IDA-certified county park with hilltop viewing pads.
Updated:
· Tonight: Friday, August 14, 2026
📍 SW MI🌑 Bortle 3🚗 Located in Cass County in Michigan's southwest corner, off M-60 near Vandalia.📅 Designated an International Dark Sky Park in 2019.
About Dr. T.K. Lawless Park
Dr. T.K. Lawless Park is an 850-acre Cass County park in southwest Michigan, deeded to the county in 1971 by the physician it's named for. It earned International Dark Sky Park status in 2019, making it one of the closest true dark-sky sites to the Chicago and Detroit metro areas.
What you can see in the sky
Milky Way, star clusters, and planets — respectable for a site this close to major Midwest cities.
Best time of year
Spring through fall on new-moon weekends; the park hosts organized astronomy events through local clubs.
Why this site is worth the drive
850 acres of inland lakes, streams and open fields
One of the more accessible Dark Sky Parks for Chicago-area and Detroit-area visitors
Deeded to the public in 1971 by Dr. Theodore Kenneth Lawless
Practical tips for Dr. T.K. Lawless Park
Check with Cass County Parks for scheduled astronomy nights and any lighting rules
Bring your own gear — this is a county park with minimal on-site astronomy equipment
Live 48-hour forecast
Tonight's verdict above is a build-time snapshot. For the full
hourly view — cloud cover, transparency, seeing, smoke, humidity,
moon altitude and a Bortle-aware tonight score by observing mode
(visual, deep-sky, planetary, astrophoto) — open the live forecast:
The live page combines Open-Meteo weather, US-AQI wildfire smoke,
moon math and Bortle-scale darkness into a single tonight score
(0–100), updated continuously.
Frequently asked questions
Is Dr. T.K. Lawless Park good for stargazing tonight?
Tonight's verdict is No-go (High confidence). Overcast: mean cloud 92%, minimum 56%. Sit this one out.
When is the best time of year to stargaze at Dr. T.K. Lawless Park?
Spring through fall on new-moon weekends; the park hosts organized astronomy events through local clubs.
How long is the drive from Toronto?
Located in Cass County in Michigan's southwest corner, off M-60 near Vandalia.
What can I see in the sky here?
Milky Way, star clusters, and planets — respectable for a site this close to major Midwest cities.
How dark is the sky? (Bortle scale)
Dr. T.K. Lawless Park sits at Bortle class 3 on the 1–9 dark-sky scale, where 1 is a pristine wilderness sky and 9 is an inner-city sky.