several record high temps have been recorded in U.S. 120 deg. F +

http://en.wikipedia.org/wiki/U.S._state_temperature_extremes

it regularly gets 115 - 120 in the Redding CA area most summers

http://www.ncdc.noaa.gov/oa/climate/research/2006/jul/julyext2006.html

Death Valley has hit 134
http://www.usatoday.com/weather/climate/usa/calif/wdeathva.htm