@Aphrican: Weather at accident time:
15:55 UTC / 10:55 local time:
KGAI 081555Z 05005KT 10SM OVC032 M01/M08 A3060 RMK AO1
Wind: 050 degrees at 5 knots; Visibility: 10+ miles; Clouds: overcast cloud deck at 3200 feet AGL; Temperature: -1°C; Dewpoint: -8°C; Pressure: 1036.3 mb
More here:
ASN Aircraft accident Embraer EMB-500 Phenom 100 N100EQ Gaithersburg-Montgomery County Airport, MD (GAI)