Can you swim here today?
Kankakee River State Park
Bourbonnais, Illinois · State park
Use caution — an official advisory is in effect
Use cautionAs of August 21, 2026, the water temperature at Kankakee River State Park is 74°F (24°C), measured by USGS gauge 05527000, 6.5 miles away.
Use caution — an official advisory is in effect: a Severe Thunderstorm Watch is in effect for Boone, IL; Cook, IL; De Kalb, IL; DuPage, IL; Ford, IL; Grundy, IL; Iroquois, IL; Kane, IL and other areas.
- A Severe Thunderstorm Watch is in effect for Boone, IL; Cook, IL; De Kalb, IL; DuPage, IL; Ford, IL; Grundy, IL; Iroquois, IL; Kane, IL and other areas. — NWS Chicago IL
- Water temperature is 74°F, within the comfortable 70–86°F range. — USGS gauge 05527000, as of Aug 21, 2:15 PM gauge-local time
No official beach-advisory feed for Illinois yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge KANKAKEE RIVER AT CUSTER PARK, IL (6.5 mi away), as of Aug 21, 2:15 PM gauge-local time.
Before you get in
- Never swim alone — and keep weaker swimmers within arm's reach.
- Scout depth and entry/exit points before you get in.
- Read the current: avoid fast, rising, or murky water.
- Check the forecast — get out well before storms or lightning.
- Obey posted signs, flags, and lifeguard guidance.
Read next
Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.