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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Overcast

76°F

24°C

Humidity 91%
Wind Speed S 7 mph
Barometer 29.74 in (1007.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 3 Aug 4:52 am EDT
Extended Forecast for

Lake Barcroft VA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Cloudy, with a low around 73. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly between 1pm and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Southwest wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. Northeast wind 3 to 5 mph.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 86. Northeast wind around 7 mph.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Cloudy, with a low around 73. South wind around 7 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, mainly between 1pm and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Southwest wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 69. Northeast wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 86. Northeast wind around 7 mph.
Tuesday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Barcroft VA
 38.86°N 77.15°W (Elev. 253 ft)
Last Update:
4:53 am EDT Aug 3, 2026
Forecast Valid:
5am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
Forecast Discussion
 
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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