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

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Mostly Cloudy

77°F

25°C

Humidity	85%
Wind Speed	SE 7 mph
Barometer	29.95 in (1014.1 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	17 Jun 8:52 pm EDT

More Information:

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

Extended Forecast for

Mechanicsville MD

Tonight
Low: 71 °F
Chance
T-storms
Wednesday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 74 °F
Chance
T-storms then
Mostly Clear
Juneteenth
High: 94 °F
Sunny then
Showers
Likely
Thursday Night
Low: 67 °F
Showers
Likely
Friday
High: 85 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 2am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 30%.

Wednesday

A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 7 to 11 mph. Chance of precipitation is 40%.

Wednesday Night

A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74. Southwest wind around 6 mph. Chance of precipitation is 30%.

Juneteenth

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 103. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. West wind around 7 mph. Chance of precipitation is 60%.

Friday

Sunny, with a high near 85.

Friday Night

Mostly clear, with a low around 66.

Saturday

Sunny, with a high near 90.

Saturday Night

Partly cloudy, with a low around 70.

Sunday

Sunny, with a high near 94.

Sunday Night

Mostly clear, with a low around 74.