Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Partly Cloudy

88°F

31°C

Humidity	59%
Wind Speed	S 7 mph
Barometer	29.94 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	27 Aug 3:45 pm EDT

More Information:

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

Extended Forecast for

Gapland MD

Severe T-storm Watch until August 27, 10:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until August 27, 10:00pm
NOW until 10:00pm Thu
Severe T-storm Watch
This Afternoon
High: 87 °F
Severe
Thunderstorms
Tonight
Low: 66 °F
Severe
Thunderstorms
then Isolated
Showers and
Patchy Fog
Friday
High: 85 °F
Patchy Fog
then Mostly
Sunny
Friday Night
Low: 64 °F
Partly Cloudy
Saturday
High: 85 °F
Sunny
Saturday Night
Low: 67 °F
Partly Cloudy
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Partly sunny, with a high near 87. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and 1am. Some of the storms could be severe. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. North wind 3 to 6 mph.

Friday Night

Partly cloudy, with a low around 64. Calm wind.

Saturday

Sunny, with a high near 85. Light and variable wind becoming northeast around 5 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 67.

Sunday

Sunny, with a high near 88.

Sunday Night

Partly cloudy, with a low around 70.