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 >

Hazardous Weather Conditions

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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

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

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

Showers
Likely and
Patchy Fog
Low: 67 °F
Wednesday

Heavy Rain
and Patchy
Fog
High: 73 °F
Wednesday
Night

Heavy Rain
and Patchy
Fog
Low: 59 °F
Thursday

Heavy Rain
High: 67 °F
Thursday
Night

Chance
Showers then
Mostly Clear
Low: 50 °F
Friday

Sunny
High: 67 °F
Friday
Night

Mostly Clear
Low: 49 °F
Saturday

Sunny
High: 70 °F
Saturday
Night

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.