Heavy Rainfall Threat The Across The Eastern U.S.

A strong cold front will gradually push through the Eastern U.S. over the next couple of days and will bring heavy rain and severe weather, primarily damaging winds . Excessive rainfall may result in flash flooding in the central Great Lakes and central Appalachians. Flash flood watches are currently in effect from the coastal Carolinas to the Great Lakes. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Overcast

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 22 Sep 1:15 am EDT
Extended Forecast for

2 Miles ESE Boonsboro MD

Flash Flood Watch September 22, 08:00am until September 23, 08:00am
Click here for hazard details and duration
Flash Flood Watch
  • Overnight

    Overnight: Showers likely, mainly after 2am.  Patchy fog after 2am.  Otherwise, cloudy, with a low around 67. Southeast wind 9 to 15 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely and
    Patchy Fog

    Low: 67 °F

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rain.  Patchy fog. High near 73. Southeast wind 14 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain
    and Patchy
    Fog

    High: 73 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  Patchy fog. Low around 59. Breezy, with a southeast wind 18 to 23 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain
    and Patchy
    Fog

    Low: 59 °F

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then a chance of showers. Some of the storms could produce heavy rainfall.  High near 67. Southeast wind 6 to 11 mph becoming west 13 to 18 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 67 °F

  • Thursday
    Night

    Thursday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 50. West wind 6 to 9 mph.  Chance of precipitation is 30%.

    Chance
    Showers then
    Mostly Clear

    Low: 50 °F

  • Friday

    Friday: Sunny, with a high near 67.

    Sunny

    High: 67 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 49.

    Mostly Clear

    Low: 49 °F

  • Saturday

    Saturday: Sunny, with a high near 70.

    Sunny

    High: 70 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 53.

    Partly Cloudy

    Low: 53 °F

Detailed Forecast

Overnight
Showers likely, mainly after 2am. Patchy fog after 2am. Otherwise, cloudy, with a low around 67. Southeast wind 9 to 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rain. Patchy fog. High near 73. Southeast wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Patchy fog. Low around 59. Breezy, with a southeast wind 18 to 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. Some of the storms could produce heavy rainfall. High near 67. Southeast wind 6 to 11 mph becoming west 13 to 18 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 50. West wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
2 Miles ESE Boonsboro MD
 39.51°N 77.61°W (Elev. 1230 ft)
1:32 am EDT Sep 22, 2021
1am EDT Sep 22, 2021-6pm EDT Sep 28, 2021
 
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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