Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

78.1°F

Measurement Time: Wednesday, August 26, 2026, 6:45 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

67°F
Clear
Clear
90%
NW 2 mph
64°F

Weather Forecast

Clear
Overnight
64°F - Clear
Mostly Sunny
Thursday
84°F - Mostly Sunny
Mostly Clear
Thursday Night
60°F - Mostly Clear
Patchy Fog then Sunny
Friday
85°F - Patchy Fog then Sunny
Mostly Clear
Friday Night
60°F - Mostly Clear
Mostly Sunny
Saturday
87°F - Mostly Sunny
Partly Cloudy
Saturday Night
69°F - Partly Cloudy
Mostly Sunny
Sunday
94°F - Mostly Sunny
Partly Cloudy
Sunday Night
74°F - Partly Cloudy
Mostly Sunny
Monday
95°F - Mostly Sunny
Partly Cloudy
Monday Night
75°F - Partly Cloudy
Slight Chance Rain Showers
Tuesday
95°F - Slight Chance Rain Showers
Partly Cloudy
Tuesday Night
76°F - Partly Cloudy
Sunny
Wednesday
94°F - Sunny

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:03 PM
Sunset: 7:41 PM
Daylight: 13 hrs 15 mins
Moonrise: 7:31 PM
Moon Transit: 12:21 AM
Moonset: 5:45 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

7:01 PM - 8:31 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:03 PM
Sunset: 7:41 PM
Daylight: 13 hrs 15 mins
Moonrise: 7:31 PM
Moon Transit: 12:21 AM
Moonset: 5:45 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

7:01 PM - 8:31 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:03 PM
Sunset: 7:41 PM
Daylight: 13 hrs 15 mins
Moonrise: 7:31 PM
Moon Transit: 12:21 AM
Moonset: 5:45 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

7:01 PM - 8:31 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:03 PM
Sunset: 7:41 PM
Daylight: 13 hrs 15 mins
Moonrise: 7:31 PM
Moon Transit: 12:21 AM
Moonset: 5:45 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

7:01 PM - 8:31 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:03 PM
Sunset: 7:39 PM
Daylight: 13 hrs 12 mins
Moonrise: 7:54 PM
Moon Transit: 1:06 AM
Moonset: 6:51 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:36 AM - 3:06 AM
12:52 AM - 3:22 PM

Minor Periods

7:24 PM - 8:54 PM
6:21 AM - 7:51 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:03 PM
Sunset: 7:39 PM
Daylight: 13 hrs 12 mins
Moonrise: 7:54 PM
Moon Transit: 1:06 AM
Moonset: 6:51 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:36 AM - 3:06 AM
12:52 AM - 3:22 PM

Minor Periods

7:24 PM - 8:54 PM
6:21 AM - 7:51 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:03 PM
Sunset: 7:38 PM
Daylight: 13 hrs 10 mins
Moonrise: 8:16 PM
Moon Transit: 1:49 AM
Moonset: 7:56 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:19 AM - 3:49 AM
12:00 AM - 12:00 AM

Minor Periods

7:46 PM - 9:16 PM
7:26 AM - 8:56 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:03 PM
Sunset: 7:38 PM
Daylight: 13 hrs 10 mins
Moonrise: 8:16 PM
Moon Transit: 1:49 AM
Moonset: 7:56 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:19 AM - 3:49 AM
12:00 AM - 12:00 AM

Minor Periods

7:46 PM - 9:16 PM
7:26 AM - 8:56 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:03 PM
Sunset: 7:36 PM
Daylight: 13 hrs 7 mins
Moonrise: 8:40 PM
Moon Transit: 12:00 AM
Moonset: 9:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:10 PM - 9:40 PM
8:33 AM - 10:03 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:03 PM
Sunset: 7:36 PM
Daylight: 13 hrs 7 mins
Moonrise: 8:40 PM
Moon Transit: 12:00 AM
Moonset: 9:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:10 PM - 9:40 PM
8:33 AM - 10:03 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:02 PM
Sunset: 7:35 PM
Daylight: 13 hrs 5 mins
Moonrise: 9:05 PM
Moon Transit: 3:19 AM
Moonset: 10:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:49 AM - 5:19 AM
3:08 PM - 5:38 PM

Minor Periods

8:35 PM - 10:05 PM
9:41 AM - 11:11 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:02 PM
Sunset: 7:35 PM
Daylight: 13 hrs 5 mins
Moonrise: 9:05 PM
Moon Transit: 3:19 AM
Moonset: 10:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:49 AM - 5:19 AM
3:08 PM - 5:38 PM

Minor Periods

8:35 PM - 10:05 PM
9:41 AM - 11:11 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:02 PM
Sunset: 7:33 PM
Daylight: 13 hrs 2 mins
Moonrise: 9:35 PM
Moon Transit: 4:07 AM
Moonset: 11:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
3:58 PM - 6:28 PM

Minor Periods

9:05 PM - 10:35 PM
10:52 AM - 12:22 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:02 PM
Sunset: 7:33 PM
Daylight: 13 hrs 2 mins
Moonrise: 9:35 PM
Moon Transit: 4:07 AM
Moonset: 11:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
3:58 PM - 6:28 PM

Minor Periods

9:05 PM - 10:35 PM
10:52 AM - 12:22 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:02 PM
Sunset: 7:32 PM
Daylight: 13 hrs mins
Moonrise: 10:12 PM
Moon Transit: 5:00 AM
Moonset: 12:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
4:52 PM - 7:22 PM

Minor Periods

9:42 PM - 11:12 PM
12:06 AM - 1:36 PM

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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