Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

86°F

30°C

Humidity	66%
Wind Speed	W 7 mph
Barometer	29.97 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	4 Sep 1:47 pm EDT

More Information:

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

Extended Forecast for

3 Miles ENE Middletown MD

Severe T-storm Watch until September 4, 09:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until September 4, 09:00pm
NOW until 9:00pm Fri
Severe T-storm Watch
This Afternoon
High: 87 °F
Showers
Likely
Tonight
Low: 69 °F
Showers
Likely
Saturday
High: 79 °F
Chance
Showers
Saturday Night
Low: 62 °F
Chance
Showers then
Mostly Cloudy
Sunday
High: 77 °F
Sunny
Sunday Night
Low: 59 °F
Partly Cloudy
Labor Day
High: 77 °F
Sunny
Monday Night
Low: 60 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 87. Northwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 69. Light northwest wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers after 2pm. Mostly cloudy, with a high near 79. North wind around 5 mph. Chance of precipitation is 40%.

Saturday Night

A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 62. Northeast wind 3 to 7 mph. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 77. Northeast wind around 7 mph.

Sunday Night

Partly cloudy, with a low around 59.

Labor Day

Sunny, with a high near 77.

Monday Night

Partly cloudy, with a low around 60.