Can you swim here today?
Ramsey Slough
Illinois · River
Use caution — an official advisory is in effect
Use cautionAs of August 21, 2026, USGS gauge 05443500, 4.3 miles away, reports a streamflow of 3,850 ft³/s near Ramsey Slough but no water-temperature reading.
Use caution — an official advisory is in effect: live streamflow is available but no water-temperature sensor is nearby.
- Live streamflow is available but no water-temperature sensor is nearby. — USGS gauge 05443500, as of Aug 21, 6:00 PM gauge-local time
- A Severe Thunderstorm Watch is in effect for Clinton, IA; Dubuque, IA; Jackson, IA; Scott, IA; Bureau, IL; Carroll, IL; Henry, IL and other areas. — NWS Quad Cities IA IL
- Flow is within the normal range (25th–75th percentile) for Aug 22 (median 3,460 ft ³/s over 85 years). — USGS daily streamflow statistics, as of Aug 21, 6:00 PM gauge-local time
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 22 (median 3,460 ft³/s over 85 years).
No official beach-advisory feed for Illinois yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge ROCK RIVER AT COMO, IL (4.3 mi away), as of Aug 21, 6:00 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.