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

Heavy Rainfall Across South Texas; Heat in the West

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and Lower Mississippi River Valley through Thursday. Hot temperatures will persist over central and northern California and the Pacific Northwest through today. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Overcast

64°F

18°C

Humidity 59%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 49°F (9°C)
Visibility NA
Last update 16 Jun 5:15 am EDT
Extended Forecast for

3 Miles E Prince Frederick MD

  • Today

    Today: Mostly sunny, with a high near 80. North wind around 6 mph becoming light and variable.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 1am and 3am. Increasing clouds, with a low around 68. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. South wind 6 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. South wind 6 to 9 mph.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Southwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 99 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. North wind around 6 mph becoming light and variable.
Tonight
A slight chance of showers between 1am and 3am. Increasing clouds, with a low around 68. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 89. South wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 74. South wind 6 to 9 mph.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Southwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Juneteenth
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 88.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Prince Frederick MD
 38.55°N 76.54°W (Elev. 131 ft)
Last Update:
4:52 am EDT Jun 16, 2026
Forecast Valid:
5am EDT Jun 16, 2026-6pm EDT Jun 22, 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