The IFPS FARSITE forecasts are designed to be downloaded over the internet and easily used as input by the FARSITE program. Because the weather streams are routinely updated and available for different elevations, the Fire Behavior Analyst can quickly make multiple FARSITE runs using the latest forecasts. The forecasts can also be adjusted using a simple text editor for local conditions are based on local meteorological knowledge. This will allow rapid consecutive runs of FARSITE in "what-if" or "worst-case" scenarios. The IFPS FARSITE weather forecasts are derived for single, 2.5 km resolution IFPS grid points and can be chosen for different key areas and elevations of a prescribed or wild fire.
During the spring of 2003 a demonstration website was constructed where FARSITE formatted forecasts were derived from the NWS Salt Lake City IFPS database. A demonstration was conducted by creating IFPS FARSITE forecasts specifically for the Sanford Complex, a large fire which occurred in southern Utah during the summer of 2002. FARSITE forecasts have been developed for 9000 feet and 7500 feet in the area of the Sanford Fire.