MARQUETTE -- Update 12:37 p.m. EST

Gas prices are up in the Marquette area.  Holiday gas station is at $4.14 for a gallon of unleaded regular.

Some gas stations are still below the $4.00 mark.  The Oasis gas station between Marquette and Negaunee was still at $3.97 around noon on Wednesday.

Join the conversation on the TV6 Facebook page.  Let us know how much gas is in your area.

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Memorial Day weekend is coming and it looks like gas prices might be over the $4 mark as early as Wednesday morning, according to Senior Petroleum Analyst, Patrick DeHaan, at GasBuddy.com.

"I expect stations to increase prices to $3.89-$4.15 by weekend with a majority of stations starting to raise prices as early as tomorrow morning," says DeHaan.

The high volume of drivers during the holiday weekend is not the only sign of a rise in price at the pump.  DeHaan stated that the ExxonMobil's Joliet, Illinois refinery was having another unexpected problem while restarting the facility. 

The Great Lakes region is expected to see increases, while outside areas will continue to slowly fall according to DeHaan.

You can keep track of gas prices in the U.P. on our Pump Patrol page.