National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Overcast

78°F

26°C

Humidity 95%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 76°F (24°C)
Visibility NA
Heat Index81°F (27°C)
Last update 7 Jul 9:35 am EDT
Extended Forecast for

Prince Frederick MD

  • Today

    Today: Scattered showers and thunderstorms, mainly between 1pm and 3pm. Mostly cloudy, with a high near 83. Northeast wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 83 °F

    Isolated
    Showers then
    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 3am, then isolated thunderstorms after 5am. Mostly cloudy, with a low around 71. East wind around 6 mph. Chance of precipitation is 50%.

    Low: 71 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 82. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. South wind 6 to 8 mph. Chance of precipitation is 90%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 74. Chance of precipitation is 80%.

    Low: 74 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly between 1pm and 3pm. Mostly cloudy, with a high near 83. Northeast wind 5 to 7 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, mainly before 3am, then isolated thunderstorms after 5am. Mostly cloudy, with a low around 71. East wind around 6 mph. Chance of precipitation is 50%.
Wednesday
A slight chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 82. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. South wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. South wind 6 to 8 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 74. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Saturday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Monday
A slight chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Prince Frederick MD
 38.55°N 76.57°W (Elev. 98 ft)
Last Update:
9:25 am EDT Jul 7, 2026
Forecast Valid:
9am EDT Jul 7, 2026-6pm EDT Jul 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation