...Several Days of Heat Indices Near or In Excess of 100F Late This Weekend and Into Early Next Week... Strong high pressure at the surface and aloft will build into the area this weekend and continue into next week. Temperatures will warm into the upper 80s and lower 90s this weekend with lower 90s becoming more common next week. Oppressive humidity values will also be seen across the area as dewpoints warm into the mid-upper 70s. The combination of warm temperatures and high humidity will result in afternoon heat index readings reaching the upper 90s and lower 100s. Practice heat safety by staying hydrated and checking on people without air conditioning. Know the signs of heat illness, and never leave children or animals in an unattended vehicle.