Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

61.2°F

Measurement Time: Sunday, May 3, 2026, 1:30 PM CDT

Temperature Locations

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Local Points of Interest

Florence Bridge

Illinois River

Station 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

73°F
Partly cloudy
Partly cloudy
76.4°F
68.8°F
41%
WSW 6.9 mph
14.6 mph
68.8°F
48.9°F
0 in
50%
9 mi
1009 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 81°F
L: 40°F
Patchy rain nearby
Mon
H: 75°F
L: 56°F
Moderate rain
Tue
H: 55°F
L: 49°F
Patchy rain nearby
Wed
H: 53°F
L: 43°F
Patchy rain nearby
Thu
H: 63°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 10.05 μg/m3
PM10: 11.05 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 12.85 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:00 PM
Sunset: 7:59 PM
Daylight: 13 hrs 58 mins
Moonrise: 10:27 PM
Moon Transit: 2:05 AM
Moonset: 6:40 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
1:55 PM - 4:25 PM

Minor Periods

9:57 PM - 11:27 PM
6:10 AM - 7:40 AM

Action Rating: 4 out of 5

Flood Warning issued May 2 at 8:24PM CDT until May 10 at 1:00AM CDT by NWS St Louis MO

Effective: Sat May 2, 2026, 8:24 PM
Expires: Mon May 4, 2026, 8:30 AM

...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 Sunday, May 10. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 15.2 feet and falling. - Recent Activity...The river rose above flood stage on April 27. It crested near 15.4 feet on May 1. - Forecast...The river is expected to fall below flood stage Friday evening and continue falling over the following days. - 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 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 2 at 8:19PM CDT until May 4 at 7:00PM CDT by NWS St Louis MO

Effective: Sat May 2, 2026, 8:19 PM
Expires: Mon May 4, 2026, 8:30 AM

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Mel Price LD. Mississippi River at Chester. Mississippi River at Grafton. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Winfield. Mississippi River at Clarksville. 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...Mississippi River at Louisiana. * WHEN...Until Monday evening. * IMPACTS...At 15.0 feet, The first quarter mile of Edison Avenue beyond the railroad tracks begins flooding near this height. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 15.8 feet and falling. - Recent Activity...The river rose above flood stage on April 9. It crested near 18.8 feet on April 28. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling over the following days. - Flood stage is 15.0 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 10:29AM CDT until May 4 at 7:00PM CDT by NWS St Louis MO

Effective: Sun May 3, 2026, 10:29 AM
Expires: Mon May 4, 2026, 7:00 PM

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Mel Price LD. Mississippi River at Chester. Mississippi River at Grafton. Mississippi River at Winfield. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. 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...Mississippi River at Louisiana. * WHEN...Until Monday evening. * 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 16.3 feet. - Forecast...The river is expected to fall below flood stage this afternoon. - Flood stage is 15.0 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 2 at 8:24PM CDT by NWS St Louis MO

Effective: Sat May 2, 2026, 8:24 PM
Expires: Mon May 4, 2026, 8:30 AM

...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 8:00 PM CDT Saturday the stage was 28.0 feet and falling. - Recent Activity...The river rose above flood stage on April 18, cresting near 28.8 feet on May 1. - Forecast...The river is expected to continue a slow fall, but remain above flood stage. It is expected to fall as low as 25.8 feet by Saturday, May 09. - 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
Sunday, May 3, 2026

Weather Forecast

Sunny
81.3°F
39.9°F
59.6°F
55%
0 in
0%
0%
20.4 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 7.79 μg/m3
PM10: 8.78 μg/m3
Carbon Monoxide: 165.69 μg/m3
Nitrogen Dioxide: 5.95 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 81.08 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:00 PM
Sunset: 7:59 PM
Daylight: 13 hrs 58 mins
Moonrise: 10:27 PM
Moon Transit: 2:05 AM
Moonset: 6:40 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
1:55 PM - 4:25 PM

Minor Periods

9:57 PM - 11:27 PM
6:10 AM - 7:40 AM

Action Rating: 4 out of 5

Monday, May 4, 2026

Weather Forecast

Patchy rain nearby
74.5°F
55.5°F
64.8°F
72%
0.12 in
85%
0%
16.6 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 8.09 μg/m3
PM10: 8.81 μg/m3
Carbon Monoxide: 161.69 μg/m3
Nitrogen Dioxide: 6.23 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 81.96 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:00 PM
Sunset: 8:00 PM
Daylight: 14 hrs mins
Moonrise: 11:23 PM
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 AM
2:45 PM - 5:15 PM

Minor Periods

12:00 AM - 12:00 AM
6:51 AM - 8:21 AM

Action Rating: 2 out of 5

Tuesday, May 5, 2026

Weather Forecast

Moderate rain
55°F
49.3°F
52.9°F
88%
0.46 in
86%
0%
13.4 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 5.11 μg/m3
PM10: 5.67 μg/m3
Carbon Monoxide: 150.45 μg/m3
Nitrogen Dioxide: 4.29 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 82.84 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:00 PM
Sunset: 8:01 PM
Daylight: 14 hrs 2 mins
Moonrise: 12:23 AM
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 AM
3:37 PM - 6:07 PM

Minor Periods

7:40 AM - 9:10 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, May 6, 2026

Weather Forecast

Patchy rain nearby
53.1°F
43.2°F
47.6°F
84%
0.18 in
79%
0%
7.2 mph
4.8


Air Quality

AQI: 1 - Good
PM2.5: 2.55 μg/m3
PM10: 2.88 μg/m3
Carbon Monoxide: 150.33 μg/m3
Nitrogen Dioxide: 4.38 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 70.16 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:00 PM
Sunset: 8:02 PM
Daylight: 14 hrs 4 mins
Moonrise: 12:13 AM
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 AM
4:28 PM - 6:58 PM

Minor Periods

8:35 AM - 10:05 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
63.3°F
42.8°F
53°F
76%
0.05 in
79%
0%
13 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 3.67 μg/m3
PM10: 3.96 μg/m3
Carbon Monoxide: 163.35 μg/m3
Nitrogen Dioxide: 6.03 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 57.31 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 7 mins
Moonrise: 12:56 AM
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 AM
5:17 PM - 7:47 PM

Minor Periods

9:35 AM - 11:05 AM
12:26 AM - 1:56 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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