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

Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

47°F

8°C

Humidity 31%
Wind Speed NW 8 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 17 Nov 4:52 pm EST
Extended Forecast for

Catharpin VA

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Rain likely after 1pm. Increasing clouds, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Partly Sunny
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain, mainly before 1am. Low around 39. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. Calm wind becoming north around 6 mph in the morning.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Light northeast wind.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Rain likely after 1pm. Increasing clouds, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain, mainly before 1am. Low around 39. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 54. Calm wind becoming north around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 40. Light northeast wind.
Thursday
Partly sunny, with a high near 57.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.86°N 77.58°W (Elev. 295 ft)
Last Update:
3:53 pm EST Nov 17, 2025
Forecast Valid:
5pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation