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Minnesota Youth Athletics Services

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Heat Index Guidelines

Heat Index under 95°

All sports:

  • Provide ample amounts of water. This means water should always be available and athletes should take in as much water as they desire.
  • Optional water breaks every 30 minutes for 10 minutes duration.
  • Ice-down towels for cooling
  • Watch/monitor athletes carefully for necessary action
  • Provide cold tubs or child pool for water or ice baths
  • If on artificial turf (not sure how many this would impact) have water source to cool down turf
  • Stay away from energy drinks--water is the best for hydration and recovery
  • Take breaks in shaded areas when possible or in air conditioned buildings or vehicles

 

Here is a link to the MSHSL information.  Please see Part 3 of the MSHSL info.

https://www.mshsl.org/sites/default/files/2020-08/mshsl_policyweatherconditionscompetitionpractice.pdf

The Wet Bulb Globe Temperature chart is a great tool to use. It is more accurate than the heat index.

Also "Click Here" links on page 5. 

 

Heat Index 95° to 99°

All sports:

  • Provide ample amounts of water. This means water should always be available and athletes should take in as much water as they desire.
  • Mandatory water breaks every 30 minutes for 10 minutes duration.
  • Ice-down towels for cooling
  • Watch/monitor athletes carefully for necessary action

Contact sports:

  • Helmets and other possible equipment removed if not involved in contact
  • Provide cold tubs or child pool for water or ice baths
  • If on artificial turf (not sure how many this would impact) have water source to cool down turf
  • Stay away from energy drinks--water is the best for hydration and recovery
  • Take breaks in shaded areas when possible or in air conditioned buildings or vehicles

 

Reduce time of outside activity. Consider postponing practice to later in the day

Re-check temperature and humidity every 30 minutes to monitor for increased Heat Index

 

Here is a link to the MSHSL information.  Please see Part 3 of the MSHSL info.

https://www.mshsl.org/sites/default/files/2020-08/mshsl_policyweatherconditionscompetitionpractice.pdf

The Wet Bulb Globe Temperature chart is a great tool to use. It is more accurate than the heat index.

Also "Click Here" links on page 5. 

 

Heat index 100° to 104°

All sports:

  • Provide ample amounts of water. This means water should always be available and athletes should take in as much water as they desire.
  • Mandatory water breaks every 30 minutes for 10 minutes duration.
  • Ice-down towels for cooling
  • Watch/monitor athletes carefully for necessary action
  • Alter uniform by removing items if possible
  • Reduce time of outside activity as well as indoor activity if air conditioning unavailable
  • Postpone practice to later in day if possible

Contact sports and activities with additional equipment

  • Helmets and other possible equipment removed if not involved in contact or necessary for safety. If necessary for safety, suspend activity.
  • Provide cold tubs or child pool for water or ice baths
  • If on artificial turf (not sure how many this would impact) have water source to cool down turf
  • Stay away from energy drinks--water is the best for hydration and recovery
  • Take breaks in shaded areas when possible or in air conditioned buildings or vehicles

 

 

Re-check temperature and humidity every 30 minutes to monitor for increased Heat Index

 

Here is a link to the MSHSL information.  Please see Part 3 of the MSHSL info.

https://www.mshsl.org/sites/default/files/2020-08/mshsl_policyweatherconditionscompetitionpractice.pdf

The Wet Bulb Globe Temperature chart is a great tool to use. It is more accurate than the heat index.

Also "Click Here" links on page 5. 

 

Heat index above 104°

All sports:

  • Stop all outside activity in practice and/or play, and stop all inside activity if air conditioning is unavailable.
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