Motorists in Kansas continue to see gas prices climb higher due to rising crude prices, tightening gas supplies, and increased gas demand.

Prices in Montgomery County have risen to $2.70 which is a 27-cent increase since last month while Labette County has seen an increase to $2.69 which is a 32-cent increase. In Chautauqua County, prices are up 34 cents to $2.67 a gallon. The state average is $2.66 a gallon, up 36 cents since last month.

In Oklahoma, the state average jumped to $2.65 a gallon. Gas in Washington County is up 32 cents to $2.62 while Nowata County is up 36 cents to $2.57.

The national average for a gallon of regular gasoline is at $2.83, which is eight cents more than a week ago, 33 cents more than a month ago, and 51 cents more than a year ago.