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.

Heavy Rain Fog/Mist

71°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.06 in (1017.8 mb)
Dewpoint 69°F (21°C)
Visibility 2.00 mi
Last update 21 May 1:52 am EDT
Extended Forecast for

Lake Barcroft VA

  • Overnight

    Overnight: A chance of showers, mainly before 5am. Cloudy, with a steady temperature around 70. North wind around 5 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Cloudy, with a high near 65. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °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 around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Showers. High near 61. East wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: Showers. Low around 51. East wind 7 to 9 mph. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A chance of showers, mainly before 5am. Cloudy, with a steady temperature around 70. North wind around 5 mph. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Cloudy, with a high near 65. Northeast wind around 10 mph, with gusts as high as 20 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 around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers. High near 61. East wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers. Low around 51. East wind 7 to 9 mph. Chance of precipitation is 90%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 64. Chance of precipitation is 90%.
Saturday Night
Showers, mainly before 2am. Low around 54. Chance of precipitation is 80%.
Sunday
A chance of showers before 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Barcroft VA
 38.86°N 77.17°W (Elev. 249 ft)
Last Update:
2:22 am EDT May 21, 2026
Forecast Valid:
2am EDT May 21, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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