Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

76°F

24°C

Humidity 70%
Wind Speed SE 5 mph
Barometer 30.30 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Sep 6:35 pm EDT
Extended Forecast for

Barstow MD

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind 3 to 7 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. South wind 3 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight.  Partly cloudy, with a low around 70. South wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Light northwest wind becoming north 6 to 11 mph in the morning.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Northeast wind around 7 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 8pm.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 64. South wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 88. South wind 3 to 8 mph.
Thursday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 70. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 85. Light northwest wind becoming north 6 to 11 mph in the morning.
Friday Night
Partly cloudy, with a low around 64. Northeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Barstow MD
 38.53°N 76.63°W (Elev. 151 ft)
4:52 pm EDT Sep 16, 2026
6pm EDT Sep 16, 2026-6pm EDT Sep 23, 2026
 
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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