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.

Partly Cloudy

79°F

26°C

Humidity	100%
Wind Speed	S 7 mph
Barometer	29.98 in
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	27 Aug 12:55 pm EDT

More Information:

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

Extended Forecast for

Rising Sun MD

This Afternoon
High: 83 °F
Severe
Thunderstorms
Tonight
Low: 67 °F
Severe
Thunderstorms
then Chance
Showers and
Patchy Fog
Friday
High: 83 °F
Areas Fog
then Slight
Chance
T-storms
Friday Night
Low: 64 °F
Mostly Cloudy
Saturday
High: 83 °F
Mostly Sunny
Saturday Night
Low: 65 °F
Mostly Clear
then Patchy
Fog
Sunday
High: 85 °F
Patchy Fog
then Sunny
Sunday Night
Low: 69 °F
Partly Cloudy
Monday
High: 88 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could be severe. Partly sunny, with a high near 83. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Some of the storms could be severe. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

Friday

A slight chance of showers and thunderstorms after 3pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

Friday Night

Mostly cloudy, with a low around 64. Light north wind.

Saturday

Mostly sunny, with a high near 83. North wind 3 to 5 mph.

Saturday Night

Patchy fog between 2am and 5am. Otherwise, mostly clear, with a low around 65.

Sunday

Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 85.

Sunday Night

Partly cloudy, with a low around 69.

Monday

Mostly sunny, with a high near 88.