May Nymex natural gas (NGK26) on Monday closed up +0.011 (+0.39%). Nat-gas prices recovered from a 7.25-month nearest-futures low on Monday and settled higher.   Short covering emerged in nat-gas futures on Monday amid forecasts of colder US temperatures, potentially boosting nat-gas heating demand.  The Commodity Weather Group said Monday that below-average temperatures are expected across the Upper Midwest through April 10. More News from Barchart Nat-gas prices have some medium-term support on the o ...