Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

0°F

-18°C

Humidity 69%
Wind Speed W 7 mph
Barometer 30.17 in (1026.7 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 19 Jan 6:53 pm CST
Extended Forecast for

Wallace SD

  • Tonight

    Tonight: Mostly clear, with a steady temperature around -3. West northwest wind 5 to 7 mph.

    Low: -3 °F

    Mostly Clear

  • Tuesday

    Tuesday: Snow, mainly after noon.  High near 16. West southwest wind 6 to 9 mph becoming south southeast in the afternoon.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 16 °F

    Partly Sunny
    then Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 9pm.  Mostly cloudy, with a low around 8. South southwest wind 6 to 11 mph becoming west northwest in the evening. Winds could gust as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 8 °F

    Snow Likely
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly before noon.  Patchy blowing snow after noon. Partly sunny, with a high near 22. Blustery, with a west southwest wind 13 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 22 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 0. West wind 10 to 17 mph, with gusts as high as 29 mph.

    Low: 0 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny and cold, with a high near 6. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 6 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -24. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: -24 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near -13. North northwest wind 6 to 8 mph.

    High: -13 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -22. West northwest wind around 7 mph becoming south after midnight.

    Low: -22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around -3. West northwest wind 5 to 7 mph.
Tuesday
Snow, mainly after noon. High near 16. West southwest wind 6 to 9 mph becoming south southeast in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 8. South southwest wind 6 to 11 mph becoming west northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly before noon. Patchy blowing snow after noon. Partly sunny, with a high near 22. Blustery, with a west southwest wind 13 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Wednesday Night
Mostly cloudy, with a low around 0. West wind 10 to 17 mph, with gusts as high as 29 mph.
Thursday
Partly sunny and cold, with a high near 6. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around -24. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny and cold, with a high near -13. North northwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around -22. West northwest wind around 7 mph becoming south after midnight.
Saturday
Mostly sunny and cold, with a high near 0.
Saturday Night
Partly cloudy, with a low around -11.
Sunday
Mostly sunny, with a high near 13.
Sunday Night
Partly cloudy, with a low around -4.
Monday
Mostly sunny, with a high near 15.
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ABOUT THIS FORECAST

 
Point Forecast:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
6:36 pm CST Jan 19, 2026
7pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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