Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

78.8°F

Measurement Time: Saturday, August 29, 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

71°F
Mostly Clear
Mostly Clear
76%
S 5 mph
63°F

Weather Forecast

Mostly Clear
Overnight
69°F - Mostly Clear
Mostly Sunny
Sunday
94°F - Mostly Sunny
Mostly Clear
Sunday Night
74°F - Mostly Clear
Mostly Sunny
Monday
97°F - Mostly Sunny
Mostly Clear
Monday Night
76°F - Mostly Clear
Sunny
Tuesday
99°F - Sunny
Clear
Tuesday Night
78°F - Clear
Sunny
Wednesday
100°F - Sunny
Mostly Clear
Wednesday Night
76°F - Mostly Clear
Sunny
Thursday
99°F - Sunny
Partly Cloudy
Thursday Night
75°F - Partly Cloudy
Mostly Sunny
Friday
97°F - Mostly Sunny
Partly Cloudy
Friday Night
74°F - Partly Cloudy
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Saturday
93°F - Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

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: 6:29 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

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

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: 6:33 AM
Sun Transit: 1:01 PM
Sunset: 7:30 PM
Daylight: 12 hrs 57 mins
Moonrise: 10:58 PM
Moon Transit: 5:56 AM
Moonset: 1:50 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
5:50 PM - 8:20 PM

Minor Periods

10:28 PM - 11:58 PM
1:20 PM - 2:50 PM

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: 6:33 AM
Sun Transit: 1:01 PM
Sunset: 7:30 PM
Daylight: 12 hrs 57 mins
Moonrise: 10:58 PM
Moon Transit: 5:56 AM
Moonset: 1:50 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
5:50 PM - 8:20 PM

Minor Periods

10:28 PM - 11:58 PM
1:20 PM - 2:50 PM

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: 6:34 AM
Sun Transit: 1:01 PM
Sunset: 7:28 PM
Daylight: 12 hrs 55 mins
Moonrise: 11:55 PM
Moon Transit: 6:56 AM
Moonset: 3:00 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
6:52 PM - 9:22 PM

Minor Periods

12:00 AM - 12:00 AM
2:30 PM - 4:00 PM

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: 6:34 AM
Sun Transit: 1:01 PM
Sunset: 7:28 PM
Daylight: 12 hrs 55 mins
Moonrise: 11:55 PM
Moon Transit: 6:56 AM
Moonset: 3:00 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
6:52 PM - 9:22 PM

Minor Periods

12:00 AM - 12:00 AM
2:30 PM - 4:00 PM

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: 6:35 AM
Sun Transit: 1:01 PM
Sunset: 7:27 PM
Daylight: 12 hrs 52 mins
Moonrise: 12:55 AM
Moon Transit: 8:00 AM
Moonset: 4:02 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
7:55 PM - 10:25 PM

Minor Periods

3:32 PM - 5:02 PM
12:00 AM - 12:00 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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