Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

62°F

17°C

Humidity 89%
Wind Speed Calm
Barometer 29.98 in (1015.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 May 1:55 am EDT
Extended Forecast for

Accokeek MD

  • Overnight

    Overnight: Partly cloudy, with a low around 64. Southwest wind 3 to 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 65. Light south wind.  Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. South wind around 8 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 95. Chance of precipitation is 40%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. Southwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 65. Light south wind. Chance of precipitation is 20%.
Monday
Sunny, with a high near 93. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 70. South wind around 8 mph.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Thursday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.66°N 77.01°W (Elev. 167 ft)
10:54 pm EDT May 16, 2026
2am EDT May 17, 2026-6pm EDT May 23, 2026
 
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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