** Shares of U.S. natural gas companies down, tracking fall in natgas futures NGA/

** U.S. natgas futures NGc1 down 0.7% at $3.5 per million British thermal unit. Contract closed at its highest since July 2 on Monday

** Natural gas prices fell on forecast of less hot weather over next two weeks than previously expected, denting demand for the fuel

** Shares of natgas companies: CNX Resources CNX.N down 3.1%, Cheniere Energy LNG.N fall ~2%, EQT Corp EQT.N down 2.4% and Williams Companies WMB.N fall 2%

** NextDecade NEXT.O falls 1.1% and Sempra SRE.N down marginally

** ETFs — United States Natural Gas Fund UNG.P and ProShares Ultra Bloomberg Natural Gas BOIL.P each down marginally

(Reporting by Pooja Menon in Bengaluru)

((Pooja.Menon@thomsonreuters.com;))