of the fires are treated as crime scenes. as soon as the flames are put out, investigators go in to hunt for clues on the spark that set it off. devin dwyer, abc news, san marcos, california. >> fortunately the firefighters get help from mother nature today. the conditions that have been fueling the fires and are backing off some. >> accu-weather meteorologist jim dickey is joining us with details on that and the day's other extreme weather. good morning, jim. >> good morning john and diana. >> good news across southern california. the pattern that's led to this elevated wildfire risk is dying down today. the winds dying down. relative humidity coming up as cooler pacific air works in. that will help firefighting here throughout the region. any fires that do form it will be harder for them to spread. different story across the northeast as we deal with soaking rainfall, flooding rainfall. slow-moving system. tracks east. flooding across the i-95 corridor. john and diana, back to you. after year of careful planning the 9/11 memorial museum was dedicated in a somber ceremony.