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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

60°F

16°C

Humidity 62%
Wind Speed S 7 mph
Barometer 30.25 in (1024.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 10:52 pm EDT
Extended Forecast for

5 Miles NW Catharpin VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. South wind around 14 mph, with gusts as high as 24 mph.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly between 1pm and 2pm. Mostly cloudy, with a high near 82. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Southwest wind 3 to 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 88. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Southwest wind 3 to 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. South wind around 14 mph, with gusts as high as 24 mph.
Monday
A chance of showers, mainly between 1pm and 2pm. Mostly cloudy, with a high near 82. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 61. Southwest wind 3 to 6 mph.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 88. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 64. Southwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 91.
Thursday Night
Mostly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Catharpin VA
 38.9°N 77.62°W (Elev. 348 ft)
Last Update:
10:53 pm EDT Apr 12, 2026
Forecast Valid:
11pm EDT Apr 12, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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