The primary criteria we consider when making a decision includes:
  • The safety and well-being of students and staff
  • Severity of the weather
  • Timing of weather
  • Wind chill (-35°F or colder)
  • The condition of our buildings
  • The ability of buses and cars to travel safely
We try to notify parents:
By no later than 6 am the day of the cancellation or late start
Parents will be notified by:
    • BrightArrow Notification System
    • District website
    • Facebook
    • Twitter
    • Radio
    • TV
To stay informed:
    • Check your school home page
    • Follow us on Facebook and Twitter
If schools are not closed:

Families should assume that classes are in session unless otherwise notified.

School Closings


Should severe weather or other emergency situation require District 67 schools to close, parents/guardians will be notified using the BrightArrow Notification System, through an emergency alert message posted on the District website and all school pages. You may also check or listen for an announcement from 6:30 a.m. to 8:00 a.m. on the following radio stations: WGN (720 AM), and WBBM (780 AM), and the following TV stations: CBS, ABC, NBC, WGN, FOX and CLTV News. Our official title is Lake Forest School District 67.


If the District determines a late start is needed due to inclement weather or other emergency situation, parents/guardians will be notified using the BrightArrow Notification System and through an emergency alert message posted on the District website and all school pages. Schools will begin two hours later than usual. Buses will run regular morning routes two hours later than the originally scheduled times. Dismissal times and afternoon bus routes and times will remain as originally scheduled. Morning PreK (Community of Learners Preschool) will be cancelled. (See School Hours for more information.)


The BrightArrow system is the primary means of notification by the district and will be utilized to notify all households and parents within minutes of an emergency or unplanned event that causes an early dismissal, school cancellation, or a late start. An alert will be sent using the contact information you provided when you registered your student for school (during InfoSnap online registration). If you wish to receive notification using other devices, you must update your profile by logging into the BrightArrow website. (For instructions, please click on the link below.)

BrightArrow Instructions



District 67’s first priority is the safety of our students, staff, and parents. The decision to close our schools, or adjust our start or dismissal times for an emergency-related situation is a complicated one and based on a number of factors.

Although the District uses the following sources to guide the decision, the Superintendent and District Administrators will make the final call to close school.

  • NOAA National Weather Service (NWA) updates and Wind Chill report.
  • Local weather forecast services.
  • Local law enforcement and city agencies.
  • Reports from our bus company.
  • Reports from our Buildings/Grounds staff.
  • Conversations with neighboring school district administrators.

Road conditions and the possibility of dangerously unsafe temperatures are the main factors that drive the decision. If we need to close or delay the start of school, parents will be notified using our BrightArrow Notification System and through postings on our website.

For winter weather health and safety information, visit the CDC website.


Wind Chill Warning

Schools will be closed under the condition of a WIND CHILL WARNING. A wind chill warning indicates that life-threatening conditions and a risk to safety exists. Measures should be taken to safeguard life and property immediately. A wind chill warning is typically issued when the wind chill will be -30°F or colder OR the actual air temperature is -15°F or less.

Severe Cold School Closure: Wind Chill Warning

  • Classes will be cancelled and school closure protocols will be instituted.
  • All notification systems will be leveraged to send school cancellation communications to families.
  • Extracurricular activities will be suspended while the wind chill warning is in effect.

Wind Chill Advisory

A WIND CHILL ADVISORY is issued when conditions do not meet the wind chill warning criteria but still cause significant inconvenience. The weather during a wind chill advisory is not life threatening but presents conditions that may result in inconveniences or pose moderate risk to safety. A wind chill advisory is typically issued when the wind chill is -20°F to -29°F OR the actual air temperature is -5°F to -14°F.

Severe Cold Action: Wind Chill Advisory

  • Schools will be open and student attendance is expected.
  • Extracurricular activities will be evaluated and may be suspended if conditions persist.
  • All outdoor student activities will be suspended.
  • Any evacuation drills scheduled will be cancelled and rescheduled to a more weather-appropriate day.

The National Weather Service will be the meteorological source to determine and declare a wind chill warning or wind chill advisory.

Guidelines for Outdoor Recess

District 67 has a general guideline that students will go outside if the temperature is 15°F or higher. However, we also take other factors into account (wind chill, frostbite index, sunshine) in making the daily determination. If the sun is shining and the wind speed is low, we may send students out when the air temperature is slightly below 15°F. We also have the option of shortening the time students spend outside if needed. During winter months, always have your children dress for outdoor weather (coat, snow pants, gloves, hat, and boots).