Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Mostly Cloudy

68°F

20°C

Humidity 99%
Wind Speed SE 3 mph
Barometer 29.92 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 14 Apr 9:35 pm EDT
Extended Forecast for

4 Miles NNE White Hall MD

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 64. West wind 3 to 6 mph.  Chance of precipitation is 40%.

    Low: 64 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. West wind 3 to 6 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 85. Southwest wind 5 to 9 mph.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers.  Mostly cloudy, with a low around 65. South wind around 5 mph becoming west after midnight.  Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 64. West wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 86. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 67. West wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 85. Southwest wind 5 to 9 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 65. South wind around 5 mph becoming west after midnight. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE White Hall MD
 39.71°N 76.54°W (Elev. 748 ft)
7:53 pm EDT Apr 14, 2026
9pm EDT Apr 14, 2026-6pm EDT Apr 21, 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