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

Culpeper Regional Airport (KCJR)

Lat: 38.53°NLon: 77.86°WElev: 295ft.

Fair

44°F

7°C

Humidity 21%
Wind Speed W 8 mph
Barometer 29.98 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 19 Jan 3:35 pm EST
Extended Forecast for

Sumerduck VA

  • Tonight

    Tonight: Mostly clear, with a low around 14. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 33. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 33 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 26 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow after 1am.  Mostly cloudy, with a low around 13. Chance of precipitation is 30%.

    Low: 13 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 14. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 33. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 12. Calm wind.
Wednesday
Sunny, with a high near 42. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 41.
Friday Night
A chance of snow after 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 50%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 50%.
Sunday
A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 5. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumerduck VA
 38.47°N 77.73°W (Elev. 351 ft)
12:53 pm EST Jan 19, 2026
3pm EST Jan 19, 2026-6pm EST 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