Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

65.8°F

Measurement Time: Wednesday, May 13, 2026, 7:45 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

51.1°F
Clear
Clear
51.6°F
51.1°F
78%
SE 2.2 mph
4.2 mph
49.4°F
37.3°F
0 in
0%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 81°F
L: 46°F
Patchy rain nearby
Fri
H: 80°F
L: 54°F
Moderate rain
Sat
H: 83°F
L: 63°F
Patchy rain nearby
Sun
H: 86°F
L: 63°F
Moderate rain
Mon
H: 82°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 7.65 μg/m3
Carbon Monoxide: 156.85 μg/m3
Nitrogen Dioxide: 24.75 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 28 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:58 AM
Sunset: 8:09 PM
Daylight: 14 hrs 21 mins
Moonrise: 4:05 AM
Moon Transit: 10:54 AM
Moonset: 5:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:24 AM - 12:54 AM

Minor Periods

5:28 PM - 6:58 PM
3:35 AM - 5:05 AM

Action Rating: 2 out of 5

Thursday, May 14, 2026

Weather Forecast

Sunny
80.8°F
46.4°F
61.2°F
52%
0 in
0%
0%
14.5 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 4.76 μg/m3
PM10: 5.41 μg/m3
Carbon Monoxide: 149.41 μg/m3
Nitrogen Dioxide: 8.57 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 74.48 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:58 AM
Sunset: 8:09 PM
Daylight: 14 hrs 21 mins
Moonrise: 4:05 AM
Moon Transit: 10:54 AM
Moonset: 5:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:24 AM - 12:54 AM

Minor Periods

5:28 PM - 6:58 PM
3:35 AM - 5:05 AM

Action Rating: 2 out of 5

Friday, May 15, 2026

Weather Forecast

Patchy rain nearby
80.3°F
54.1°F
66.7°F
74%
0.14 in
89%
0%
18.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 6.3 μg/m3
PM10: 6.72 μg/m3
Carbon Monoxide: 152.85 μg/m3
Nitrogen Dioxide: 5.49 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 95.4 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:58 AM
Sunset: 8:10 PM
Daylight: 14 hrs 22 mins
Moonrise: 4:35 AM
Moon Transit: 11:48 AM
Moonset: 7:16 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:18 AM - 1:48 PM

Minor Periods

6:46 PM - 8:16 PM
4:05 AM - 5:35 AM

Action Rating: 5 out of 5

Saturday, May 16, 2026

Weather Forecast

Moderate rain
83.4°F
62.6°F
70.8°F
81%
0.38 in
81%
0%
13.2 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 6.24 μg/m3
PM10: 6.81 μg/m3
Carbon Monoxide: 178.97 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 83.8 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 12:58 AM
Sunset: 8:11 PM
Daylight: 14 hrs 24 mins
Moonrise: 5:11 AM
Moon Transit: 12:48 AM
Moonset: 8:38 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:18 AM - 2:48 PM

Minor Periods

8:08 PM - 9:38 PM
4:41 AM - 6:11 AM

Action Rating: 5 out of 5

Sunday, May 17, 2026

Weather Forecast

Patchy rain nearby
85.9°F
63°F
73.6°F
75%
0.11 in
66%
0%
18.3 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 7.46 μg/m3
PM10: 8.74 μg/m3
Carbon Monoxide: 189.55 μg/m3
Nitrogen Dioxide: 6.27 μg/m3
Sulphur Dioxide: 2.58 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:58 AM
Sunset: 8:12 PM
Daylight: 14 hrs 26 mins
Moonrise: 5:57 AM
Moon Transit: 1:52 PM
Moonset: 9:55 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
1:22 PM - 3:52 PM

Minor Periods

9:25 PM - 10:55 PM
5:27 AM - 6:57 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Moderate rain
81.6°F
70.8°F
74.8°F
77%
0.27 in
89%
0%
21.9 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 6.82 μg/m3
PM10: 8.45 μg/m3
Carbon Monoxide: 174 μg/m3
Nitrogen Dioxide: 5.1 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 85.54 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 12:58 AM
Sunset: 8:13 PM
Daylight: 14 hrs 28 mins
Moonrise: 6:55 AM
Moon Transit: 3:00 PM
Moonset: 11:04 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
2:30 PM - 5:00 PM

Minor Periods

12:00 AM - 12:00 AM
6:25 AM - 7:55 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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