Excessive Heat in the Interior West; Monsoon Conditions in the Southwest

Dangerous heat is expected to be in place across portions of California, especially the Central Valley, and across the Interior Northwest into Friday. Heat Advisories will also be in place across the southern Plains into the Lower Mississippi River Valley. Monsoonal showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region and Southwest through Friday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

67°F

19°C

Humidity 87%
Wind Speed N 5 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Aug 3:52 am EDT
Extended Forecast for

2 Miles WSW Great Falls VA

  • Overnight

    Overnight: Scattered showers, mainly before 5am.  Mostly cloudy, with a low around 62. Light north wind.  Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 62 °F

  • Tuesday

    Tuesday: Isolated showers before 11am.  Partly sunny, with a high near 80. Northeast wind 3 to 8 mph.  Chance of precipitation is 20%.

    Isolated
    Showers then
    Partly Sunny

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 61. East wind around 5 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 61 °F

  • Wednesday

    Wednesday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 80. Northeast wind 3 to 6 mph.  Chance of precipitation is 20%.

    Sunny then
    Slight Chance
    T-storms

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 61. Calm wind.

    Mostly Clear

    Low: 61 °F

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm.  Sunny, with a high near 83. Chance of precipitation is 20%.

    Sunny then
    Slight Chance
    T-storms

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 64.

    Partly Cloudy

    Low: 64 °F

  • Friday

    Friday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

  • Friday
    Night

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

    Mostly Cloudy

    Low: 66 °F

Detailed Forecast

Overnight
Scattered showers, mainly before 5am. Mostly cloudy, with a low around 62. Light north wind. Chance of precipitation is 30%.
Tuesday
Isolated showers before 11am. Partly sunny, with a high near 80. Northeast wind 3 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 61. East wind around 5 mph becoming calm after midnight.
Wednesday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 80. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 61. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 83. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
A chance of showers after 8am. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
2 Miles WSW Great Falls VA
 39.01°N 77.32°W (Elev. 348 ft)
2:36 am EDT Aug 16, 2022
4am EDT Aug 16, 2022-6pm EDT Aug 22, 2022
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database