Extreme Heat Warning

Locations Affected

Manchester, NH ∙ Nashua, NH ∙ Marlow, NH ∙ Hillsborough, NH ∙ Salisbury, NH ∙ Loudon, NH ∙ Westmoreland, NH ∙ Guild, NH ∙ Richmond, NH ∙ Mont Vernon, NH

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Gray ME 757 PM EDT Sun Jun 22 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM EDT TUESDAY... ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 108 expected. * WHERE...Western and Central Hillsborough, Merrimack, Sullivan, Cheshire, and Eastern Hillsborough Counties. * WHEN...From 11 AM Monday to 8 PM EDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed.

---