Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

61.7°F

Measurement Time: Saturday, May 2, 2026, 12:30 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

58.3°F
Sunny
Sunny
58°F
55.8°F
35%
WNW 4.9 mph
8.4 mph
55°F
33°F
0 in
0%
9 mi
1019 mbar
0.2

Five Day Weather Forecast

Sunny
Sat
H: 60°F
L: 40°F
Patchy rain nearby
Sun
H: 69°F
L: 41°F
Patchy rain nearby
Mon
H: 75°F
L: 55°F
Moderate rain
Tue
H: 60°F
L: 46°F
Patchy rain nearby
Wed
H: 52°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 8.45 μg/m3
PM10: 9.85 μg/m3
Carbon Monoxide: 194.85 μg/m3
Nitrogen Dioxide: 11.75 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 53 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

Flood Warning issued May 1 at 9:18PM CDT by NWS St Louis MO

Effective: Fri May 1, 2026, 9:18 PM
Expires: Sun May 3, 2026, 9:30 AM

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Meredosia. ...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 further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 15.4 feet and nearing a crest. - Recent Activity...The river rose above flood stage on the evening of April 27. - 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 May 2 at 9:38AM CDT by NWS St Louis MO

Effective: Sat May 2, 2026, 9:38 AM
Expires: Sun May 3, 2026, 9:45 PM

...The Flood Warning is extended for the following river in Illinois... Illinois River at Meredosia. ...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 further notice. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 15.3 feet. - Forecast...The river is expected to remain near 15.3 feet through Monday 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 9:31PM CDT until May 3 at 2:39AM CDT by NWS St Louis MO

Effective: Fri May 1, 2026, 9:31 PM
Expires: Sun May 3, 2026, 2:45 AM

...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring. * 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 8:00 PM CDT Friday the stage was 16.0 feet and falling. - Recent Activity...The river rose above flood stage on April 18. It's most recent crest was near 18.7 feet on April 28. - Forecast...The river is expected to fall below flood stage tonight and continue falling over the following days. - 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 May 1 at 9:31PM CDT until May 3 at 1:00PM CDT by NWS St Louis MO

Effective: Fri May 1, 2026, 9:31 PM
Expires: Sun May 3, 2026, 9:45 AM

...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. 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 afternoon. * IMPACTS...At 17.0 feet, John Hay Recreation Area on east side (inside the Illinois Sny Levee) begins flooding. * ADDITIONAL DETAILS... - At 8:15 PM CDT Friday the stage was 17.4 feet and falling. - Recent Activity...The river first rose above flood stage on April 13. It crested near 20.0 feet on April 28. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling over the coming days. - 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 May 1 at 9:31PM CDT until May 4 at 10:00PM CDT by NWS St Louis MO

Effective: Fri May 1, 2026, 9:31 PM
Expires: Sun May 3, 2026, 9:45 AM

...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. 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 Friday the stage was 16.8 feet and falling. - Recent Activity...The river first 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 Sunday afternoon and continue falling over the coming 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


Saturday, May 2, 2026

Weather Forecast

Sunny
59.5°F
39.9°F
50.3°F
61%
0 in
0%
0%
8.7 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 9.69 μg/m3
PM10: 11.04 μg/m3
Carbon Monoxide: 160.41 μg/m3
Nitrogen Dioxide: 5.29 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 75.2 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
69.3°F
40.5°F
55°F
69%
0.03 in
88%
0%
20.1 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 7.18 μg/m3
PM10: 8.18 μg/m3
Carbon Monoxide: 162.65 μg/m3
Nitrogen Dioxide: 5.77 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 76.48 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
75.2°F
54.5°F
64.5°F
78%
0.19 in
89%
0%
16.6 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 8.12 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 162.93 μg/m3
Nitrogen Dioxide: 3.96 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 92.28 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
60.3°F
46.1°F
54°F
92%
0.43 in
89%
0%
18.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 6.67 μg/m3
PM10: 7.14 μg/m3
Carbon Monoxide: 147.47 μg/m3
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 80.36 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
51.9°F
40.8°F
46.3°F
83%
0.06 in
88%
0%
15.2 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 8.76 μg/m3
PM10: 9.11 μg/m3
Carbon Monoxide: 157.23 μg/m3
Nitrogen Dioxide: 6.47 μg/m3
Sulphur Dioxide: 2.54 μg/m3
Ozone: 78.23 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

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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