Extreme Heat Risk by US State — Maps, Data & Home Preparedness | HomeRiskMap

Extreme heat is the deadliest weather hazard in the US, and heat waves are growing longer and hotter.

How to prepare your home

Never leave people or pets in parked vehicles.
Use air conditioning or locate your nearest public cooling center.
Add attic insulation, reflective roofing or shade trees to keep your home cooler.
Check on elderly neighbors and family during heat waves.
Stay hydrated and avoid strenuous outdoor activity during peak heat.

Official sources

All states ranked by extreme heat risk

Arizona Arizona is among the most exposed states in the nation when it comes to extreme heat. The risk is very high,… Very High Florida Florida is among the most exposed states in the nation when it comes to extreme heat. The risk is very high,… Very High Louisiana Louisiana is among the most exposed states in the nation when it comes to extreme heat. The risk is very… Very High Nevada Nevada is among the most exposed states in the nation when it comes to extreme heat. The risk is very high,… Very High Texas Texas is among the most exposed states in the nation when it comes to extreme heat. The risk is very high,… Very High Alabama Alabama faces a high risk of extreme heat, with long, humid summers and frequent heat advisories from May… High Arkansas extreme heat represents a high risk for homeowners in Arkansas. Damaging events occur frequently, and… High California extreme heat represents a high risk for homeowners in California. Damaging events occur frequently, and… High Georgia extreme heat represents a high risk for homeowners in Georgia. Damaging events occur frequently, and… High Kansas extreme heat represents a high risk for homeowners in Kansas. Damaging events occur frequently, and preparing… High Mississippi extreme heat represents a high risk for homeowners in Mississippi. Damaging events occur frequently, and… High Missouri extreme heat represents a high risk for homeowners in Missouri. Damaging events occur frequently, and… High New Mexico extreme heat represents a high risk for homeowners in New Mexico. Damaging events occur frequently, and… High Oklahoma extreme heat represents a high risk for homeowners in Oklahoma. Damaging events occur frequently, and… High South Carolina extreme heat represents a high risk for homeowners in South Carolina. Damaging events occur frequently, and… High Colorado Colorado has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Delaware Delaware has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate District of Columbia District of Columbia has a moderate risk of extreme heat. Damaging events happen regularly enough that… Moderate Idaho Idaho has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Illinois Illinois has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Indiana Indiana has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Iowa Iowa has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Kentucky Kentucky has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Maryland Maryland has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Nebraska Nebraska has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate New Jersey New Jersey has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners… Moderate North Carolina North Carolina has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners… Moderate South Dakota South Dakota has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners… Moderate Tennessee Tennessee has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Utah Utah has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Virginia Virginia has a moderate risk of extreme heat. Damaging events happen regularly enough that homeowners should… Moderate Connecticut extreme heat poses a low risk in Connecticut. Significant events are infrequent, but localized incidents do… Low Hawaii extreme heat poses a low risk in Hawaii. Significant events are infrequent, but localized incidents do occur… Low Massachusetts extreme heat poses a low risk in Massachusetts. Significant events are infrequent, but localized incidents do… Low Michigan extreme heat poses a low risk in Michigan. Significant events are infrequent, but localized incidents do… Low Minnesota extreme heat poses a low risk in Minnesota. Significant events are infrequent, but localized incidents do… Low Montana extreme heat poses a low risk in Montana. Significant events are infrequent, but localized incidents do occur… Low New York extreme heat poses a low risk in New York. Significant events are infrequent, but localized incidents do… Low North Dakota extreme heat poses a low risk in North Dakota. Significant events are infrequent, but localized incidents do… Low Ohio extreme heat poses a low risk in Ohio. Significant events are infrequent, but localized incidents do occur… Low Oregon extreme heat poses a low risk in Oregon. Significant events are infrequent, but localized incidents do occur… Low Pennsylvania extreme heat poses a low risk in Pennsylvania. Significant events are infrequent, but localized incidents do… Low Rhode Island extreme heat poses a low risk in Rhode Island. Significant events are infrequent, but localized incidents do… Low Washington extreme heat poses a low risk in Washington. Significant events are infrequent, but localized incidents do… Low West Virginia extreme heat poses a low risk in West Virginia. Significant events are infrequent, but localized incidents do… Low Wisconsin extreme heat poses a low risk in Wisconsin. Significant events are infrequent, but localized incidents do… Low Wyoming extreme heat poses a low risk in Wyoming. Significant events are infrequent, but localized incidents do occur… Low Alaska Alaska faces a very low risk from extreme heat compared with most other states. While major events are… Very Low Maine Maine faces a very low risk from extreme heat compared with most other states. While major events are… Very Low New Hampshire New Hampshire faces a very low risk from extreme heat compared with most other states. While major events are… Very Low Vermont Vermont faces a very low risk from extreme heat compared with most other states. While major events are… Very Low

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