Station Name: Lockport L&D 2
Data Source: USGS

Elevation Above Sea Level: 561 feet

Nearest Address:
South Powerhouse Drive
Lockport, IL 60434
Will County

GPS Coordinates: 41.5697, -88.0783

Nearby Water Temperatures

Flood Warning issued August 2 at 10:29AM CDT until August 3 at 6:00PM CDT by NWS Chicago IL

Effective: Sun August 2, 2026, 10:29 AM
Expires: Mon August 3, 2026, 4:30 AM

...The Flood Warning continues for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. For the Thorn Creek...including Thornton...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until Monday evening. * IMPACTS...At 13.0 feet, Parking lots threatened at Glenwood Academy. * ADDITIONAL DETAILS... - At 10:00 AM CDT Sunday the stage was 12.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 13.3 feet. - Forecast...The river has crested and is expected to fall below flood stage early tomorrow afternoon. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.

Beach Hazards Statement issued August 2 at 3:38PM CDT until August 3 at 9:00AM CDT by NWS Chicago IL

Effective: Sun August 2, 2026, 3:38 PM
Expires: Sun August 2, 2026, 11:45 PM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 5 to 8 ft expected. * WHERE...Lake IN and Porter Counties. * WHEN...Through Monday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

Small Craft Advisory issued August 2 at 2:48PM CDT until August 3 at 3:00AM CDT by NWS Chicago IL

Effective: Sun August 2, 2026, 2:48 PM
Expires: Sun August 2, 2026, 11:00 PM

* WHAT...North winds to 25 kt and significant waves to 8 ft occasionally to 10 ft. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until 3 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.