IDA-certified — Illinois's only DSP and the darkest spot in the state.
Updated:
· Tonight: Friday, August 14, 2026
📍 East-central IL🌑 Bortle 4🚗 In Champaign County, IL, off County Road 2500N near Oakwood, east of Champaign-Urbana.📅 Designated Illinois's first International Dark Sky Park in 2018.
About Middle Fork
Middle Fork River Forest Preserve, in east-central Illinois, became the state's first International Dark Sky Park in 2018 — and remains the only one in Illinois. It follows the Middle Fork of the Vermilion River, the state's only federally designated Wild and Scenic river.
What you can see in the sky
Milky Way and deep-sky objects — a rare dark pocket amid the light-polluted flatlands of central Illinois.
Best time of year
Fall and winter give the clearest, driest skies; the preserve is open year-round.
Why this site is worth the drive
Illinois's only International Dark Sky Park
Follows Illinois's sole federally designated Wild and Scenic river
Includes the Harry L. Swartz Campground for overnight stays
Practical tips for Middle Fork
Managed by the Champaign County Forest Preserve District — check their site for any lighting or access rules
The Swartz Campground lets you combine an overnight stay with stargazing
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 Middle Fork good for stargazing tonight?
Tonight's verdict is No-go (High confidence). Overcast: mean cloud 94%, minimum 66%. Sit this one out.
When is the best time of year to stargaze at Middle Fork?
Fall and winter give the clearest, driest skies; the preserve is open year-round.
How long is the drive from Toronto?
In Champaign County, IL, off County Road 2500N near Oakwood, east of Champaign-Urbana.
What can I see in the sky here?
Milky Way and deep-sky objects — a rare dark pocket amid the light-polluted flatlands of central Illinois.
How dark is the sky? (Bortle scale)
Middle Fork sits at Bortle class 4 on the 1–9 dark-sky scale, where 1 is a pristine wilderness sky and 9 is an inner-city sky.