Heavy snow has cost Derbyshire County Council £5m this winter - £2m more than the authority had budgeted for.
Winter maintenance costs soared because gritters were sent out more often than usual and the council had to buy in extra salt.
The authority may now have to cut back on road repairs and improvements.
Councillor Brian Lucas, cabinet member for environment and highways, said no extra money was available from the government to meet the costs.
"It's got to be taken out of the environmental services budget," he said.
"We're in the throes of looking at schemes for the new financial year and we'll have to look at adjustments."