Severe Thunderstorms in the Ohio and Tennessee Valleys; Flash Flooding Possible in the Southwest

Scattered damaging winds, isolated severe hail, and a brief tornado or two are possible from the Upper Ohio to Tennessee Valleys during the late afternoon and evening. Across the Southwest, monsoonal moisture will continue to bring heavy rain and a threat for isolated to scattered flash flooding through Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

78°F

26°C

Humidity 94%
Wind Speed S 9 mph
Barometer 29.95 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 6 Sep 10:25 am EDT
Extended Forecast for

Bel Air South MD

  • Today

    Today: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 3pm.  High near 84. South wind 6 to 8 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Mostly Sunny
    then Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then scattered showers.  Mostly cloudy, with a low around 60. North wind 3 to 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: Isolated showers before 2pm.  Cloudy through mid morning, then gradual clearing, with a high near 73. Northwest wind around 6 mph.  Chance of precipitation is 20%.

    High: 73 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Northwest wind 3 to 6 mph.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Northeast wind around 6 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 84. South wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 4am, then scattered showers. Mostly cloudy, with a low around 60. North wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Isolated showers before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 73. Northwest wind around 6 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 53. Northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 74. Northeast wind around 6 mph.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Bel Air South MD
 39.51°N 76.34°W (Elev. 249 ft)
10:29 am EDT Sep 6, 2025
10am EDT Sep 6, 2025-6pm EDT Sep 12, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database