Station Name: CALUMET SAG CHANNEL AT BLUE ISLAND, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 597 feet

Nearest Address:
13198 Division St
Blue Island, IL 60406
Cook County

GPS Coordinates: 41.65281186, -87.670326

Nearby Water Temperatures

Flood Warning issued July 27 at 3:09PM CDT until July 28 at 1:00PM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 3:09 PM
Expires: Tue July 28, 2026, 9:15 AM

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois...Indiana... Little Calumet River at Munster (Hohman Avenue) affecting Cook and Lake IN Counties. For the Little Calumet River...including Munster (Hohman Avenue)... Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 2:00 PM CDT Monday the stage was 9.3 feet. - The river has begun rising quickly due to earlier heavy rainfall. - Forecast...The river is expected to rise above flood stage by this evening and crest near 12.5 feet late this evening. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood

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 Tuesday morning.

Flash Flood Warning issued July 27 at 2:19PM CDT until July 27 at 5:00PM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 2:19 PM
Expires: Mon July 27, 2026, 5:00 PM

At 219 PM CDT, Doppler radar and automated rain gauges indicate that heavy rain fell across the warned area. Up to 2 inches of rain have fallen. HAZARD...Flash flooding. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Chicago, Orland Park, Tinley Park, Oak Lawn, Calumet City, Chicago Heights, Roseland, Lansing, Oak Forest, Harvey, Blue Island, Dolton, Park Forest, Homewood, Alsip, Matteson, Frankfort, Palos Hills, Steger and South Holland.

A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property.

Heat Advisory issued July 27 at 5:48AM CDT until July 27 at 9:00PM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 5:48 AM
Expires: Mon July 27, 2026, 4:00 PM

* WHAT...For the Heat Advisory, peak heat index values up to 100 to 110 degrees expected. For the Dense Fog Advisory, visibility less than one quarter mile in dense fog. * WHERE...Benton, Jasper, Lake IN, and Newton Counties. * WHEN...For the Dense Fog Advisory, until 8 AM CDT /9 AM EDT/ this morning. For the Heat Advisory, until 9 PM CDT /10 PM EDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Low visibility could make driving conditions hazardous.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Dense Fog Advisory issued July 27 at 5:48AM CDT until July 27 at 8:00AM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 5:48 AM
Expires: Mon July 27, 2026, 4:00 PM

* WHAT...For the Heat Advisory, peak heat index values up to 100 to 110 degrees expected. For the Dense Fog Advisory, visibility less than one quarter mile in dense fog. * WHERE...Benton, Jasper, Lake IN, and Newton Counties. * WHEN...For the Dense Fog Advisory, until 8 AM CDT /9 AM EDT/ this morning. For the Heat Advisory, until 9 PM CDT /10 PM EDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Low visibility could make driving conditions hazardous.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Severe Thunderstorm Watch issued July 27 at 2:19PM CDT until July 27 at 7:00PM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 2:19 PM
Expires: Mon July 27, 2026, 7:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 520 IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 6 COUNTIES IN EAST CENTRAL ILLINOIS IROQUOIS IN NORTHEAST ILLINOIS COOK DUPAGE KANKAKEE LAKE IL WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF BOLINGBROOK, BOURBONNAIS, BUFFALO GROVE, CAROL STREAM, CHESTERTON, CHICAGO, DEMOTTE, DOWNERS GROVE, EVANSTON, FOWLER, GARY, GILMAN, GURNEE, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LEMONT, LOMBARD, MERRILLVILLE, MOROCCO, MUNDELEIN, NAPERVILLE, OAK LAWN, ORLAND PARK, OXFORD, PARK FOREST, PORTAGE, RENSSELAER, ROSELAWN, SCHAUMBURG, VALPARAISO, WATSEKA, WAUKEGAN, WHEATON, AND WILMINGTON.