Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fog/Mist

72°F

22°C

Humidity 97%
Wind Speed E 3 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 71°F (22°C)
Visibility 4.00 mi
Last update 28 Jun 1:52 am EDT
Extended Forecast for

Reston VA

  • Overnight

    Overnight: A chance of showers.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers and thunderstorms likely before noon, then a chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 81. Northeast wind 3 to 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. Light east wind.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 7am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. South wind 3 to 5 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms likely before noon, then a chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 67. Light east wind.
Monday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67. South wind 3 to 5 mph.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 102.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny and hot, with a high near 103.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 20%.
Independence Day
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.97°N 77.36°W (Elev. 430 ft)
2:22 am EDT Jun 28, 2026
2am EDT Jun 28, 2026-6pm EDT Jul 4, 2026
 
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