Mississippi heat rules for high school sports.
Mississippi mandates WBGT for outdoor-practice decisions and expressly allows free WBGT smartphone apps. Its public 2026 guidance does not publish numeric bands, so PracticeCast does not invent them.
What coaches need to know
- MHSAA mandates WBGT readings to determine outdoor-practice safety.
- The official guidance lists WeatherBug, Zelus WBGT, Carrot Weather, and Weather FX as available free smartphone options.
- As WBGT rises, schools must shorten practice and increase rest and hydration breaks.
- A cold-water immersion tub remains required for outdoor practices.
- The public guidance does not provide numeric modification bands; follow the school's distributed MHSAA implementation materials.
No statewide numeric table is shown. The public source provides guidance without one complete operational action table, so PracticeCast does not invent thresholds.
Check my location’s forecastRead the official source
Use the current governing document. Local schools, districts, leagues, activities, and medical staff may apply additional or stricter requirements.