River Conditions
Water temperatureAlton, IL · as of 3:00 PM
81°F
Mississippi River
Grafton
5-Day
3″
Alton
5-Day
1′
St. Louis
5-Day
2′ 11″
Illinois River
Hardin
5-Day
2″
Missouri River
St. Charles
5-Day
1′ 11″
now 5-day forecast
Sources: USGS · NOAA NWPS · USACE