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

Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Partly Cloudy

76°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 76°F (24°C)
Visibility NA
Heat Index75°F (24°C)
Last update 4 Aug 1:55 am EDT
Extended Forecast for

2 Miles ENE Chaptico MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. North wind 3 to 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. Northeast wind around 7 mph.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 69. Light east wind. Chance of precipitation is 40%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. North wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 85. Northeast wind around 7 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 69. Light east wind. Chance of precipitation is 40%.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Chaptico MD
 38.37°N 76.74°W (Elev. 98 ft)
Last Update:
10:54 pm EDT Aug 3, 2026
Forecast Valid:
2am EDT Aug 4, 2026-6pm EDT Aug 10, 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