Station Name: GRAND CALUMET RIVER AT COLUMBIA AV AT HAMMOND, IN
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 597 feet

Nearest Address:
5225 Columbia Ave
Hammond, IN 46320
Lake County

GPS Coordinates: 41.6186111, -87.4998333

Nearby Water Temperatures

Extreme Heat Warning issued June 30 at 1:51AM CDT until July 3 at 12:00AM CDT by NWS Chicago IL

Effective: Tue June 30, 2026, 1:51 AM
Expires: Tue June 30, 2026, 12:00 PM

* WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until midnight CDT Thursday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Dangerous heat is now expected to persist through Thursday. Thunderstorms may begin to bring some relief from the heat by Thursday afternoon or evening.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for elderly friends or family members, or for information on finding the nearest cooling center. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.