Areas of Dangerous Heat and Severe Thunderstorms

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 before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Mostly Cloudy

70°F

21°C

Humidity	100%
Wind Speed	SE 7 mph
Barometer	30.01 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	27 Aug 2:55 am EDT

More Information:

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

Extended Forecast for

3 Miles NW Conowingo MD

Overnight
Low: 70 °F
Chance
T-storms
Thursday
High: 85 °F
Chance
T-storms then
Severe
Thunderstorms
Thursday Night
Low: 67 °F
Severe
Thunderstorms
and Patchy
Fog
Friday
High: 84 °F
Areas Fog
then Slight
Chance
T-storms
Friday Night
Low: 66 °F
Mostly Cloudy
then Patchy
Fog
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Partly Cloudy
then Patchy
Fog
Sunday
High: 86 °F
Mostly Sunny
Sunday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Overnight

A chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm 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 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely before 11pm, then scattered showers. Some of the storms could be severe. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 84. Light north wind. Chance of precipitation is 20%.

Friday Night

Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Calm wind.

Saturday

Mostly sunny, with a high near 85.

Saturday Night

Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68.

Sunday

Mostly sunny, with a high near 86.

Sunday Night

Partly cloudy, with a low around 70.

Monday

Mostly sunny, with a high near 88.