Illinois State Parks · Illinois
Prophetstown State Park
Illinois State Parks · Illinois, United States · in Prophetstown State Recreation Area
- Group sites
- Yes
- Drinking water
- Yes
- Showers
- Yes
- Pets
- Yes
- Elevation
- 636 ft
- Dark sky
- Bortle class 4
- Cell coverage
- AT&T weak · T-Mobile good · Verizon good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Nearest town
- Prophetstown
- Address
- Riverside Drive, Prophetstown, IL 61277
- Phone
- (815) 772-4708
- Activities
- Camping, Group Camping
About
Prophetstown State Park is an Illinois DNR state park in the Northwest region of Illinois. Camping site types: Class A (showers, electricity, vehicular access); Class B/S (showers, vehicular access, no electric). Also offers: Youth group camping. Pets ARE allowed (leashed, with water, never left unattended or in a parked vehicle) - IDNR's general statewide practice, confirmed via Starved Rock State Park's own IDNR FAQ. No online reservation system for this site per IDNR's own live Camp Classifications table (dnr.illinois.gov/parks/camp/camp-classifications.html) - camping here is first-come, first-served, or by calling the park office directly.
Fees
Class A: $20/night ($30 holiday weekends) - showers, electricity, vehicular access. Class B/S: $10/night - showers and vehicular access, no electric. Youth group (Class Y): $2/person/night, $20/day minimum. Reservation fee $5/reservation (non-refundable) plus first night's camping fee; camping fees refunded if cancelled online 3+ days before arrival. Discounts (about half the listed camping fee, full utility fee still applies) for Illinois residents 62+ or disabled with a Class 2/2A card; Illinois disabled veterans and POWs camp free aside from the utility fee; no entrance fee to any Illinois state park (dnr.illinois.gov).
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 29° | 13° | -19° | 53° | 11 of 11 |
| February | 35° | 19° | -14° | 65° | 11 of 11 |
| March | 49° | 30° | 3° | 76° | 10 of 11 |
| April | 61° | 40° | 24° | 81° | 5 of 11 |
| May | 73° | 53° | 37° | 88° | 0 of 11 |
| June | 83° | 63° | 49° | 93° | 0 of 11 |
| July | 84° | 68° | 58° | 92° | 0 of 11 |
| August | 82° | 66° | 56° | 92° | 0 of 11 |
| September | 80° | 60° | 51° | 91° | 0 of 11 |
| October | 62° | 45° | 28° | 83° | 2 of 10 |
| November | 50° | 32° | 6° | 73° | 7 of 10 |
| December | 37° | 24° | -8° | 69° | 10 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Morrison Rockwood State Park · Illinois State Parks · 12 mi
- Gary McDermott RV Campground · City, County & Regional Parks · 18 mi · 28 sites
- Rock Creek Marina & Campground · City, County & Regional Parks · 20 mi
- Thomson Causeway · Army Corps of Engineers · 22 mi · 133 sites
- Green River State Wildlife Area · Illinois State Parks · 22 mi
All public campgrounds in Illinois · Every state and province · Facts read from the operator 2026-08-25. Confirm fees, rules and current status with the operator before you go.