Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Overcast

76°F

24°C

Humidity	88%
Wind Speed	E 3 mph
Barometer	30.01 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	4 Jul 10:35 pm EDT

More Information:

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

Extended Forecast for

Middletown MD

Tonight
Low: 72 °F
Severe
Thunderstorms
then Chance
Showers and
Patchy Fog
Sunday
High: 92 °F
Patchy Fog
then Showers
Likely
Sunday Night
Low: 68 °F
Heavy Rain
then Showers
Likely
Monday
High: 82 °F
Showers
Monday Night
Low: 66 °F
Showers
Tuesday
High: 81 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 65 °F
Chance
T-storms then
Slight Chance
Showers
Wednesday
High: 84 °F
Mostly Sunny
Wednesday Night
Low: 66 °F
Partly Cloudy

Detailed Forecast

Tonight

Scattered showers and thunderstorms. Some of the storms could be severe. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%.

Sunday

A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 92. Heat index values as high as 102. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers and thunderstorms before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 68. Northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Monday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers and possibly a thunderstorm. Low around 66. North wind 3 to 6 mph. Chance of precipitation is 80%.

Tuesday

A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 84.

Wednesday Night

Partly cloudy, with a low around 66.

Thursday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.