Station Name: ILLINOIS RIVER AT SENECA, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 499 feet

Nearest Address:
511 N 2553rd Rd
Seneca, IL 61341
La Salle County

GPS Coordinates: 41.2997222, -88.6141667

Nearby Water Temperatures

Red Flag Warning issued February 18 at 1:00AM CST until February 18 at 8:00PM CST by NWS Chicago IL

Effective: Wed February 18, 2026, 1:00 AM
Expires: Wed February 18, 2026, 9:00 AM

The National Weather Service in Chicago has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM CST this evening. This replaces the Fire Weather Watch that was previously in effect. * Affected Area...Winnebago, Boone, McHenry, Ogle, Lee, De Kalb, Kane, La Salle, Kendall and Grundy. * Timing...From 10 AM this morning to 8 PM CST this evening. * Winds...West 20 to 30 mph with gusts up to 40 to 45 mph. * Relative Humidity...As low as 15 to 20 percent. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Red Flag Warning issued February 18 at 1:00AM CST until February 18 at 8:00PM CST by NWS Chicago IL

Effective: Wed February 18, 2026, 1:00 AM
Expires: Wed February 18, 2026, 9:00 AM

The National Weather Service in Chicago has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM CST this evening. * Affected Area...Livingston. * Timing...From 10 AM this morning to 8 PM CST this evening. * Winds...Southwest 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 17 to 20 percent. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Special Weather Statement issued February 18 at 1:08AM CST by NWS Chicago IL

Effective: Wed February 18, 2026, 1:08 AM
Expires: Wed February 18, 2026, 10:00 AM

The combination of unseasonably warm temperatures, low relative humidity and gusty westerly winds will lead to a heightened threat of brush fire ignition and spread this afternoon. Any fires that ignite may become difficult to control. Outdoor burning is strongly discouraged.

Red Flag Warning issued February 18 at 5:10AM CST until February 18 at 8:00PM CST by NWS Quad Cities IA IL

Effective: Wed February 18, 2026, 5:10 AM
Expires: Wed February 18, 2026, 1:15 PM

...Critical Fire Weather Conditions Today... * AFFECTED AREA...Portions of eastern Iowa and northwest Illinois * TIMING...From Wednesday morning through Wednesday evening. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Fire behavior is expected to be extreme. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Red Flag Warning issued February 18 at 12:18AM CST until February 18 at 8:00PM CST by NWS Lincoln IL

Effective: Wed February 18, 2026, 12:18 AM
Expires: Wed February 18, 2026, 12:30 PM

The National Weather Service in Lincoln has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM this morning to 8 PM CST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Knox, Stark and Marshall. * TIMING...From 10 AM this morning to 8 PM CST this evening. * 20 FOOT WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 16 percent. * 10 HOUR FUELS...Less than 8 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.