National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Fair

30°F

-1°C

Humidity 30%
Wind Speed N 12 mph
Barometer 30.45 in (1030.9 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 20 Jan 5:52 pm EST
Extended Forecast for

Idylwood VA

  • Tonight

    Tonight: Clear, with a low around 16. Northwest wind around 6 mph becoming calm in the evening.

    Low: 16 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. South wind 5 to 15 mph, with gusts as high as 28 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Northwest wind 3 to 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Mostly cloudy, with a high near 18. Chance of precipitation is 40%.

    High: 18 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 14. Chance of precipitation is 80%.

    Low: 14 °F

    Snow

Detailed Forecast

Tonight
Clear, with a low around 16. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 40. South wind 5 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 33. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 49. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 27. Northwest wind 3 to 6 mph.
Friday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 18. Chance of precipitation is 40%.
Saturday Night
Snow. Low around 14. Chance of precipitation is 80%.
Sunday
Snow, mainly before 1pm. High near 20. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 11. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Idylwood VA
 38.88°N 77.2°W (Elev. 397 ft)
Last Update:
3:53 pm EST Jan 20, 2026
Forecast Valid:
6pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation