000 SXUS75 KRIW 010029 RERRIW RECORD EVENT REPORT NATIONAL WEATHER SERVICE RIVERTON WY 0628 PM MDT SAT SEP 30 2023 ...RECORD HIGH TEMPERATURE SET AT RIVERTON WY... A RECORD HIGH TEMPERATURE OF 83 WAS SET AT RIVERTON WY TODAY. THIS BREAKS THE OLD RECORD OF 81 SET IN 2005. $$