Water Temperature of the Illinois River in Florence, IL
Current Water Temperature
Measurement Time: Monday, May 4, 2026, 2:15 AM CDT
Temperature Locations
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Local Points of Interest
Florence BridgeStation Name: ILLINOIS RIVER AT FLORENCE, IL
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 427 feet
Nearest Address:
State Rte 100
Florence, IL 62363
Pike County
GPS Coordinates: 39.63277778, -90.6077778
Nearby Water Temperatures
Illinois River, La Grange, IL (21.6 mi)Mississippi River, Clarksville, MO (23.9 mi)
Mississippi River, Saverton, MO (34.1 mi)
Mississippi River, Cap Au Gris, MO (43.7 mi)
Mississippi River, Quincy, IL (47.4 mi)
Lick Creek, Springfield, IL (48.5 mi)
Sugar Creek, Chatham, IL (50.5 mi)
Mississippi River, Alton, IL (58.4 mi)
Missouri River, St Charles, MO (59 mi)
Mississippi River, Canton, MO (59.7 mi)
Mason Tazewell Drainage Ditch, Topeka, IL (60.4 mi)
Mississippi River, Keokuk, IA (66.4 mi)
Missouri River, Labadle, MO (74.8 mi)
Missouri River, Hermann, MO (77.8 mi)
Illinois River, Peoria, IL (86.4 mi)
Weather for Florence, Illinois
Current Weather

Five Day Weather Forecast

Mon
H: 83°F
L: 57°F

Tue
H: 58°F
L: 48°F

Wed
H: 55°F
L: 44°F

Thu
H: 62°F
L: 43°F

Fri
H: 65°F
L: 46°F
Air Quality
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 114 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:00 PM
Daylight: 14 hrs mins
Moon Transit: 2:55 AM
Moonset: 7:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
2:25 AM - 4:55 AM2:45 PM - 5:15 PM
Minor Periods
12:00 AM - 12:00 AM6:51 AM - 8:21 AM
Action Rating: 2 out of 5
Flood Warning issued May 3 at 10:13AM CDT until May 10 at 1:00AM CDT by NWS St Louis MO
Effective: Sun May 3, 2026, 10:13 AM
Expires: Mon May 4, 2026, 10:15 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Valley City. * WHEN...Until late Saturday night. * ADDITIONAL DETAILS... - At 10:00 AM CDT Sunday the stage was 15.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 15.3 feet. - Forecast...The river is expected to fall below flood stage Friday evening. - Flood stage is 14.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued May 3 at 8:30PM CDT until May 10 at 1:00AM CDT by NWS St Louis MO
Effective: Sun May 3, 2026, 8:30 PM
Expires: Tue May 5, 2026, 8:30 AM
...The Flood Warning continues for the following river in Illinois... Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Valley City. * WHEN...Until late Saturday night. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 8:00 PM CDT Sunday the stage was 15.0 feet. - Forecast...The river is expected to fall below flood stage Friday evening. - Flood stage is 14.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued May 3 at 10:13AM CDT by NWS St Louis MO
Effective: Sun May 3, 2026, 10:13 AM
Expires: Mon May 4, 2026, 10:15 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 10:00 AM CDT Sunday the stage was 27.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 28.3 feet. - Forecast...The river is expected to continue a slow fall, but remain above flood stage. It is expected to fall as low as 25.9 feet by Friday, May 08. - Flood stage is 25.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued May 3 at 8:30PM CDT by NWS St Louis MO
Effective: Sun May 3, 2026, 8:30 PM
Expires: Tue May 5, 2026, 8:30 AM
...The Flood Warning continues for the following river in Illinois... Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 8:00 PM CDT Sunday the stage was 27.0 feet. - Forecast...The river is expected to continue to fall to near 26.6 feet Tuesday morning. - Flood stage is 25.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued May 3 at 8:55PM CDT by NWS Lincoln IL
Effective: Sun May 3, 2026, 8:55 PM
Expires: Mon May 4, 2026, 1:00 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Mason, Fulton and Cass Counties. Illinois River at Beardstown affecting Schuyler, Brown, Morgan and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 17.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Sunday was 18.0 feet. - Forecast...The river is expected to remain near 17.9 feet for the next couple of days, then begin a slow fall. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov.
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.09 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 82.56 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:00 PM
Daylight: 14 hrs mins
Moon Transit: 2:55 AM
Moonset: 7:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
2:25 AM - 4:55 AM2:45 PM - 5:15 PM
Minor Periods
12:00 AM - 12:00 AM6:51 AM - 8:21 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 78.76 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:01 PM
Daylight: 14 hrs 2 mins
Moon Transit: 3:46 AM
Moonset: 8:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
3:16 AM - 5:46 AM3:37 PM - 6:07 PM
Minor Periods
7:40 AM - 9:10 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.09 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 75.64 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:02 PM
Daylight: 14 hrs 4 mins
Moon Transit: 4:37 AM
Moonset: 9:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
4:07 AM - 6:37 AM4:28 PM - 6:58 PM
Minor Periods
8:35 AM - 10:05 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.69 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 74.72 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 7 mins
Moon Transit: 5:28 AM
Moonset: 10:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
4:58 AM - 7:28 AM5:17 PM - 7:47 PM
Minor Periods
9:35 AM - 11:05 AM12:26 AM - 1:56 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.04 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 57.38 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:04 PM
Daylight: 14 hrs 9 mins
Moon Transit: 6:16 AM
Moonset: 11:08 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
5:46 AM - 8:16 AM6:05 PM - 8:35 PM
Minor Periods
10:38 AM - 12:08 AM1:01 AM - 2:31 AM
Action Rating: 3 out of 5
