MITCHELL, S.D. (MITCHELLNOW) Mitchell did tie a record high temperature for February 26th. The high of 69 degrees had been set in 1896. Mitchell’s high temperature fell short of the forecasted high of 73, but it did climb enough to tie the record. Mitchell also set a record for warmest average temperature throughout the day and night at 51.5 degrees. Our temperature is expected to gradually fall today, tonight, and into the overnight, and a wind advisory is in effect until 6 PM.