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

Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

88°F

31°C

Humidity 35%
Wind Speed SW 18 mph
Barometer 29.92 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 14 Apr 4:45 pm EDT
Extended Forecast for

Linganore-Bartonsville MD

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 64 °F

    Scattered
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. Light southwest wind.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 88 °F

    Partly Sunny

  • Thursday Night

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

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 67. Light southwest wind.
Thursday
Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the morning.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Sunday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Linganore-Bartonsville MD
 39.41°N 77.31°W (Elev. 302 ft)
Last Update:
5:36 pm EDT Apr 14, 2026
Forecast Valid:
5pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation