Natural gas futures extended to three days a winning streak built on intensifying winter weather and renewed momentum in U.S. liquefied natural gas (LNG) demand.

Before rolling off the board on Wednesday, the February Nymex gas futures contract climbed 10.4 cents day/day and settled at $2.760. March, which takes over as the prompt month on Thursday, advanced 6.6 cents to $2.702.

NGI’s Spot Gas National Avg. continued its own multi-day rally, surging 52.0 cents to $3.370 on Wednesday.

In addition to a widespread blast of cold this week, mid-range weather outlooks have steadily pointed to freezing conditions in weeks ahead.

“Once again, the changes in the weather forecast are to the colder side, enough to now move the 15-day forecast as a whole a little colder even...