1. North Region Illinois
Best window: Sunday 3:00 AM-6:00 AM CDT
Darkness: B2 (Zone class: CONDITIONAL)
Milky Way visibility | Illinois
Illinois: Milky Way planning tonight
Best window: Sunday 3:00 AM-6:00 AM CDT
State signal: 90 (Usable tonight with some cloud sensitivity.)
Plan for darker horizons and lower moon interference inside the best-window range.
Top Illinois locations
Best current candidates
2. Central Region Illinois
Best window: Sunday 3:00 AM-6:00 AM CDT
Darkness: B3 (Zone class: CONDITIONAL)
3. South Region Illinois
Best window: Sunday 3:00 AM-6:00 AM CDT
Darkness: B3 (Zone class: CONDITIONAL)