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 >

Hazardous Weather Conditions

Current conditions at

Wheaton Municipal Airport (KETH)

Lat: 45.78°NLon: 96.55°WElev: 1011ft.

Partly Cloudy

0°F

-18°C

Humidity 78%
Wind Speed S 6 mph
Barometer 30.18 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 20 Jan 7:33 am CST
Extended Forecast for

White Rock SD

  • Today

    Today: A chance of snow after 2pm.  Mostly cloudy, with a high near 14. South wind 3 to 6 mph.  Chance of precipitation is 30%.

    High: 14 °F

    Partly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: A chance of snow, mainly before 9pm.  Mostly cloudy, with a low around 7. South wind 5 to 9 mph becoming west northwest after midnight.  Chance of precipitation is 30%.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of snow.  Patchy blowing snow after 11am. Mostly cloudy, with a high near 22. Windy, with a west southwest wind 10 to 20 mph becoming northwest 20 to 30 mph in the afternoon.  Chance of precipitation is 40%.

    High: 22 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Patchy blowing snow between 9pm and 10pm. Mostly cloudy, with a low around -2. Blustery, with a west northwest wind 11 to 21 mph, with gusts as high as 32 mph.

    Low: -2 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Patchy blowing snow between 1pm and 3pm. Partly sunny and cold, with a high near 4. Blustery, with a northwest wind 13 to 20 mph.

    High: 4 °F

    Mostly Sunny
    then Patchy
    Blowing Snow
    and Blustery

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -25. North northwest wind 8 to 14 mph.

    Low: -25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near -12. Northwest wind 5 to 9 mph becoming light  in the afternoon.

    High: -12 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -24. Light and variable wind becoming south southeast around 6 mph after midnight.

    Low: -24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near -4. South southeast wind 6 to 8 mph.

    High: -4 °F

    Cold

Detailed Forecast

Today
A chance of snow after 2pm. Mostly cloudy, with a high near 14. South wind 3 to 6 mph. Chance of precipitation is 30%.
Tonight
A chance of snow, mainly before 9pm. Mostly cloudy, with a low around 7. South wind 5 to 9 mph becoming west northwest after midnight. Chance of precipitation is 30%.
Wednesday
A chance of snow. Patchy blowing snow after 11am. Mostly cloudy, with a high near 22. Windy, with a west southwest wind 10 to 20 mph becoming northwest 20 to 30 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Patchy blowing snow between 9pm and 10pm. Mostly cloudy, with a low around -2. Blustery, with a west northwest wind 11 to 21 mph, with gusts as high as 32 mph.
Thursday
Patchy blowing snow between 1pm and 3pm. Partly sunny and cold, with a high near 4. Blustery, with a northwest wind 13 to 20 mph.
Thursday Night
Partly cloudy, with a low around -25. North northwest wind 8 to 14 mph.
Friday
Sunny and cold, with a high near -12. Northwest wind 5 to 9 mph becoming light in the afternoon.
Friday Night
Partly cloudy, with a low around -24. Light and variable wind becoming south southeast around 6 mph after midnight.
Saturday
Mostly sunny and cold, with a high near -4. South southeast wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around -17.
Sunday
Partly sunny and cold, with a high near 4.
Sunday Night
Partly cloudy, with a low around -9.
Monday
Mostly sunny, with a high near 13.
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ABOUT THIS FORECAST

 
Point Forecast:
White Rock SD
 45.92°N 96.56°W (Elev. 1004 ft)
7:37 am CST Jan 20, 2026
7am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database