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 23%
Wind Speed SW 12 G 17 mph
Barometer 29.97 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 19 Jan 2:15 pm EST
Extended Forecast for

Sumerduck VA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 43. West wind 11 to 13 mph, with gusts as high as 24 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. West wind around 5 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.

    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

Detailed Forecast

M.L.King Day
Sunny, with a high near 43. West wind 11 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 14. West wind around 5 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.
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%.
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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
2pm EST Jan 19, 2026-6pm EST Jan 25, 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