Extreme Heat Continues , As Western US Hits , Record-Breaking Temperatures.<br />On September 6, <br />the brutal heat wave over <br />the United States smashed records. .<br />'The Guardian' reports that the extreme <br />temperatures left California teetering on <br />the edge of ordering rolling blackouts.<br />States in the Western U.S. are struggling <br />through one of the hottest and longest <br />September heat waves on record.<br />Last week, temperatures began soaring, and the <br />National Weather Service (NWS) warned that <br />the heat wave could continue through September 9.<br />In California's state capital of Sacramento, <br />temperatures hit an all-time high, reaching<br />116 degrees Fahrenheit on September 6. .<br />The previous record high for that <br />day was 96 degrees Fahrenheit <br />and was set in 1944.<br />In Salt Lake City, temperatures lingered about 20 degrees higher than normal, reaching as high as 105 degrees Fahrenheit, the hottest day in September since 1874.<br />Despite warnings, California's electric grid <br />managed to handle record-breaking <br />demand of 56,061 megawatts. .<br />Heat-related outages were reported in <br />the San Francisco Bay area and in Silicon Valley <br />with no word on when power would be restored. .<br />Meanwhile, the heat wave has fueled deadly wildfires in both Northern and Southern California that have already claimed at least four lives