HeatRisk
NWS Experimental HeatRisk forecast · 7-day outlook · auto-updates every 15 min
0
Little to NoneLittle to no risk from expected heat.
1
MinorMinor risk for those extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration.
2
ModerateModerate risk for heat-sensitive individuals. Impacts possible in some health systems and heat-sensitive industries.
3
MajorMajor risk for anyone without effective cooling. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
4
ExtremeExtreme, rare, and/or long-duration heat with little to no overnight relief. Impacts likely in most health systems, heat-sensitive industries and infrastructure.
