Missoula City-County Health Department (MCCHD) data shows 18 new and 574 active COVID-19 cases are being reported Monday.
There were 92 new and 685 active cases were reported on Friday in the county.
A total of 31 of the newly reported COVID-19 cases are associated with the University of Montana.
A total of 26,817 COVID-19 cases have been confirmed in Missoula County including 26,042 recoveries and 201 deaths.
The number of COVID-19 related hospitalizations was unavailable on Monday.
The county's COVID-19 test positivity rate remains at 15.45% while the seven-day case average per 100,000 people has fallen to 40.
MCCHD previously noted that numbers above 25 are "highly concerning."
The Montana COVID-19 state tracking map shows 75,763 Missoula County residents are fully vaccinated against COVID-19 representing 65% of the eligible population.
The latest Missoula County COVID-19 vaccine information can be found online or by calling 406-258-4636.