GLASGOW, Ky. — Residents across south-central Kentucky should prepare for dangerous heat and humidity Wednesday and Thursday, according to the National Weather Service.

A Special Weather Statement issued early Wednesday morning warns that temperatures climbing into the upper 80s and low 90s, combined with high humidity, will produce peak afternoon heat index values between 100 and 105 degrees.

The advisory includes Barren County and much of central and western Kentucky, including Glasgow, Bowling Green, Horse Cave, Brownsville, Elizabethtown and Louisville.

Forecasters said the early-season heat could catch people off guard, particularly those spending extended periods outdoors.

The National Weather Service recommends drinking plenty of water, wearing light-colored and loose-fitting clothing, and taking frequent breaks in shaded or air-conditioned areas.

Heat-related illnesses can develop quickly during periods of extreme heat and humidity, especially for older adults, young children, outdoor workers and those without access to air conditioning.

The hot and humid conditions are expected to continue through Thursday, with the highest heat index values occurring during the afternoon and early evening hours.

Residents are encouraged to monitor the latest forecasts and take precautions to avoid heat exhaustion and heat stroke.