Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Leesburg / Godfrey (KJYO)

Lat: 39.08°NLon: 77.57°WElev: 390ft.

Overcast

73°F

23°C

Humidity	100%
Wind Speed	S 6 mph
Barometer	30.03 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	17 Jun 12:55 pm EDT

More Information:

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

Extended Forecast for

Poolesville MD

Flood Watch June 17, 05:00pm until June 18, 12:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 82 °F
Scattered
T-storms
Tonight
Low: 70 °F
Heavy Rain
then Slight
Chance
T-storms
Wednesday
High: 88 °F
Partly Sunny
then Heavy
Rain
Wednesday Night
Low: 71 °F
Mostly Clear
Juneteenth
High: 91 °F
Slight Chance
Showers then
Showers
Likely
Thursday Night
Low: 65 °F
Showers
Likely then
Slight Chance
Showers
Friday
High: 85 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 90 °F
Sunny

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. South wind around 7 mph. Chance of precipitation is 40%.

Tonight

Showers and thunderstorms likely before 2am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 88. South wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Mostly clear, with a low around 71. Southwest wind around 5 mph.

Juneteenth

A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 91. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 60%.

Friday

Sunny, with a high near 85.

Friday Night

Mostly clear, with a low around 65.

Saturday

Sunny, with a high near 90.

Saturday Night

Partly cloudy, with a low around 70.

Sunday

Sunny, with a high near 95.

Sunday Night

Mostly clear, with a low around 74.