Low Covid-19 risk in Sheridan, Montana.
Low Flu risk in Sheridan, Montana.
Low Rsv risk in Sheridan, Montana.
Low Infectious risk in Sheridan, Montana.
Very high Allergy risk in Sheridan, Montana.
Low Pollution risk in Sheridan, Montana.
High Weather risk in Sheridan, Montana.
Last updated: April 20, 2026
Data refreshed weekly