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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Light Rain

72°F

22°C

Humidity 84%
Wind Speed NE 5 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 May 11:52 pm EDT
Extended Forecast for

Washington DC, Reagan National Airport VA

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. North wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a high near 67. Northeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Cloudy, with a low around 54. Northeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 62. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 51. East wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Saturday Night

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

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. North wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a high near 67. Northeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Cloudy, with a low around 54. Northeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers, with thunderstorms also possible after 5pm. High near 62. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 51. East wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 65. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 53. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Memorial Day
A chance of showers after 8am. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington DC, Reagan National Airport VA
 38.87°N 77.06°W (Elev. 26 ft)
Last Update:
10:53 pm EDT May 20, 2026
Forecast Valid:
12am EDT May 21, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation