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

Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

76°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 30.09 in (1018.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 30 Aug 11:52 pm EDT
Extended Forecast for

Arlington VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 71. Light south wind.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 93. Light north wind.

    High: 93 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 76. Light and variable wind.

    Low: 76 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 101. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79. Light west wind. Chance of precipitation is 20%.

    Low: 79 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 20%.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 40%.

    High: 98 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 71. Light south wind.
Monday
Partly sunny, with a high near 93. Light north wind.
Monday Night
Mostly cloudy, with a low around 76. Light and variable wind.
Tuesday
A slight chance of showers after 2pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 101. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79. Light west wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. 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 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arlington VA
 38.89°N 77.08°W (Elev. 154 ft)
Last Update:
10:52 pm EDT Aug 30, 2026
Forecast Valid:
12am EDT Aug 31, 2026-6pm EDT Sep 6, 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