Severe Thunderstorms from the Midwest to Mid-Atlantic Tonight; The Heat Continues in the Southern and Eastern U.S.

Strong to severe thunderstorms capable of producing large to very large hail, damaging wind gusts and a few strong tornadoes are likely from the Midwest to the Mid-Atlantic tonight. Moderate Risk (level 4 of 5) of severe thunderstorms is outlooked for the Midwest. A widespread heat wave will peak in the South and East on Friday, with many temperature records expected to be broken. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from June 12, 11:00 AM EDT until June 12, 08:00 PM EDT

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

A Few Clouds

74°F

23°C

Humidity	85%
Wind Speed	Calm
Barometer	29.83 in
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	12 Jun 12:55 am EDT

More Information:

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

Extended Forecast for

Prince Frederick MD

Heat Advisory June 12, 11:00am until June 12, 08:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 75 °F
Slight Chance
Showers
Friday
High: 97 °F
Mostly Sunny
then Severe
Thunderstorms
Friday Night
Low: 70 °F
Severe
Thunderstorms
then Partly
Cloudy
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 69 °F
Mostly Clear
Sunday
High: 94 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 65 °F
Showers
Likely
Monday
High: 83 °F
Partly Sunny
Monday Night
Low: 65 °F
Partly Cloudy
then Slight
Chance
Showers

Detailed Forecast

Overnight

A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 75. Light southwest wind. Chance of precipitation is 20%.

Friday

A chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly sunny and hot, with a high near 97. Heat index values as high as 104. Southwest wind 3 to 8 mph. Chance of precipitation is 30%.

Friday Night

Showers and thunderstorms, mainly before 8pm. Some of the storms could be severe. Low around 70. South wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Sunny, with a high near 89. North wind 3 to 7 mph.

Saturday Night

Mostly clear, with a low around 69. Light south wind.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Monday

Partly sunny, with a high near 83.

Monday Night

A slight chance of showers after 2am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.