The work week is a couple days old now, but gas prices haven't changed since Monday. According to Gas Buddy, these are the cheapest prices in the area:
$4.19 - Shell and Chevron, 9700 and 9701 Jackson Rd. (as of Tuesday morning)
A little farther...
$3.97 - ARCO, 3501 Fair Oaks Blvd. (as of Monday evening)