The Infectious risk has eased over the past 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has held steady over the past 12 weeks in Cascade, Montana.
Pollution risk activity has been increasing over the past 12 weeks in Cascade, Montana.
Weather risk activity has held steady over the past 12 weeks in Cascade, Montana.
Last updated: August 31, 2026
Data refreshed weekly