BALTIMORE, MD (Friday, June 20, 2025) – With temperatures expected to rise in the Baltimore region and the heat index forecasted to reach over 100 degrees Fahrenheit for multiple days starting Sunday, June 22nd, the Baltimore City Interim Commissioner of Health Mary Beth Haller has declared a Code Red Extreme Heat Alert for Sunday, 22^nd through Thursday, June 26^th. The heat index is a measure of air temperature and relative humidity and indicates how hot it feels to the human body.  

BALTIMORE, MD (Monday, February 17, 2025) – Interim Health Commissioner Mary Beth Haller has issued a Code Blue Extreme Cold Alert beginning Tuesday, February 18 through Friday morning, February 21. This alert has been issued due to forecasted wind chills reaching the teens and a mix of wintry weather expected Wednesday. These extreme cold conditions could pose significant health risks to residents within the City of Baltimore.  

BALTIMORE, MD (January 17, 2025) – Interim Health Commissioner Mary Beth Haller has issued a Code Blue Extreme Cold Alert beginning Sunday night, January 19 through Thursday, January 23. This alert has been issued due to forecasted single digit wind chills and wintery weather expected Sunday night. Wind chills are projected to reach negative values through Thursday. These extreme cold conditions could pose significant health risks to residents within the City of Baltimore.  

BALTIMORE, MD (Friday, January 3, 2025) – Interim Health Commissioner Mary Beth Haller has issued a Code Blue Extreme Cold Alert beginning Saturday, January 4 extending through Tuesday, January 7. This alert has been issued due to forecasted wind chills expected to dip to 13 degrees overnight Saturday and remain in the teens through Tuesday. These extreme cold conditions, mixed with wintry weather, could pose significant health risks to residents within the City of Baltimore.