40 DEGREE RULE: NO OUTSIDE PRACTICES OR GAMES WHEN WIND CHILL IS BELOW 40 DEGREES
The decision will be made at least 2 hours prior to event time based on the forecast at that time. (this is due to notifications to be sent to umpire association, families making evening scheduling adjustments)
Coaches are responsible for monitoring wind chill for practices.
The official source for wind chill is the National Weather Service
Link to National Weather Service Marietta forecast