Find My, Photos, iCloud services experienced issues for three hours
For a period of time on Monday morning, Apple's System Status dashboard indicated users may have experienced issues with Find My, iCloud syncing services, Mail, and other tools.

Find My is experiencing a service issue
Problems with various Apple services began at approximately 7:37am and were resolved by 10:28am. Apple indicated only some users were affected by the intermittent issues.
Services affected were:
The appearance on the System Status page confirmed that Apple was aware of the problems and worked to rectify the issues. These issues only lasted about three hours on Monday.
Update 12:00 p.m. Eastern Time: Apple has resolved all issues according to its system status page.
Read on AppleInsider

Find My is experiencing a service issue
Problems with various Apple services began at approximately 7:37am and were resolved by 10:28am. Apple indicated only some users were affected by the intermittent issues.
Services affected were:
- Find My
- iCloud Bookmarks & Tabs
- iCloud Calendar
- iCloud Contacts
- iCloud Drive
- iCloud Keychain
- iCloud Mail
- Photos
The appearance on the System Status page confirmed that Apple was aware of the problems and worked to rectify the issues. These issues only lasted about three hours on Monday.
Update 12:00 p.m. Eastern Time: Apple has resolved all issues according to its system status page.
Read on AppleInsider