Station Name: Seneca
Data Source: USGS

Elevation Above Sea Level: 499 feet

Nearest Address:
Harbor Lane
Seneca, IL 61360
La Salle County

GPS Coordinates: 41.2997, -88.6142

Nearby Water Temperatures

Flood Advisory issued August 1 at 6:39AM CDT until August 1 at 8:15AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 6:39 AM
Expires: Sat August 1, 2026, 8:15 AM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Grundy County in northeastern Illinois... Southeastern Kane County in northeastern Illinois... Western Kendall County in northeastern Illinois... * WHEN...Until 815 AM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - At 635 AM CDT, Doppler radar indicated that the coverage of heavy rain producing showers was decreasing across the advisory area. However, minor flooding is likely ongoing in the advisory area due to the 1 to locally 2 inches of rain that fell overnight. - Some locations that will experience flooding include... Aurora, Batavia, Geneva, Yorkville, Morris, Channahon, Minooka, Plano, Coal City, Montgomery, North Aurora, Sugar Grove, Diamond, Gardner, Mazon and Newark. - http://www.weather.gov/safety/flood

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flash Flood Warning issued August 1 at 6:25AM CDT until August 1 at 9:30AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 6:25 AM
Expires: Sat August 1, 2026, 9:30 AM

FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Kendall County in northeastern Illinois... Northwestern Will County in northeastern Illinois... * Until 930 AM CDT. * At 625 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 to locally 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. 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... Joliet, Naperville, Bolingbrook, Romeoville, Plainfield, Oswego, Lockport, Yorkville, Minooka, Crest Hill, Montgomery, Shorewood, Boulder Hill, Fairmont, Rockdale and Crystal Lawns.

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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flood Advisory issued August 1 at 4:20AM CDT until August 1 at 8:15AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 4:20 AM
Expires: Sat August 1, 2026, 8:15 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Grundy County in northeastern Illinois... Southern Kane County in northeastern Illinois... Kendall County in northeastern Illinois... * WHEN...Until 815 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - At 419 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to locally 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Aurora, St. Charles, Oswego, Batavia, Geneva, Yorkville, Morris, Channahon, Campton Hills, Minooka, Plano, Coal City, Montgomery, North Aurora and Sugar Grove. - http://www.weather.gov/safety/flood

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Flood Advisory issued August 1 at 6:47AM CDT until August 1 at 9:45AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 6:47 AM
Expires: Sat August 1, 2026, 9:45 AM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Western Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Northwestern Will County in northeastern Illinois... * WHEN...Until 945 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. * ADDITIONAL DETAILS... - At 646 AM CDT, Doppler radar indicated that the coverage of heavy rain producing showers was decreasing across the advisory area. However, minor flooding is likely ongoing in the advisory area due to the 1 to locally 2 inches of rain that fell overnight. - Some locations that will experience flooding include... Aurora, Joliet, Naperville, Arlington Heights, Schaumburg, Palatine, Des Plaines, Mount Prospect, Wheaton, Hoffman Estates, Downers Grove, Elmhurst, Lombard, Bartlett and Streamwood. - http://www.weather.gov/safety/flood

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Flood Advisory issued August 1 at 4:55AM CDT until August 1 at 9:45AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 4:55 AM
Expires: Sat August 1, 2026, 9:45 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Western Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Northwestern Will County in northeastern Illinois... * WHEN...Until 945 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. * ADDITIONAL DETAILS... - At 452 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is expected to begin shortly in the advisory area. Rainfall amounts of up to 1 inch have fallen. - Additional rainfall amounts of 1 to to locally 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Aurora, Joliet, Naperville, Elgin, Arlington Heights, Schaumburg, Bolingbrook, Palatine, Des Plaines, Mount Prospect, Wheaton, Hoffman Estates, Downers Grove, Elmhurst, Lombard, Buffalo Grove, Bartlett and Streamwood. - http://www.weather.gov/safety/flood

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.