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

Tropical Storm and Storm Surge Warnings for the North Carolina Outer Banks; Hot in the Mississippi Valley

Tropical Storm conditions and coastal flooding are possible in the North Carolina Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Warnings are in effect. Hurricane Erin is expected to bring life threatening surf and rip currents along the East Coast beaches this week. Hot to extremely hot temperatures continue across parts of the Southern Plains and Mississippi Valley today. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

68°F

20°C

Humidity 95%
Wind Speed E 8 mph
Barometer 30.10 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 8:25 pm EDT
Extended Forecast for

Joppa MD

  • Tonight

    Tonight: Patchy drizzle after 9pm. Mostly cloudy, with a low around 67. East wind around 6 mph.

    Low: 67 °F

    Patchy
    Drizzle

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. East wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 82 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 67. Northeast wind around 9 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 76. Northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. North wind 8 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Patchy drizzle after 9pm. Mostly cloudy, with a low around 67. East wind around 6 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. East wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 67. Northeast wind around 9 mph. Chance of precipitation is 40%.
Thursday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 76. Northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 61. North wind 8 to 10 mph.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 81.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Joppa MD
 39.45°N 76.38°W (Elev. 98 ft)
Last Update:
7:29 pm EDT Aug 19, 2025
Forecast Valid:
8pm EDT Aug 19, 2025-6pm EDT Aug 26, 2025
 
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