- Effective May 16, 2021, the Governor signed legislation invalidating local mask mandates and other virus-related public health measures that counties and cities have adopted during the COVID-19 pandemic.
- The new Governor lifted the statewide mask mandate on February 12, 2021 put in place by his predecessor.
- Starting January 15, Montana removed health mandates on restaurants, bars, breweries, distilleries, and casinos all of which are no longer subject to a 10 p.m. curfew. These establishments may now operate at full capacity, up from 50% capacity, but should implement appropriate social distancing, safety, and sanitation practices.
- On November 17, the Governor ordered bars and restaurants to close at 10 p.m. They require restaurants, bars, breweries, distilleries, and casinos to operate at 50% of capacity, with tables limited to six people and with 6 feet of physical distance between groups. These measures went into effect on November 20.
- On July 15, the governor issued a directive requiring face coverings to be worn in many indoor public spaces and outdoor gatherings.