Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Light Rain Fog/Mist

64°F

18°C

Humidity 93%
Wind Speed N 3 mph
Barometer 30.02 in (1016.8 mb)
Dewpoint 62°F (17°C)
Visibility 4.00 mi
Last update 11 Oct 10:55 am EDT
Extended Forecast for

Occoquan VA

  • Today

    Today: Showers, with thunderstorms also possible after 5pm.  High near 71. East wind 10 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 62. Light and variable wind becoming northwest 5 to 7 mph after midnight.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers

  • Columbus Day

    Columbus Day: Showers, mainly before 8am.  High near 73. Northwest wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 60. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 5pm. High near 71. East wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 62. Light and variable wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Columbus Day
Showers, mainly before 8am. High near 73. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 82.
Wednesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 70.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 61. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Occoquan VA
 38.69°N 77.26°W (Elev. 59 ft)
10:53 am EDT Oct 11, 2026
11am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
 
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Additional Resources

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