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

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk into the Weekend on the East Coast; Flash Flooding Possible in the Southeast

A dangerous, record heat wave continues for the Desert Southwest and the Central Valley of California through Saturday, and the Pacific Northwest through Tuesday. Coastal flooding is expected through tonight at high tide along the Eastern Seaboard from Erin, while the high rip current risk and dangerous surf continue through the weekend. Flash flooding possible today in Georgia and South Carolina. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

77°F

25°C

Humidity 41%
Wind Speed NE 6 mph
Barometer 30.06 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 22 Aug 1:15 pm EDT
Extended Forecast for

Upper Falls MD

Coastal Flood Advisory August 22, 01:29pm until August 25, 06:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory August 22, 01:29pm until August 25, 06:00am

    NOW until 6:00am Mon

    Coastal Flood Advisory

  • This Afternoon

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. Calm wind.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. South wind 6 to 8 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 82. South wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Northeast wind 3 to 5 mph.
Tonight
Clear, with a low around 61. Calm wind.
Saturday
Sunny, with a high near 81. Light southwest wind becoming south 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 68. South wind 6 to 8 mph.
Sunday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 82. South wind 6 to 10 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Falls MD
 39.45°N 76.41°W (Elev. 299 ft)
Last Update:
10:29 am EDT Aug 22, 2025
Forecast Valid:
1pm EDT Aug 22, 2025-6pm EDT Aug 28, 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