Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

68.4°F

Measurement Time: Sunday, May 17, 2026, 9:30 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

83.1°F
Partly cloudy
Partly cloudy
84.3°F
93.3°F
61%
S 15 mph
20.3 mph
88.6°F
67.4°F
0 in
75%
9 mi
1009 mbar
4.7

Five Day Weather Forecast

Sunny
Sun
H: 90°F
L: 66°F
Patchy rain nearby
Mon
H: 88°F
L: 72°F
Patchy rain nearby
Tue
H: 78°F
L: 57°F
Sunny
Wed
H: 63°F
L: 49°F
Partly Cloudy
Thu
H: 70°F
L: 45°F

Air Quality

AQI: 1 - Good
PM2.5: 7.35 μg/m3
PM10: 8.95 μg/m3
Carbon Monoxide: 147.85 μg/m3
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 98 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

Sunday, May 17, 2026

Weather Forecast

Sunny
89.6°F
65.5°F
76.2°F
71%
0 in
0%
0%
17.9 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 7.16 μg/m3
PM10: 8.35 μg/m3
Carbon Monoxide: 153.89 μg/m3
Nitrogen Dioxide: 5.89 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 82.6 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

Patchy rain nearby
87.5°F
71.8°F
76.7°F
73%
0.13 in
81%
0%
21.9 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 7.18 μg/m3
PM10: 8.65 μg/m3
Carbon Monoxide: 145.81 μg/m3
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 77.6 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

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
78.2°F
57°F
69°F
83%
0.09 in
88%
0%
18.8 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 5.58 μg/m3
PM10: 6.44 μg/m3
Carbon Monoxide: 138.89 μg/m3
Nitrogen Dioxide: 3.96 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 62.48 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:58 AM
Sunset: 8:14 PM
Daylight: 14 hrs 30 mins
Moonrise: 8:04 AM
Moon Transit: 4:05 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

2:57 AM - 5:27 AM
3:35 PM - 6:05 PM

Minor Periods

7:34 AM - 9:04 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, May 20, 2026

Weather Forecast

Sunny
62.5°F
48.5°F
55.5°F
73%
0 in
0%
0%
12.1 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 2.04 μg/m3
PM10: 2.13 μg/m3
Carbon Monoxide: 132.76 μg/m3
Nitrogen Dioxide: 3.79 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 57.88 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:00 PM
Sunset: 8:15 PM
Daylight: 14 hrs 31 mins
Moonrise: 9:19 AM
Moon Transit: 5:07 PM
Moonset: 12:01 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

4:02 AM - 6:32 AM
4:37 PM - 7:07 PM

Minor Periods

8:49 AM - 10:19 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Partly Cloudy
70.4°F
45.2°F
58.9°F
74%
0 in
0%
0%
11.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 2.46 μg/m3
PM10: 2.51 μg/m3
Carbon Monoxide: 144.49 μg/m3
Nitrogen Dioxide: 6.37 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 59.77 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:00 PM
Sunset: 8:16 PM
Daylight: 14 hrs 33 mins
Moonrise: 10:36 AM
Moon Transit: 6:03 PM
Moonset: 12:45 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
5:33 PM - 8:03 PM

Minor Periods

10:06 AM - 11:36 AM
12:15 AM - 1:45 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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