Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

62.4°F

Measurement Time: Friday, May 1, 2026, 8:30 AM 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

60.6°F
Partly cloudy
Partly cloudy
60.6°F
59°F
35%
WNW 6.5 mph
7.9 mph
58.8°F
29.8°F
0 in
50%
9 mi
1018 mbar
3

Five Day Weather Forecast

Sunny
Fri
H: 60°F
L: 40°F
Patchy rain nearby
Sat
H: 56°F
L: 39°F
Patchy rain nearby
Sun
H: 73°F
L: 41°F
Patchy rain nearby
Mon
H: 71°F
L: 57°F
Moderate rain
Tue
H: 55°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 12.65 μg/m3
PM10: 14.25 μg/m3
Carbon Monoxide: 163.85 μg/m3
Nitrogen Dioxide: 5.75 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:00 PM
Sunset: 7:57 PM
Daylight: 13 hrs 53 mins
Moonrise: 8:23 PM
Moon Transit: 12:31 AM
Moonset: 5:36 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
12:19 AM - 2:49 PM

Minor Periods

7:53 PM - 9:23 PM
5:06 AM - 6:36 AM

Action Rating: 4 out of 5

Flood Warning issued April 30 at 9:17PM CDT by NWS St Louis MO

Effective: Thu April 30, 2026, 9:17 PM
Expires: Sat May 2, 2026, 9:30 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Meredosia. 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 further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 15.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 15.2 feet. - Forecast...The river is expected to rise to a crest of 15.3 feet tomorrow morning. - 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 1 at 12:46PM CDT by NWS St Louis MO

Effective: Fri May 1, 2026, 12:46 PM
Expires: Sun May 3, 2026, 1:00 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Meredosia. 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 further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 12:30 PM CDT Friday the stage was 15.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:30 PM CDT Friday was 15.3 feet. - Forecast...The river is expected to rise to a crest of 15.4 feet just after midnight tonight. - 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 April 30 at 9:26PM CDT until May 3 at 4:00AM CDT by NWS St Louis MO

Effective: Thu April 30, 2026, 9:26 PM
Expires: Sat May 2, 2026, 9:30 AM

...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River near Herculaneum. Mississippi River at Chester. Mississippi River at Alton. Mississippi River at Grafton. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Mel Price LD. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. ...The Flood Warning is cancelled for the following rivers in Missouri...Illinois... Mississippi River at St. Louis. 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 Saverton. * WHEN...Until late Saturday night. * IMPACTS...At 15.5 feet, An access road to riverside raised homes on the riverward side of the Sny levee begins to flood near this level. * ADDITIONAL DETAILS... - At 6:00 PM CDT Thursday the stage was 17.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:00 PM CDT Thursday was 18.0 feet. - Forecast...The river is expected to fall below flood stage late tomorrow evening and continue falling to 11.9 feet Thursday, May 07. - Flood stage is 16.0 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 April 30 at 9:26PM CDT until May 3 at 10:00PM CDT by NWS St Louis MO

Effective: Thu April 30, 2026, 9:26 PM
Expires: Sat May 2, 2026, 9:30 AM

...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River near Herculaneum. Mississippi River at Chester. Mississippi River at Alton. Mississippi River at Grafton. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Mel Price LD. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. ...The Flood Warning is cancelled for the following rivers in Missouri...Illinois... Mississippi River at St. Louis. 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 Hannibal. * WHEN...Until Sunday evening. * IMPACTS...At 18.0 feet, The northern end of Southside Recreation #2 Park along Bear Creek begins flooding at this height. Gate wells are shut down to prevent the sewers from backing up. Also at this level pumps are set to standby. * ADDITIONAL DETAILS... - At 8:15 PM CDT Thursday the stage was 18.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:15 PM CDT Thursday was 19.3 feet. - Forecast...The river is expected to fall below flood stage Saturday afternoon and continue falling to 14.4 feet Thursday, May 07. - Flood stage is 17.0 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 April 30 at 9:26PM CDT until May 4 at 11:00PM CDT by NWS St Louis MO

Effective: Thu April 30, 2026, 9:26 PM
Expires: Sat May 2, 2026, 9:30 AM

...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River near Herculaneum. Mississippi River at Chester. Mississippi River at Alton. Mississippi River at Grafton. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Mel Price LD. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. ...The Flood Warning is cancelled for the following rivers in Missouri...Illinois... Mississippi River at St. Louis. 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 17.0 feet, The parking area at the boat house floods. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 17.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 18.4 feet. - Forecast...The river is expected to fall below flood stage Sunday afternoon and continue falling to 12.7 feet Thursday, May 07. - 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


Friday, May 1, 2026

Weather Forecast

Sunny
59.7°F
39.6°F
51.7°F
54%
0 in
0%
0%
11.2 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 9.57 μg/m3
PM10: 10.33 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 4.31 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 74.96 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:00 PM
Sunset: 7:57 PM
Daylight: 13 hrs 53 mins
Moonrise: 8:23 PM
Moon Transit: 12:31 AM
Moonset: 5:36 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
12:19 AM - 2:49 PM

Minor Periods

7:53 PM - 9:23 PM
5:06 AM - 6:36 AM

Action Rating: 4 out of 5

Saturday, May 2, 2026

Weather Forecast

Patchy rain nearby
56°F
39.4°F
48°F
69%
0.02 in
91%
0%
11.9 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 9.9 μg/m3
PM10: 11.13 μg/m3
Carbon Monoxide: 164.81 μg/m3
Nitrogen Dioxide: 5.95 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 71.12 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:00 PM
Sunset: 7:58 PM
Daylight: 13 hrs 56 mins
Moonrise: 9:26 PM
Moon Transit: 1:17 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
1:06 PM - 3:36 PM

Minor Periods

8:56 PM - 10:26 PM
5:36 AM - 7:06 AM

Action Rating: 4 out of 5

Sunday, May 3, 2026

Weather Forecast

Patchy rain nearby
73.1°F
41.1°F
56.5°F
70%
0.14 in
89%
0%
21.3 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 5.62 μg/m3
PM10: 6.45 μg/m3
Carbon Monoxide: 156.29 μg/m3
Nitrogen Dioxide: 5.63 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 77.2 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
71.2°F
56.9°F
63.7°F
82%
0.17 in
82%
0%
18.8 mph
5.6


Air Quality

AQI: 1 - Good
PM2.5: 6.97 μg/m3
PM10: 7.59 μg/m3
Carbon Monoxide: 156.48 μg/m3
Nitrogen Dioxide: 4.27 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 86 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
54.5°F
46.6°F
52°F
83%
0.21 in
89%
0%
12.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.22 μg/m3
PM10: 6.62 μg/m3
Carbon Monoxide: 170.6 μg/m3
Nitrogen Dioxide: 5.23 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 80.23 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

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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