


Hazardous Weather Conditions
Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Thunderstorm
29°C
85°F
Humidity | 75% |
Wind Speed | SE 26 G 35 km/h |
Barometer | 1016.1 mb (30.02 in) |
Dewpoint | 24°C (76°F) |
Visibility | 16 km |
Heat Index | 35°C (95°F) |
Last update | 13 Jul 3:52 pm EDT |
Extended Forecast for
2 Miles WSW Great Falls VA
Flood Watch until July 14, 02:00am
NOW until 2:00am Mon
Flood Watch
This Afternoon
High: 31 °C
Showers
LikelyTonight
Low: 22 °C
Scattered
T-stormsMonday
High: 31 °C
Slight Chance
T-storms then
T-storms
LikelyMonday Night
Low: 22 °C
Heavy Rain
Tuesday
High: 31 °C
Chance
Showers then
Showers
LikelyTuesday Night
Low: 23 °C
Showers
Likely then
Slight Chance
ShowersWednesday
High: 32 °C
Partly Sunny
then Showers
LikelyWednesday Night
Low: 23 °C
Showers
Likely then
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 31. Southeast wind around 10 km/h. Chance of precipitation is 70%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 22. South wind 5 to 10 km/h becoming calm after midnight. Chance of precipitation is 40%.
Monday
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 31. South wind 3 to 8 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 22. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 3 and 4 cm possible.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 31. Calm wind. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 33. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 31.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WSW Great Falls VA
39.01°N 77.32°W (Elev. 348 m)
39.01°N 77.32°W (Elev. 348 m)
1:30 pm EDT Jul 13, 2025
4pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025