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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

88°F

31°C

Humidity 38%
Wind Speed SW 15 G 20 mph
Barometer 29.93 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Apr 2:47 pm EDT
Extended Forecast for

Walkersville MD

  • Tonight

    Tonight: Increasing clouds, with a low around 66. Southwest wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Increasing
    Clouds

  • Thursday

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

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 64. Light west wind. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 80. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

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

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 66. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64. Light west wind. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 80. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 57. Calm wind.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walkersville MD
 39.5°N 77.35°W (Elev. 312 ft)
Last Update:
2:23 pm EDT Apr 15, 2026
Forecast Valid:
3pm EDT Apr 15, 2026-6pm EDT Apr 22, 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