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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

72°F

22°C

Humidity 40%
Wind Speed N 15 G 23 mph
Barometer 30.08 in (1019.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 25 Sep 1:56 pm EDT
Extended Forecast for

Loch Lomond VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. North wind around 18 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. North wind around 11 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of rain after 2pm. Increasing clouds, with a high near 70. Breezy, with a north wind 13 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    High: 70 °F

    Breezy.
    Mostly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain. Cloudy, with a low around 57. North wind 9 to 13 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Cloudy, with a high near 66. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 40%.

    High: 66 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: A chance of rain before 2am. Cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance Rain

  • Monday

    Monday: A slight chance of rain between 8am and 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. North wind around 18 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 55. North wind around 11 mph.
Saturday
A chance of rain after 2pm. Increasing clouds, with a high near 70. Breezy, with a north wind 13 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Cloudy, with a low around 57. North wind 9 to 13 mph. Chance of precipitation is 50%.
Sunday
A chance of rain. Cloudy, with a high near 66. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 40%.
Sunday Night
A chance of rain before 2am. Cloudy, with a low around 60. Chance of precipitation is 30%.
Monday
A slight chance of rain between 8am and 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Loch Lomond VA
 38.8°N 77.47°W (Elev. 148 ft)
Last Update:
2:23 pm EDT Sep 25, 2026
Forecast Valid:
2pm EDT Sep 25, 2026-6pm EDT Oct 1, 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