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

Watertown (KRYV)

Lat: 43.17°NLon: 88.72°WElev: 814ft.

Fair

-5°F

-21°C

Humidity 74%
Wind Speed Calm
Barometer 30.26 in
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Last update 19 Jan 11:35 pm CST
Extended Forecast for

4 Miles ENE Deerfield WI

  • Tonight

    Tonight: Mostly clear, with a low around -5. Wind chill values between -10 and -15. West wind 5 to 10 mph.

    Low: -5 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 14. Wind chill values between -5 and -15. West wind 5 to 10 mph.

    High: 14 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly after 8pm.  Low around 10. South wind around 5 mph becoming west after midnight.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 10 °F

    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow.  Mostly cloudy, with a high near 24. West wind 5 to 15 mph.

    High: 24 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before midnight.  Mostly cloudy, with a low around 5. West wind around 10 mph.

    Low: 5 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 15. West wind 10 to 15 mph.

    High: 15 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -13. Northwest wind around 10 mph.

    Low: -13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -5. Northwest wind 5 to 10 mph.

    High: -5 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -18.

    Low: -18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -5. Wind chill values between -10 and -15. West wind 5 to 10 mph.
Tuesday
Increasing clouds, with a high near 14. Wind chill values between -5 and -15. West wind 5 to 10 mph.
Tuesday Night
Snow, mainly after 8pm. Low around 10. South wind around 5 mph becoming west after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 24. West wind 5 to 15 mph.
Wednesday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 5. West wind around 10 mph.
Thursday
Mostly sunny, with a high near 15. West wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around -13. Northwest wind around 10 mph.
Friday
Mostly sunny and cold, with a high near -5. Northwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around -18.
Saturday
Mostly sunny and cold, with a high near -2.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -14.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 8.
Sunday Night
Partly cloudy, with a low around -3.
Monday
Mostly sunny, with a high near 15.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Deerfield WI
 43.08°N 89.01°W (Elev. 860 ft)
11:32 pm CST Jan 19, 2026
11pm CST Jan 19, 2026-6pm CST Jan 26, 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