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

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

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

A Few Clouds

38°F

3°C

Humidity 27%
Wind Speed S 17 mph
Barometer 30.39 in (1028.9 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 21 Jan 12:52 pm EST
Extended Forecast for

Idylwood VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 39. South wind around 14 mph, with gusts as high as 26 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind around 11 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Southwest wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Northwest wind 3 to 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 41. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 41 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Cloudy, with a high near 19. Chance of precipitation is 30%.

    High: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 15. Chance of precipitation is 90%.

    Low: 15 °F

    Snow

  • Sunday

    Sunday: Snow. High near 21. Chance of precipitation is 90%.

    High: 21 °F

    Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 39. South wind around 14 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind around 11 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 50. Southwest wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 28. Northwest wind 3 to 6 mph.
Friday
Mostly cloudy, with a high near 41. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
A chance of snow after 1pm. Cloudy, with a high near 19. Chance of precipitation is 30%.
Saturday Night
Snow. Low around 15. Chance of precipitation is 90%.
Sunday
Snow. High near 21. Chance of precipitation is 90%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Idylwood VA
 38.88°N 77.2°W (Elev. 397 ft)
Last Update:
12:54 pm EST Jan 21, 2026
Forecast Valid:
1pm EST Jan 21, 2026-6pm EST Jan 27, 2026
 
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Additional Resources

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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