Abstract: On the basis of the summer data of 2002 and 2003,this paper gives contrastive analysis of the meteorological factors such as daily highest temperature,lowest temperature,average temperature,wind speed,relative humidity and atmospheric pressure,etc.and electric consumption in Nanchang and establishes the electric load consumption forecast model,which was used for the forecast of high-temperature electric load consumption in summer in Nanchang.Based on the model,the meteorological warning information of the electric demand was published in the weather forecast programme of channel one of Jiangxi Satellite Television at 18:53 along with the Jiangxi Provincial Electric Company and the good social economic benefit was obtained.