KEENE, N.H. (MyKeeneNow) The Monadnock Region is under a heat advisory today, with temperatures expected to soar into the upper 80s and heat index values nearing the upper 90s. The advisory, issued by the National Weather Service, remains in effect until 8 p.m. Monday.

The combination of high heat and humidity can pose serious health risks, including heat exhaustion and heat stroke. Residents are urged to stay hydrated, avoid direct sun exposure, and remain in air-conditioned spaces whenever possible. Vulnerable individuals, including the elderly and those with underlying health conditions, should be checked on throughout the day.

Air-conditioned public buildings, such as the Keene Public Library, offer a place to cool down for those without access to adequate indoor cooling.

The advisory covers Cheshire and Sullivan counties in New Hampshire, along with parts of coastal Cumberland County in Maine. The weather service advises all residents to take precautions and limit strenuous outdoor activities during the hottest part of the day.

According to the Centers for Disease Control and Prevention (CDC) the symptoms of heat exhaustion include heavy sweating, cold/pale/clammy skin, a fast and weak pulse, nausea or vomiting, muscle cramps, tiredness or weakness, dizziness, headache, and fainting. If you or someone you know is experiencing heat exhaustion they should move to a cool place, loosen their clothes, put cool, wet cloths on or take a cool bath, and sip water.

Symptoms of heat stroke include a body temperature of 103 degrees Fahrenheit or higher, hot and red dry or damp skin, a fast and strong pulse, headache, dizziness, nausea, confusion, and loss of consciousness. Heat stroke is a medical emergency, so call 911 immediately, move the person to a cooler place, help lower their temperature with cool cloths or a cool bath, and do not give them anything to drink.