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

Two Storms Tracking through the Southwest and Southcentral U.S.

A storm over the southwest U.S. will shift east through Thursday while another Pacific storm pivots over the region Friday through the weekend. Widespread low elevation rain and high elevation snow showers are expected with each storm. Both storms will shift over the central U.S. with the first occurring tonight through Thursday and the second Saturday night into Monday. Flood Watches issued. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

44°F

7°C

Humidity 83%
Wind Speed N 10 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 19 Nov 11:52 am EST
Extended Forecast for

Great Falls VA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 48. North wind around 7 mph.

    High: 48 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Light north wind.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 51. Light and variable wind.

    High: 51 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 56. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 48. North wind around 7 mph.
Tonight
Mostly cloudy, with a low around 38. Light north wind.
Thursday
Mostly cloudy, with a high near 51. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 42. Calm wind.
Friday
A chance of rain. Cloudy, with a high near 56. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Friday Night
Rain. Low around 49. Chance of precipitation is 80%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly cloudy, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls VA
 39.01°N 77.29°W (Elev. 348 ft)
Last Update:
11:38 am EST Nov 19, 2025
Forecast Valid:
12pm EST Nov 19, 2025-6pm EST Nov 25, 2025
 
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