Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

74°F

23°C

Humidity 68%
Wind Speed NW 7 mph
Barometer 30.07 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 25 Aug 10:35 am EDT
Extended Forecast for

4 Miles W Conowingo MD

  • Today

    Today: Mostly sunny, with a high near 81. Northwest wind 6 to 8 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 11pm.  Mostly cloudy, with a low around 67. South wind 3 to 6 mph.  Chance of precipitation is 50%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 84. South wind 6 to 8 mph.  Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am.  Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Northwest wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 60. Calm wind.
Wednesday
Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 67. South wind 3 to 6 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 84. South wind 6 to 8 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 66. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Conowingo MD
 39.7°N 76.25°W (Elev. 194 ft)
7:53 am EDT Aug 25, 2026
10am EDT Aug 25, 2026-6pm EDT Aug 31, 2026
 
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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