***Health Department Extreme Heat Health Alert-July 1, 2026 - July 4, 2026***
Last Updated: June 29, 2026 - 11:34am
The Chester County Health Department has issued an Extreme Heat Alert in response to the National Weather Service forecast for extremely dangerous temperatures and heat index values. This designation is in effect from July 1, 2026 to July 4, 2026 and could be extended if the forecast worsens.
Please click below for helpful resources from the County: