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

Hazardous Weather Outlook

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Overcast

76°F

24°C

Humidity	79%
Wind Speed	SE 10 mph
Barometer	30.02 in (1016.6 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	17 Jun 12:52 pm EDT

More Information:

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

Extended Forecast for

Mechanicsville MD

This Afternoon
High: 82 °F
Scattered
T-storms
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: 93 °F
Sunny then
Showers
Likely
Thursday Night
Low: 68 °F
Showers
Likely
Friday
High: 85 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 90 °F
Sunny

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms. Partly sunny, with a high near 82. South wind around 7 mph. Chance of precipitation is 30%.

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 50%.

Wednesday

A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms, mainly before 7pm. 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. Sunny, with a high near 93. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. 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.