Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

71°F

22°C

Humidity 100%
Wind Speed S 10 mph
Barometer 29.99 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 27 Aug 5:35 am EDT
Extended Forecast for

Perryville MD

  • Today

    Today: Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then scattered showers and thunderstorms after 4pm. Some of the storms could be severe.  Partly sunny, with a high near 85. South wind 8 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Scattered
    T-storms then
    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then scattered showers. Some of the storms could be severe.  Mostly cloudy, with a low around 72. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Severe
    Thunderstorms
    then
    Scattered
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, mainly between 3pm and 5pm.  Partly sunny, with a high near 85. Calm wind.  Chance of precipitation is 30%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 71. Calm wind becoming north around 5 mph after midnight.

    Low: 71 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. North wind around 6 mph becoming calm  in the morning.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then scattered showers and thunderstorms after 4pm. Some of the storms could be severe. Partly sunny, with a high near 85. South wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 11pm, then scattered showers. Some of the storms could be severe. Mostly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 71. Calm wind becoming north around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 85. North wind around 6 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Perryville MD
 39.57°N 76.07°W (Elev. 79 ft)
5:57 am EDT Aug 27, 2026
6am EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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