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

Hazardous Weather Outlook

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

74°F

23°C

Humidity	100%
Wind Speed	S 7 mph
Barometer	30.00 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Last update	27 Aug 8:35 am EDT

More Information:

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

Extended Forecast for

Perryville MD

Today
High: 85 °F
Scattered
T-storms then
Severe
Thunderstorms
Tonight
Low: 71 °F
Severe
Thunderstorms
then
Scattered
Showers
Friday
High: 85 °F
Partly Sunny
then Chance
T-storms
Friday Night
Low: 71 °F
Mostly Cloudy
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 72 °F
Mostly Clear
Sunday
High: 86 °F
Mostly Sunny
Sunday Night
Low: 75 °F
Partly Cloudy
Monday
High: 89 °F
Mostly Sunny

Detailed Forecast

Today

Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then scattered showers and thunderstorms after 4pm. Some of the storms could be severe. Partly sunny, with a high near 85. South wind 9 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 11pm, then scattered showers. Some of the storms could be severe. Mostly cloudy, with a low around 71. South wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

Mostly cloudy, with a low around 71. North wind 3 to 6 mph.

Saturday

Mostly sunny, with a high near 85. North wind 5 to 7 mph becoming calm in the afternoon.

Saturday Night

Mostly clear, with a low around 72.

Sunday

Mostly sunny, with a high near 86.

Sunday Night

Partly cloudy, with a low around 75.

Monday

Mostly sunny, with a high near 89.