Official Observations from Downtown Chicago Not Available

Downtown Chicago weather observations have not been available since 6:15 AM CDT this Tuesday morning.  Communication with the meteorological observation equipment, located on Northerly Island, has been lost.  We apologize for any inconvenience this outage has caused or may cause. 

A National Weather Service electronics technician has been dispatched to the observation site to determine the cause of the outage, and to attempt to repair or replace any defective or damaged communications equipment found.  

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