Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

71.1°F

Measurement Time: Saturday, June 20, 2026, 6:15 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

75.6°F
Overcast
Overcast
77.6°F
83.8°F
57%
NNE 4.9 mph
5.7 mph
82.1°F
63.6°F
0 in
100%
9 mi
1018 mbar
9.3

Five Day Weather Forecast

Sunny
Sat
H: 85°F
L: 65°F
Heavy rain
Sun
H: 71°F
L: 62°F
Patchy rain nearby
Mon
H: 69°F
L: 59°F
Partly Cloudy
Tue
H: 75°F
L: 56°F
Patchy rain nearby
Wed
H: 78°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 11.8 μg/m3
PM10: 14.6 μg/m3
Carbon Monoxide: 114 μg/m3
Nitrogen Dioxide: 0.8 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 95 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

Flood Warning issued June 19 at 10:06PM CDT by NWS St Louis MO

Effective: Fri June 19, 2026, 10:06 PM
Expires: Sun June 21, 2026, 10:15 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 La Grange LD. 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 9:30 PM CDT Friday the stage was 14.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 PM CDT Friday was 14.5 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 20 at 10:53AM CDT by NWS St Louis MO

Effective: Sat June 20, 2026, 10:53 AM
Expires: Sun June 21, 2026, 11:00 PM

...The Flood Warning continues for the following locations on the Illinois river... Illinois River at La Grange LD. Illinois River at Valley City. Illinois River at Hardin. Illinois River at Meredosia. 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 10:30 AM CDT Saturday the stage was 14.7 feet. - Forecast...The river is expected to rise to a crest of 16.2 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 Watch issued June 20 at 1:28AM CDT until June 22 at 1:00AM CDT by NWS St Louis MO

Effective: Sat June 20, 2026, 1:28 AM
Expires: Sat June 20, 2026, 4:30 PM

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Bond IL, Fayette IL, Greene IL, Jersey IL, Macoupin IL, Madison IL and Montgomery IL and east central Missouri, including the following areas, Franklin MO, Saint Charles MO, Saint Louis City MO and Saint Louis MO. * WHEN...From Sunday morning through late Sunday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall moving over the same locations could produce flash flooding. Rainfall amounts of 1-3 inches are expected with locally higher amounts possible.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.


Flood Warning issued June 19 at 10:06PM CDT by NWS St Louis MO

Effective: Fri June 19, 2026, 10:06 PM
Expires: Sun June 21, 2026, 10:15 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 La Grange LD. 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. * ADDITIONAL DETAILS... - At 9:30 PM CDT Friday the stage was 25.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 PM CDT Friday was 25.3 feet. - Forecast...The river is expected to rise to a crest of 25.8 feet Tuesday evening. - 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 20 at 10:53AM CDT by NWS St Louis MO

Effective: Sat June 20, 2026, 10:53 AM
Expires: Sun June 21, 2026, 11:00 PM

...The Flood Warning continues for the following locations on the Illinois river... Illinois River at La Grange LD. Illinois River at Valley City. Illinois River at Hardin. Illinois River at Meredosia. 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 10:30 AM CDT Saturday the stage was 25.3 feet. - Forecast...The river is expected to rise to a crest of 25.8 feet early Wednesday 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
Saturday, June 20, 2026

Weather Forecast

Sunny
85.3°F
64.8°F
74.2°F
63%
0 in
4%
0%
7.2 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 8.44 μg/m3
PM10: 10 μg/m3
Carbon Monoxide: 130.5 μg/m3
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 65.25 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

Sunday, June 21, 2026

Weather Forecast

Heavy rain
70.6°F
62.2°F
66.7°F
92%
1.28 in
90%
0%
15.7 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 4.65 μg/m3
Carbon Monoxide: 128.33 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 56.67 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
68.8°F
58.7°F
63.4°F
88%
0.01 in
39%
0%
12.3 mph
4.4


Air Quality

AQI: 1 - Good
PM2.5: 2 μg/m3
PM10: 2.08 μg/m3
Carbon Monoxide: 122.46 μg/m3
Nitrogen Dioxide: 3.83 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 59.21 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
75.3°F
56.4°F
65.7°F
77%
0 in
12%
0%
7.4 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 3.49 μg/m3
PM10: 3.6 μg/m3
Carbon Monoxide: 134.5 μg/m3
Nitrogen Dioxide: 6.41 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 56.08 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

Wednesday, June 24, 2026

Weather Forecast

Patchy rain nearby
78.3°F
60.1°F
69.1°F
77%
0.01 in
25%
0%
5.4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.61 μg/m3
PM10: 2.71 μg/m3
Carbon Monoxide: 171.88 μg/m3
Nitrogen Dioxide: 12.68 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 28.88 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moonrise: 4:08 PM
Moon Transit: 9:12 PM
Moonset: 1:44 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
8:42 PM - 11:12 PM

Minor Periods

3:38 PM - 5:08 PM
1:14 AM - 2:44 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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