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

Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

79°F

26°C

Humidity 56%
Wind Speed S 7 mph
Barometer 30.12 in (1019.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 May 11:52 pm EDT
Extended Forecast for

3 Miles S Arcola VA

  • Overnight

    Overnight: Mostly clear, with a low around 70. South wind around 7 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Southwest wind 5 to 9 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 95. Southwest wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 57. North wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 70. South wind around 7 mph.
Tuesday
Sunny, with a high near 96. Southwest wind 5 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind around 9 mph, with gusts as high as 20 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 95. Southwest wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 57. North wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Thursday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Friday Night
Showers. Low around 53. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Arcola VA
 38.92°N 77.54°W (Elev. 338 ft)
Last Update:
10:53 pm EDT May 18, 2026
Forecast Valid:
12am EDT May 19, 2026-6pm EDT May 25, 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