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

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

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Fair

76°F

24°C

Humidity 67%
Wind Speed W 10 G 28 mph
Barometer 30.01 in (1015.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Apr 11:54 am EDT
Extended Forecast for

Boonsboro MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southwest wind 3 to 6 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 89. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 89 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. West wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 80. Northwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 65. Southwest wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 89. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. West wind 7 to 9 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 80. Northwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 2am. Partly cloudy, with a low around 39. Chance of precipitation is 30%.
Monday
Sunny, with a high near 55. Breezy.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boonsboro MD
 39.51°N 77.67°W (Elev. 476 ft)
Last Update:
10:53 am EDT Apr 15, 2026
Forecast Valid:
12pm EDT Apr 15, 2026-6pm EDT Apr 21, 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