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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

87°F

31°C

Humidity 83%
Wind Speed S 8 mph
Barometer 29.90 in
Dewpoint 82°F (28°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 17 Aug 2:45 pm EDT
Extended Forecast for

Edgewood MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. Heat index values as high as 101. South wind around 7 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 68. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 50%.

    Low: 68 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 76. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 76 °F

    Cloudy

  • Monday Night

    Monday Night: A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 65. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Partly sunny, with a high near 77. East wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Heat index values as high as 101. South wind around 7 mph.
Tonight
Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 68. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 50%.
Monday
Cloudy, with a high near 76. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 65. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 77. East wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Edgewood MD
 39.41°N 76.3°W (Elev. 30 ft)
Last Update:
1:29 pm EDT Aug 17, 2025
Forecast Valid:
2pm EDT Aug 17, 2025-6pm EDT Aug 23, 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