Severe Thunderstorms and Heavy Rainfall Across the Central Plains and Central Appalachians

Severe thunderstorms producing damaging winds, heavy rainfall, hail and possibly a few tornadoes will continue through tonight across portions of Kansas and Oklahoma. Heavy rainfall will persist across the Central Appalachians through tonight, potentially leading to areas of flooding. The severe weather and heavy rainfall threat will shift into the lower Great Lakes on Wednesday. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Thunderstorm in Vicinity

70°F

21°C

Humidity	100%
Wind Speed	S 10 mph
Barometer	29.97 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	18 Jun 12:15 am EDT

More Information:

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

Extended Forecast for

Conowingo MD

Overnight
Low: 69 °F
Chance
Showers
Wednesday
High: 88 °F
Slight Chance
T-storms then
Showers
Wednesday Night
Low: 71 °F
Chance
T-storms then
Mostly Clear
Juneteenth
High: 91 °F
Sunny then
Showers
Likely
Thursday Night
Low: 65 °F
Showers
Likely then
Chance
Showers
Friday
High: 84 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Overnight

A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%.

Wednesday

Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

Juneteenth

Showers likely and possibly a thunderstorm after 2pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 91. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. West wind 5 to 7 mph. Chance of precipitation is 60%.

Friday

Sunny, with a high near 84.

Friday Night

Mostly clear, with a low around 65.

Saturday

Sunny, with a high near 88.

Saturday Night

Partly cloudy, with a low around 70.

Sunday

Mostly sunny, with a high near 92.

Sunday Night

Mostly clear, with a low around 73.