Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

73.8°F

Measurement Time: Tuesday, May 26, 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

81.1°F
Sunny
Sunny
80.7°F
81.7°F
47%
E 5.8 mph
11 mph
81°F
54.7°F
0 in
0%
9 mi
1014 mbar
0.3

Five Day Weather Forecast

Sunny
Tue
H: 88°F
L: 57°F
Patchy rain nearby
Wed
H: 82°F
L: 65°F
Sunny
Thu
H: 80°F
L: 62°F
Sunny
Fri
H: 77°F
L: 60°F
Sunny
Sat
H: 79°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 9.85 μg/m3
Carbon Monoxide: 190.85 μg/m3
Nitrogen Dioxide: 18.25 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 41 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:00 PM
Sunset: 8:20 PM
Daylight: 14 hrs 40 mins
Moonrise: 4:10 PM
Moon Transit: 9:47 PM
Moonset: 2:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

8:51 AM - 11:21 AM
9:17 PM - 11:47 PM

Minor Periods

3:40 PM - 5:10 PM
2:24 AM - 3:54 AM

Action Rating: 2 out of 5

Tuesday, May 26, 2026

Weather Forecast

Sunny
88°F
57.2°F
74°F
61%
0 in
0%
0%
8.5 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 7.57 μg/m3
PM10: 8.26 μg/m3
Carbon Monoxide: 160.49 μg/m3
Nitrogen Dioxide: 8.25 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 72.44 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:00 PM
Sunset: 8:20 PM
Daylight: 14 hrs 40 mins
Moonrise: 4:10 PM
Moon Transit: 9:47 PM
Moonset: 2:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

8:51 AM - 11:21 AM
9:17 PM - 11:47 PM

Minor Periods

3:40 PM - 5:10 PM
2:24 AM - 3:54 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
82.3°F
65.2°F
73°F
72%
0.02 in
84%
0%
9.2 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 9.69 μg/m3
PM10: 10.27 μg/m3
Carbon Monoxide: 174.37 μg/m3
Nitrogen Dioxide: 13.31 μg/m3
Sulphur Dioxide: 2.11 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:00 PM
Sunset: 8:21 PM
Daylight: 14 hrs 42 mins
Moonrise: 5:12 PM
Moon Transit: 10:30 PM
Moonset: 3:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

9:33 AM - 12:03 AM
12:00 AM - 12:00 AM

Minor Periods

4:42 PM - 6:12 PM
2:46 AM - 4:16 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Sunny
80.1°F
62°F
70.5°F
70%
0 in
0%
0%
11.6 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 14.71 μg/m3
PM10: 15.57 μg/m3
Carbon Monoxide: 157.49 μg/m3
Nitrogen Dioxide: 17.89 μg/m3
Sulphur Dioxide: 2.47 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:00 PM
Sunset: 8:22 PM
Daylight: 14 hrs 43 mins
Moonrise: 6:15 PM
Moon Transit: 11:14 PM
Moonset: 3:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

10:17 AM - 12:47 AM
12:00 AM - 12:00 AM

Minor Periods

5:45 PM - 7:15 PM
3:10 AM - 4:40 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Sunny
77.1°F
60.2°F
68.5°F
74%
0 in
0%
0%
8.3 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 8.51 μg/m3
PM10: 9.45 μg/m3
Carbon Monoxide: 143.56 μg/m3
Nitrogen Dioxide: 7.1 μg/m3
Sulphur Dioxide: 2.24 μg/m3
Ozone: 78.24 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:00 PM
Sunset: 8:22 PM
Daylight: 14 hrs 44 mins
Moonrise: 7:17 PM
Moon Transit: 12:00 AM
Moonset: 4:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:02 AM - 1:32 PM

Minor Periods

6:47 PM - 8:17 PM
3:38 AM - 5:08 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Sunny
78.5°F
58.8°F
68.7°F
67%
0 in
0%
0%
12.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 6.89 μg/m3
PM10: 7.52 μg/m3
Carbon Monoxide: 174.2 μg/m3
Nitrogen Dioxide: 9 μg/m3
Sulphur Dioxide: 1.97 μg/m3
Ozone: 61.54 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 46 mins
Moonrise: 8:19 PM
Moon Transit: 12:01 AM
Moonset: 4:41 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:51 AM - 2:21 PM

Minor Periods

7:49 PM - 9:19 PM
4:11 AM - 5:41 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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