Best Time to See Owls in Illinois
April, January and May is the best time to see owls in Illinois. Based on 4,215 verified iNaturalist observations, here is exactly when owls are most active across the year in Illinois.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
4,215 verified observations of owls in Illinois, recorded across 12 months of the year on iNaturalist.
When owls are recorded in Illinois
Peak month
April
708 records (16.8% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 489 | 11.6% |
| February | 339 | 8% |
| March | 427 | 10.1% |
| Aprilpeak | 708 | 16.8% |
| Maypeak | 478 | 11.3% |
| June | 255 | 6% |
| July | 171 | 4.1% |
| August | 218 | 5.2% |
| September | 186 | 4.4% |
| October | 198 | 4.7% |
| November | 381 | 9% |
| December | 365 | 8.7% |
Owls you are most likely to see
| Species | Verified observations |
|---|---|
| Great Horned Owl | 1,620 |
| Barred Owl | 1,201 |
| Eastern Screech-Owl | 307 |
| Snowy Owl | 282 |
| Long-eared Owl | 263 |
| Short-eared Owl | 256 |
| Northern Saw-whet Owl | 127 |
| American Barn Owl | 47 |
Sightings of owls in Illinois peak in April, when 708 of the year's 4,215 verified observations are logged — about 16.8% of the annual total. Activity stays high through April, January and May.
The quietest stretch is July, September and October, when owls are hardest to find — July sees just 171 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The owls you are most likely to encounter in Illinois are Great Horned Owl, Barred Owl and Eastern Screech-Owl — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see owls in Illinois
- Lewis & Clark National Historic Trail — National Historic Trail
- Lincoln Home National Historic Site — National Historic Site
- Emmett Till and Mamie Till-Mobley National Monument — National Monument
- Mormon Pioneer National Historic Trail — National Historic Trail
- New Philadelphia National Historic Site — National Historic Site
- Pullman National Historical Park — National Historical Park
Plan your owl trip in Illinois
Start with live tours near Lewis & Clark National Historic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Lewis & Clark National Historic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main owl viewing area.
Booking.com
Stay nearbyStay near Lewis & Clark National Historic Trail
Compare hotels, cabins and lodges close to the best owl viewing area in Illinois.
Viator
Broader backupBook a owl tour in Illinois
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Gear to see them
Frequently asked questions
What is the best month to see owls in Illinois?+
April is the single best month, and the broader peak window runs through April, January and May, based on 4,215 verified iNaturalist observations.
When are owls hardest to see in Illinois?+
July is the quietest month for owls in Illinois, with only 171 verified records.
Are owls active year-round in Illinois?+
Owls are recorded in 12 of 12 months in Illinois, so they can be seen year-round, with a clear peak in April.
More places to see owls
More wildlife in Illinois