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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

73°F

23°C

Humidity 95%
Wind Speed S 6 mph
Barometer 29.77 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 17 Jun 10:35 pm EDT
Extended Forecast for

2 Miles SSW Churchville MD

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

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy

  • 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 91. Breezy, with a south wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 91 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. West wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy through mid morning, then gradual clearing, with a high near 83. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 83 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Northwest wind around 8 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

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

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 20 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 91. Breezy, with a south wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 66. West wind 6 to 11 mph, with gusts as high as 23 mph.
Juneteenth
Mostly cloudy through mid morning, then gradual clearing, with a high near 83. West wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 62. Northwest wind around 8 mph.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. 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 81.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Churchville MD
 39.54°N 76.25°W (Elev. 341 ft)
Last Update:
10:53 pm EDT Jun 17, 2026
Forecast Valid:
11pm 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