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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

A Few Clouds

81°F

27°C

Humidity 46%
Wind Speed S 10 mph
Barometer 29.77 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Jun 3:55 pm EDT
Extended Forecast for

2 Miles E Bel Air South MD

Coastal Flood Advisory June 18, 10:00am until June 18, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • This Afternoon

    This Afternoon: Scattered sprinkles before 5pm, then isolated showers after 5pm. Mostly sunny, with a high near 83. South wind around 10 mph. Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    Showers

  • Tonight

    Tonight: Increasing clouds, with a low around 69. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 92. Breezy, with a south wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. West wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 66 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

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

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered sprinkles before 5pm, then isolated showers after 5pm. Mostly sunny, with a high near 83. South wind around 10 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 69. South wind around 9 mph, with gusts as high as 18 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 92. Breezy, with a south wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 66. West wind 5 to 11 mph, with gusts as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 83. West wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 84.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Bel Air South MD
 39.5°N 76.28°W (Elev. 187 ft)
Last Update:
2:22 pm EDT Jun 17, 2026
Forecast Valid:
4pm EDT Jun 17, 2026-6pm EDT Jun 24, 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