Gas Prices See Slight Uptick After Weeks of Decline

National average remains higher than last year, with California leading in costs and Mississippi offering the lowest prices.

Current national average for regular gas is $3.598 per gallon, up from $3.59 on Monday.
California has the highest average price at $5.188 per gallon, while Mississippi has the lowest at $3.057.
Gas prices are expected to remain in the mid-$3 range through the summer, with potential dips.
Experts cite weak domestic demand and lower oil costs as factors for the recent price trends.
Memorial Day travel could influence short-term price fluctuations.