Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

76.1°F

Measurement Time: Monday, September 21, 2026, 3:15 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

64°F
Slight Chance Drizzle
Slight Chance Drizzle
93%
NE 6 mph
62°F

Weather Forecast

Slight Chance Drizzle
Tonight
61°F - Slight Chance Drizzle
Slight Chance Drizzle then Mostly Cloudy
Tuesday
69°F - Slight Chance Drizzle then Mostly Cloudy
Mostly Cloudy
Tuesday Night
52°F - Mostly Cloudy
Mostly Sunny
Wednesday
73°F - Mostly Sunny
Partly Cloudy
Wednesday Night
53°F - Partly Cloudy
Partly Sunny
Thursday
74°F - Partly Sunny
Partly Cloudy
Thursday Night
55°F - Partly Cloudy
Partly Sunny
Friday
74°F - Partly Sunny
Mostly Cloudy
Friday Night
54°F - Mostly Cloudy
Slight Chance Rain Showers
Saturday
74°F - Slight Chance Rain Showers
Mostly Cloudy then Chance Rain Showers
Saturday Night
57°F - Mostly Cloudy then Chance Rain Showers
Chance Rain Showers
Sunday
78°F - Chance Rain Showers
Partly Cloudy then Slight Chance Rain Showers
Sunday Night
58°F - Partly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers then Mostly Sunny
Monday
82°F - Slight Chance Rain Showers then Mostly Sunny

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:55 AM
Sunset: 7:01 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:39 PM
Moon Transit: 9:28 PM
Moonset: 1:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
8:58 PM - 11:28 PM

Minor Periods

4:09 PM - 5:39 PM
12:52 AM - 2:22 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: 6:49 AM
Sun Transit: 12:55 AM
Sunset: 7:01 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:39 PM
Moon Transit: 9:28 PM
Moonset: 1:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
8:58 PM - 11:28 PM

Minor Periods

4:09 PM - 5:39 PM
12:52 AM - 2:22 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: 6:50 AM
Sun Transit: 12:55 AM
Sunset: 6:59 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:08 PM
Moon Transit: 10:15 PM
Moonset: 2:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

9:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:38 PM - 6:08 PM
1:56 AM - 3:26 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: 6:50 AM
Sun Transit: 12:55 AM
Sunset: 6:59 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:08 PM
Moon Transit: 10:15 PM
Moonset: 2:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

9:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:38 PM - 6:08 PM
1:56 AM - 3:26 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: 6:51 AM
Sun Transit: 12:54 AM
Sunset: 6:58 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:33 PM
Moon Transit: 11:00 PM
Moonset: 3:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

10:02 AM - 12:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:03 PM - 6:33 PM
3:00 AM - 4:30 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: 6:51 AM
Sun Transit: 12:54 AM
Sunset: 6:58 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:33 PM
Moon Transit: 11:00 PM
Moonset: 3:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

10:02 AM - 12:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:03 PM - 6:33 PM
3:00 AM - 4:30 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: 6:52 AM
Sun Transit: 12:54 AM
Sunset: 6:56 PM
Daylight: 12 hrs 4 mins
Moonrise: 5:57 PM
Moon Transit: 11:43 PM
Moonset: 4:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

10:46 AM - 1:16 PM
12:00 AM - 12:00 AM

Minor Periods

5:27 PM - 6:57 PM
4:06 AM - 5:36 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: 6:52 AM
Sun Transit: 12:54 AM
Sunset: 6:56 PM
Daylight: 12 hrs 4 mins
Moonrise: 5:57 PM
Moon Transit: 11:43 PM
Moonset: 4:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

10:46 AM - 1:16 PM
12:00 AM - 12:00 AM

Minor Periods

5:27 PM - 6:57 PM
4:06 AM - 5:36 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: 6:53 AM
Sun Transit: 12:54 AM
Sunset: 6:55 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:20 PM
Moon Transit: 12:00 AM
Moonset: 5:41 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:50 PM - 7:20 PM
5:11 AM - 6:41 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: 6:53 AM
Sun Transit: 12:54 AM
Sunset: 6:55 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:20 PM
Moon Transit: 12:00 AM
Moonset: 5:41 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:50 PM - 7:20 PM
5:11 AM - 6:41 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: 6:54 AM
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:43 PM
Moon Transit: 7:33 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

7:03 AM - 9:33 AM
7:03 AM - 9:33 AM

Minor Periods

6:13 PM - 7:43 PM
6:18 AM - 7:48 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: 6:54 AM
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:43 PM
Moon Transit: 7:33 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

7:03 AM - 9:33 AM
7:03 AM - 9:33 AM

Minor Periods

6:13 PM - 7:43 PM
6:18 AM - 7:48 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: 6:55 AM
Sun Transit: 12:53 AM
Sunset: 6:51 PM
Daylight: 11 hrs 56 mins
Moonrise: 7:08 PM
Moon Transit: 1:13 AM
Moonset: 7:57 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
1:02 PM - 3:32 PM

Minor Periods

6:38 PM - 8:08 PM
7:27 AM - 8:57 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: 6:55 AM
Sun Transit: 12:53 AM
Sunset: 6:51 PM
Daylight: 11 hrs 56 mins
Moonrise: 7:08 PM
Moon Transit: 1:13 AM
Moonset: 7:57 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
1:02 PM - 3:32 PM

Minor Periods

6:38 PM - 8:08 PM
7:27 AM - 8:57 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: 6:56 AM
Sun Transit: 12:53 AM
Sunset: 6:50 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:37 PM
Moon Transit: 2:02 AM
Moonset: 9:09 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:32 AM - 4:02 AM
1:52 PM - 4:22 PM

Minor Periods

7:07 PM - 8:37 PM
8:39 AM - 10:09 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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