Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

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. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Phillips Army Air Field / Aberdeen (KAPG)

Lat: 39.47°NLon: 76.17°WElev: 59ft.

Partly Cloudy

74°F

23°C

Humidity 89%
Wind Speed S 5 mph
Barometer 30.00 in (1016.1 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 27 Aug 7:55 am EDT
Extended Forecast for

Perryman MD

  • Today

    Today: Scattered showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then scattered showers and thunderstorms after 4pm. Some of the storms could be severe.  Partly sunny, with a high near 86. South wind 6 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: 86 °F

    Scattered
    Showers then
    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then scattered showers. Some of the storms could be severe.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 68. South wind around 5 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: 68 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Friday

    Friday: A chance of showers and thunderstorms, mainly between 3pm and 4pm.  Areas of fog before 10am.  Otherwise, partly sunny, with a high near 86. Light north wind.  Chance of precipitation is 30%.

    High: 86 °F

    Areas Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 66. Light north wind.

    Low: 66 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 86. North wind 3 to 5 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 8am.  Otherwise, sunny, with a high near 88.

    High: 88 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then scattered showers and thunderstorms after 4pm. Some of the storms could be severe. Partly sunny, with a high near 86. South wind 6 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 1am, then scattered showers. Some of the storms could be severe. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 68. South wind around 5 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 4pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 86. Light north wind. Chance of precipitation is 30%.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66. Light north wind.
Saturday
Mostly sunny, with a high near 86. North wind 3 to 5 mph.
Saturday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 67.
Sunday
Areas of fog before 8am. Otherwise, sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Perryman MD
 39.47°N 76.2°W (Elev. 30 ft)
7:52 am EDT Aug 27, 2026
8am EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database