As of Monday, May 24, 2021, Montana reports 111,224 confirmed COVID-19 cases, with 23 new cases reported in the last day: 7 in Flathead County, 6 in Cascade County, and more new cases in 6 more Montana counties. Most Montana counties do not report over the weekend, and so official case counts do not include the most populous Gallatin County, Yellowstone County, and others. The number of active coronavirus cases in Montana is 922. Currently, 71 people are being treated in Montana hospitals for COVID-19. The most active cases are in Cascade, Yellowstone, and Flathead Counties. 1,603 people have died in Montana of COVID-19. Nationwide, more than 590,000 Americans have died of COVID-19. There have been 33,100,000 cases of coronavirus in the US, and counting.

Twenty-one people died while running an ultramarathon when extremely cold weather struck in rugged Gansu province in northwestern China, sparking public outrage over the lack of contingency planning.

President Joe Biden is doubling U.S. emergency spending to help communities prepare for hurricanes and other extreme weather events, while launching a new effort at NASA to better understand and track the impacts of climate change. The $1 billion in spending is a small fraction of what the U.S. spends on weather-related disasters. Last year alone, the nation endured 22 separate weather and climate-related disasters with losses greater than $1 billion each.

Watercraft inspectors in Montana have found aquatic mussels on 21 boats so far this year and officials said they expect a busy season trying to prevent the invasive organisms from fouling Montana waterways. Aquatic mussels have no natural predators and can clog water pipes and displace native species. All watercraft including non-motorized boats must be inspected when coming into Montana.