind around 6 mph becoming light and variable after midnight.

    Low: 13 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Partly sunny, with a high near 23. Light and variable wind becoming northwest 5 to 7 mph in the morning.

    High: 23 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 12. North wind 6 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

    Low: 12 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 36. Southeast wind 9 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 36 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. South southwest wind 6 to 8 mph becoming west in the evening.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39. Southwest wind around 7 mph.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 24. South wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. West wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries before 2pm. Mostly cloudy, with a high near 18. East wind 6 to 8 mph.
Tonight
Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 13. East wind around 6 mph becoming light and variable after midnight.
Saturday
Partly sunny, with a high near 23. Light and variable wind becoming northwest 5 to 7 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 12. North wind 6 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph.
Sunday
Mostly cloudy, with a high near 36. Southeast wind 9 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 23. South southwest wind 6 to 8 mph becoming west in the evening.
Monday
Partly sunny, with a high near 39. Southwest wind around 7 mph.
Monday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 24. South wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 36. West wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 36.
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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:
11:32 am CST Jan 2, 2026
Forecast Valid:
12pm CST Jan 2, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation