Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

70.9°F

Measurement Time: Friday, June 19, 2026, 5:30 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

76.1°F
Sunny
Sunny
78°F
81.4°F
58%
NW 5.1 mph
5.9 mph
80.3°F
60.7°F
0 in
0%
9 mi
1018 mbar
8.8

Five Day Weather Forecast

Sunny
Fri
H: 84°F
L: 58°F
Partly Cloudy
Sat
H: 81°F
L: 62°F
Heavy rain
Sun
H: 76°F
L: 64°F
Patchy rain nearby
Mon
H: 72°F
L: 62°F
Partly Cloudy
Tue
H: 74°F
L: 62°F

Air Quality

AQI: 1 - Good
PM2.5: 4.7 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 109 μg/m3
Nitrogen Dioxide: 0.5 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 95 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

Flood Warning issued June 18 at 8:54PM CDT by NWS St Louis MO

Effective: Thu June 18, 2026, 8:54 PM
Expires: Sat June 20, 2026, 9:00 AM

...The Flood Warning is extended for the following river in Illinois... Illinois River at La Grange LD. 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. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 14.3 feet. - Forecast...The river is expected to crest near 16.8 feet Wednesday 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 June 19 at 9:36AM CDT by NWS St Louis MO

Effective: Fri June 19, 2026, 9:36 AM
Expires: Sat June 20, 2026, 9:45 PM

...The Flood Warning continues for the Illinois river at the following locations... Illinois River at La Grange LD. 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. * ADDITIONAL DETAILS... - At 9:00 AM CDT Friday the stage was 14.4 feet. - Forecast...The river is expected to rise to a crest of 16.5 feet Wednesday 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 June 18 at 8:54PM CDT by NWS St Louis MO

Effective: Thu June 18, 2026, 8:54 PM
Expires: Sat June 20, 2026, 9:00 AM

...The Flood Warning is extended for the following river in Illinois... Illinois River at La Grange LD. 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 Hardin. * WHEN...Until further notice. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 25.3 feet. - Forecast...The river is expected to crest near 26.3 feet Tuesday morning. - 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


Flood Warning issued June 19 at 9:36AM CDT by NWS St Louis MO

Effective: Fri June 19, 2026, 9:36 AM
Expires: Sat June 20, 2026, 9:45 PM

...The Flood Warning continues for the Illinois river at the following locations... Illinois River at La Grange LD. 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 Hardin. * WHEN...Until further notice. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 9:00 AM CDT Friday the stage was 25.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Friday was 25.3 feet. - Forecast...The river is expected to rise to a crest of 26.1 feet Monday morning. - 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


Flood Warning issued June 18 at 8:54PM CDT by NWS St Louis MO

Effective: Thu June 18, 2026, 8:54 PM
Expires: Sat June 20, 2026, 9:00 AM

...The Flood Warning is extended for the following river in Illinois... Illinois River at La Grange LD. 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 forecast. * WHERE...Illinois River at Meredosia. * WHEN...From Friday afternoon until further notice. * IMPACTS...At 18.0 feet, City of Meredosia plugs storm sewer outlets. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 16.2 feet. - Forecast...The river is expected to rise above flood stage Friday afternoon and crest near 18.9 feet Wednesday morning. - 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
Friday, June 19, 2026

Weather Forecast

Sunny
84°F
58.1°F
71.2°F
66%
0 in
5%
0%
6.7 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 5.81 μg/m3
PM10: 6.23 μg/m3
Carbon Monoxide: 149.17 μg/m3
Nitrogen Dioxide: 9.7 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 61.46 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

Partly Cloudy
80.8°F
61.8°F
71.1°F
69%
0 in
7%
0%
6.7 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 6.22 μg/m3
PM10: 7.1 μg/m3
Carbon Monoxide: 132.17 μg/m3
Nitrogen Dioxide: 6.8 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 76.67 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

Sunday, June 21, 2026

Weather Forecast

Heavy rain
75.8°F
63.6°F
68.1°F
89%
1.02 in
88%
0%
16.6 mph
3.3


Air Quality

AQI: 1 - Good
PM2.5: 3.43 μg/m3
PM10: 3.69 μg/m3
Carbon Monoxide: 126.71 μg/m3
Nitrogen Dioxide: 4.99 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 57.38 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moonrise: 12:59 AM
Moon Transit: 7:03 PM
Moonset: 12:37 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

6:07 AM - 8:37 AM
6:33 PM - 9:03 PM

Minor Periods

12:29 AM - 1:59 PM
12:07 AM - 1:37 AM

Action Rating: 3 out of 5

Monday, June 22, 2026

Weather Forecast

Patchy rain nearby
71.9°F
62.4°F
66.4°F
88%
0.02 in
60%
0%
11.6 mph
5.7


Air Quality

AQI: 1 - Good
PM2.5: 1.58 μg/m3
PM10: 1.63 μg/m3
Carbon Monoxide: 125.99 μg/m3
Nitrogen Dioxide: 3.99 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 57.25 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moonrise: 2:02 PM
Moon Transit: 7:46 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

6:49 AM - 9:19 AM
7:16 PM - 9:46 PM

Minor Periods

1:32 PM - 3:02 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Tuesday, June 23, 2026

Weather Forecast

Partly Cloudy
73.6°F
62.1°F
66.9°F
83%
0 in
21%
0%
7.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.8 μg/m3
PM10: 3.83 μg/m3
Carbon Monoxide: 182.5 μg/m3
Nitrogen Dioxide: 17.15 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 18.38 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moonrise: 3:05 PM
Moon Transit: 8:28 PM
Moonset: 1:20 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
7:58 PM - 10:28 PM

Minor Periods

2:35 PM - 4:05 PM
12:50 AM - 2:20 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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