Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

73.2°F

Measurement Time: Tuesday, June 16, 2026, 1:30 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

67.1°F
Partly cloudy
Partly cloudy
67.1°F
61.6°F
63%
SSW 9.4 mph
19.6 mph
61.4°F
50.3°F
0 in
50%
9 mi
1010 mbar
0.3

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 83°F
L: 57°F
Moderate rain
Wed
H: 87°F
L: 58°F
Sunny
Thu
H: 70°F
L: 58°F
Sunny
Fri
H: 72°F
L: 54°F
Sunny
Sat
H: 77°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 2.8 μg/m3
PM10: 2.9 μg/m3
Carbon Monoxide: 114 μg/m3
Nitrogen Dioxide: 3.5 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 62 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

Flood Warning issued June 15 at 12:06PM CDT by NWS St Louis MO

Effective: Mon June 15, 2026, 12:06 PM
Expires: Wed June 17, 2026, 12:15 AM

...The Flood Warning is extended for the following rivers in Illinois... 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 Thursday afternoon until further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 11:30 AM CDT Monday the stage was 12.6 feet. - Forecast...The river is expected to rise above flood stage early Thursday afternoon and continue rising to a crest of 14.4 feet Saturday morning. - 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 15 at 9:17PM CDT by NWS St Louis MO

Effective: Mon June 15, 2026, 9:17 PM
Expires: Wed June 17, 2026, 9:30 AM

...The Flood Warning continues 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 Thursday afternoon until further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 12.8 feet. - Forecast...The river is expected to rise above flood stage early Thursday afternoon and continue rising to a crest of 14.4 feet Saturday morning. - Flood stage is 14.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 June 15 at 12:09PM CDT until June 23 at 1:00AM CDT by NWS St Louis MO

Effective: Mon June 15, 2026, 12:09 PM
Expires: Wed June 17, 2026, 12:15 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Hardin. 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 late tonight to Tuesday, June 23. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 11:30 AM CDT Monday the stage was 24.7 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 25.7 feet early Friday morning. It will then fall below flood stage Sunday 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 15 at 9:17PM CDT until June 23 at 1:00AM CDT by NWS St Louis MO

Effective: Mon June 15, 2026, 9:17 PM
Expires: Wed June 17, 2026, 9:30 AM

...The Flood Warning continues 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 late tonight to Tuesday, June 23. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 24.9 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 25.7 feet early Friday morning. It will then fall below flood stage Sunday evening. - Flood stage is 25.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 June 15 at 12:15PM CDT until June 19 at 10:00AM CDT by NWS St Louis MO

Effective: Mon June 15, 2026, 12:15 PM
Expires: Wed June 17, 2026, 12:15 AM

...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. 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 Clarksville. * WHEN...Until Friday morning. * IMPACTS...At 25.5 feet, State Route P east of Elsberry begins flooding just east of the levee. * ADDITIONAL DETAILS... - At 12:00 PM CDT Monday the stage was 25.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:00 PM CDT Monday was 26.0 feet. - Forecast...The river is expected to rise to a crest of 26.0 feet this evening. It will then fall below flood stage early Thursday morning. - 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


Tuesday, June 16, 2026

Weather Forecast

Patchy rain nearby
82.6°F
57.4°F
66.8°F
68%
0.09 in
57%
0%
14.5 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 3.02 μg/m3
PM10: 3.3 μg/m3
Carbon Monoxide: 116.67 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 76.42 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

Moderate rain
86.8°F
57.9°F
72.7°F
80%
0.33 in
75%
0%
26.8 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 3.98 μg/m3
PM10: 4.35 μg/m3
Carbon Monoxide: 131.29 μg/m3
Nitrogen Dioxide: 7.7 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 65.92 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

Sunny
70.3°F
57.9°F
64.7°F
76%
0 in
12%
0%
17.7 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 1.56 μg/m3
PM10: 1.8 μg/m3
Carbon Monoxide: 121.5 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 64.58 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

Sunny
72.1°F
53.9°F
63.2°F
76%
0 in
9%
0%
12.1 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 1.85 μg/m3
PM10: 2 μg/m3
Carbon Monoxide: 132.1 μg/m3
Nitrogen Dioxide: 5.75 μg/m3
Sulphur Dioxide: 0.42 μg/m3
Ozone: 62.96 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

Saturday, June 20, 2026

Weather Forecast

Sunny
76.9°F
56°F
64.8°F
76%
0 in
11%
0%
10.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.05 μg/m3
PM10: 2.09 μg/m3
Carbon Monoxide: 163 μg/m3
Nitrogen Dioxide: 13.3 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 30.25 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moonrise: 11:53 AM
Moon Transit: 6:20 PM
Moonset: 12:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

5:23 AM - 7:53 AM
5:50 PM - 8:20 PM

Minor Periods

11:23 AM - 12:53 AM
12:00 AM - 12:00 AM

Action Rating: 4 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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