Natural-gas futures seesawed Monday but ended the day slightly higher, as traders focused on weather forecasts and storage levels that appear on track to end the season at a multi-year low. Natural gas for April delivery settled up 3.3 cents, or 0.7%, at $4.651 a million British thermal units on the New York Mercantile Exchange. Forecasts are calling for another winter storm to cut across the U.S. this week, and longer-term outlooks are calling for cold temperatures to persist in much of the country, notably the northern central and northeastern states. “A tug of war is going on between seasonally inclined traders looking at the calendar and watching the mid-continent […]