Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

73.2°F

Measurement Time: Monday, June 15, 2026, 12:45 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

59.4°F
Sunny
Sunny
59.4°F
59.6°F
90%
W 3.8 mph
6.9 mph
60.1°F
52.7°F
0 in
0%
9 mi
1018 mbar
0.4

Five Day Weather Forecast

Sunny
Mon
H: 81°F
L: 55°F
Patchy rain nearby
Tue
H: 74°F
L: 56°F
Heavy rain
Wed
H: 74°F
L: 60°F
Patchy rain nearby
Thu
H: 75°F
L: 60°F
Patchy rain nearby
Fri
H: 73°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 8.3 μg/m3
PM10: 8.6 μg/m3
Carbon Monoxide: 132 μg/m3
Nitrogen Dioxide: 15.1 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 25 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:32 PM
Daylight: 14 hrs 58 mins
Moonrise: 5:39 AM
Moon Transit: 1:44 PM
Moonset: 9:46 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
1:14 PM - 3:44 PM

Minor Periods

9:16 PM - 10:46 PM
5:09 AM - 6:39 AM

Action Rating: 4 out of 5

Flood Warning issued June 14 at 8:10PM CDT by NWS St Louis MO

Effective: Sun June 14, 2026, 8:10 PM
Expires: Tue June 16, 2026, 8:15 AM

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Hardin. Illinois River at Valley City. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Valley City. * WHEN...From late Wednesday night until further notice. * 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 12.4 feet. - Forecast...The river is expected to rise above flood stage early Thursday morning and continue rising to 15.1 feet Saturday evening. Additional rises are possible thereafter. - Flood stage is 14.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx


Flood Warning issued June 14 at 11:15AM CDT by NWS St Louis MO

Effective: Sun June 14, 2026, 11:15 AM
Expires: Mon June 15, 2026, 11:15 PM

...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Illinois... Illinois River at Hardin. Illinois River at Valley City. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Valley City. * WHEN...From Wednesday morning until further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 11:00 AM CDT Sunday the stage was 12.5 feet. - Forecast...The river is expected to rise above flood stage Wednesday morning and continue rising to 15.6 feet Sunday, June 21. Additional rises are possible thereafter. - Flood stage is 14.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx


Flood Warning issued June 14 at 8:10PM CDT by NWS St Louis MO

Effective: Sun June 14, 2026, 8:10 PM
Expires: Tue June 16, 2026, 8:15 AM

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Hardin. Illinois River at Valley City. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...From Monday afternoon until further notice. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 8:00 PM CDT Sunday the stage was 24.6 feet. - Forecast...The river is expected to rise above flood stage early tomorrow afternoon and continue rising to a crest of 26.2 feet Thursday evening. - Flood stage is 25.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx


Flood Warning issued June 14 at 11:25AM CDT until June 20 at 12:00AM CDT by NWS St Louis MO

Effective: Sun June 14, 2026, 11:25 AM
Expires: Mon June 15, 2026, 11:30 PM

...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Saverton. Mississippi River at Winfield. 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 late Friday night. * IMPACTS...At 17.0 feet, The parking area at the boat house floods. * ADDITIONAL DETAILS... - At 11:00 AM CDT Sunday the stage was 16.2 feet. - Recent Activity...The river rose above flood stage on June 12. - Forecast...The river is expected to rise to a crest of 17.0 feet early Tuesday afternoon. It will then fall below flood stage Thursday evening. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx


Flood Warning issued June 14 at 11:25AM CDT until June 19 at 2:30AM CDT by NWS St Louis MO

Effective: Sun June 14, 2026, 11:25 AM
Expires: Mon June 15, 2026, 11:30 PM

...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Saverton. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Saverton. * WHEN...From Monday morning to late Thursday 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 AM CDT Sunday the stage was 15.6 feet. - Forecast...The river is expected to rise above flood stage tomorrow morning to a crest of 16.7 feet early Tuesday afternoon. It will then fall below flood stage Wednesday evening. - Flood stage is 16.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Monday, June 15, 2026

Weather Forecast

Sunny
81.3°F
54.9°F
67°F
63%
0 in
4%
0%
9.4 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 5.56 μg/m3
PM10: 5.89 μg/m3
Carbon Monoxide: 118.88 μg/m3
Nitrogen Dioxide: 7.4 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 65.88 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:32 PM
Daylight: 14 hrs 58 mins
Moonrise: 5:39 AM
Moon Transit: 1:44 PM
Moonset: 9:46 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
1:14 PM - 3:44 PM

Minor Periods

9:16 PM - 10:46 PM
5:09 AM - 6:39 AM

Action Rating: 4 out of 5

Tuesday, June 16, 2026

Weather Forecast

Patchy rain nearby
74°F
56.4°F
63.3°F
83%
0.13 in
69%
0%
15 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 4.78 μg/m3
PM10: 5.18 μg/m3
Carbon Monoxide: 123.17 μg/m3
Nitrogen Dioxide: 5.29 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 14 hrs 59 mins
Moonrise: 6:54 AM
Moon Transit: 2:50 PM
Moonset: 10:37 PM
Moon Phase: New
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

1:42 AM - 4:12 AM
2:20 PM - 4:50 PM

Minor Periods

10:07 PM - 11:37 PM
6:24 AM - 7:54 AM

Action Rating: 3 out of 5

Wednesday, June 17, 2026

Weather Forecast

Heavy rain
73.8°F
59.7°F
68.1°F
90%
1.63 in
86%
0%
24.6 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 4.93 μg/m3
PM10: 5.2 μg/m3
Carbon Monoxide: 136.08 μg/m3
Nitrogen Dioxide: 9.83 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 62.67 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 14 hrs 59 mins
Moonrise: 8:13 AM
Moon Transit: 3:50 PM
Moonset: 11:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:43 AM - 9:13 AM

Action Rating: 3 out of 5

Thursday, June 18, 2026

Weather Forecast

Patchy rain nearby
74.8°F
59.8°F
69.6°F
82%
0.01 in
36%
0%
21.7 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 1.54 μg/m3
PM10: 1.61 μg/m3
Carbon Monoxide: 125.63 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 65.83 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 14 hrs 59 mins
Moonrise: 9:30 AM
Moon Transit: 4:45 PM
Moonset: 12:16 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
4:15 PM - 6:45 PM

Minor Periods

9:00 AM - 10:30 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Patchy rain nearby
73.4°F
54.3°F
62.3°F
81%
0.01 in
27%
0%
12.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.79 μg/m3
PM10: 2.85 μg/m3
Carbon Monoxide: 174.75 μg/m3
Nitrogen Dioxide: 14.48 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 26.5 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 14 hrs 59 mins
Moonrise: 10:44 AM
Moon Transit: 5:34 PM
Moonset: 12:47 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
5:04 PM - 7:34 PM

Minor Periods

10:14 AM - 11:44 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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