| Heat Index |
Possible Heat Disorder |
| 130°F or greater |
Heat stroke highly likely with continued exposure. |
| 105°F to 129°F |
Sunstroke, heat cramps, and heat exhaustion likely, and heatstroke possible. |
| 90°F to 104°F |
Sunstroke, heat cramps and heat exhaustion possible. |
| 80°F to 89°F |
Fatigue possible with prolonged exposure and physical activity. |