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

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

70°F

21°C

Humidity 88%
Wind Speed S 5 mph
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 15 Apr 9:52 am EDT
Extended Forecast for

4 Miles E Adamstown MD

  • Today

    Today: Sunny, with a high near 88. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southwest wind 6 to 8 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 89. Southwest wind 5 to 11 mph.

    High: 89 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 66. West wind around 8 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 79. Northwest wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 88. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 67. Southwest wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 89. Southwest wind 5 to 11 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 66. West wind around 8 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 79. Northwest wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 65. 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 54.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Adamstown MD
 39.28°N 77.39°W (Elev. 748 ft)
Last Update:
7:53 am EDT Apr 15, 2026
Forecast Valid:
10am 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