WATER TEMPERATURE DIRECTORY

Illinois
water temperature

Explore local water maps in Illinois, from lakes to the coast. Each area has its own page, including locations with no available station reading.

Cities beginning with O

51 locations in Illinois. Choose a location for its local map and data availability.

• O'Fallon IL
• Oak Brook IL
• Oak Forest IL
• Oak Grove IL
• Oak Lawn IL
• Oak Park IL
• Oak Run IL
• Oakbrook Terrace IL
• Oakdale IL
• Oakford IL
• Oakland IL
• Oakwood IL
• Oakwood Hills IL
• Oblong IL
• Oconee IL
• Odell IL
• Odin IL
• Ogden IL
• Oglesby IL
• Ohio IL
• Ohlman IL
• Okawville IL
• Old Mill Creek IL
• Old Ripley IL
• Old Shawneetown IL
• Olive Branch IL
• Olivet IL
• Olmsted IL
• Olney IL
• Olympia Fields IL
• Omaha IL
• Onarga IL
• Oneida IL
• Opdyke IL
• Ophiem IL
• Oquawka IL
• Orangeville IL
• Oraville IL
• Oreana IL
• Oregon IL
• Orient IL
• Orion IL
• Orland Hills IL
• Orland Park IL
• Osco IL
• Oswego IL
• Ottawa IL
• Otterville IL
• Owaneco IL
• Oxville IL
• Ozark IL

← All Illinois cities and ZIP codes

Geographic coverage and sensor coverage are separate. Readings apply to named stations; a city or ZIP is not a water measurement. Geography from GeoNames (CC BY 4.0) and the US Census Bureau 2025 Gazetteer. About location coverage →