Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair with Haze

84°F

29°C

Humidity	79%
Wind Speed	Calm
Barometer	29.94 in
Dewpoint	77°F (25°C)
Visibility	7.00 mi
Heat Index	94°F (34°C)
Last update	3 Sep 6:47 pm EDT

More Information:

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

Extended Forecast for

2 Miles SW Rosemont MD

Tonight
Low: 72 °F
Scattered
T-storms then
Scattered
Showers and
Patchy Fog
Friday
High: 90 °F
Slight Chance
Showers and
Patchy Fog
then Chance
T-storms
Friday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 82 °F
Chance
Showers
Saturday Night
Low: 61 °F
Chance
Showers then
Partly Cloudy
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 59 °F
Mostly Clear
Labor Day
High: 80 °F
Mostly Sunny
Monday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Tonight

Scattered showers and thunderstorms before 3am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. Light west wind. Chance of precipitation is 50%.

Friday

A slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

Saturday

A chance of showers, mainly after 2pm. Partly sunny, with a high near 82. North wind 3 to 6 mph. Chance of precipitation is 40%.

Saturday Night

A chance of showers before 8pm. Partly cloudy, with a low around 61. Light north wind. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 80.

Sunday Night

Mostly clear, with a low around 59.

Labor Day

Mostly sunny, with a high near 80.

Monday Night

Partly cloudy, with a low around 59.