Though gas prices have been on the rise due to global concerns, you may have noticed a really steep spike Tuesday -- as much as 8 to 10 cents a gallon.
We have Hurricane Isaac to thank for this one.
According to a story in the Christian Science Monitor, oil refineries in the Gulf of Mexico are taking precautionary measures and are shutting down for safety reasons.
Prices will go even higher as the downtime extends, the story says.
And just in time for the Labor Day holiday weekend.
Check out the information under Patch's "Commute" button to help you find the best gas prices in your area.