Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Overcast

82°F

28°C

Humidity 72%
Wind Speed S 14 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 27 Aug 11:52 am EDT
Extended Forecast for

West Mclean VA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms after 2pm. Some of the storms could be severe.  Partly sunny, with a high near 89. South wind around 9 mph.  Chance of precipitation is 50%.

    High: 89 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am. Some of the storms could be severe.  Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 70 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69. Light north wind.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. North wind 3 to 5 mph.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Partly sunny, with a high near 89. South wind around 9 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms before 2am. Some of the storms could be severe. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 69. Light north wind.
Saturday
Mostly sunny, with a high near 88. North wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
West Mclean VA
 38.95°N 77.16°W (Elev. 249 ft)
10:53 am EDT Aug 27, 2026
12pm EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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