Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

78.8°F

Measurement Time: Monday, September 14, 2026, 3:45 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

76°F
Mostly Clear
Mostly Clear
62%
SE 12 mph
62°F

Weather Forecast

Mostly Clear
Tonight
72°F - Mostly Clear
Mostly Sunny then Chance Showers And Thunderstorms
Tuesday
95°F - Mostly Sunny then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Tuesday Night
68°F - Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Wednesday
90°F - Chance Showers And Thunderstorms
Partly Cloudy
Wednesday Night
72°F - Partly Cloudy
Mostly Sunny
Thursday
93°F - Mostly Sunny
Partly Cloudy
Thursday Night
71°F - Partly Cloudy
Mostly Sunny
Friday
92°F - Mostly Sunny
Mostly Clear
Friday Night
72°F - Mostly Clear
Sunny
Saturday
92°F - Sunny
Partly Cloudy then Slight Chance Rain Showers
Saturday Night
69°F - Partly Cloudy then Slight Chance Rain Showers
Chance Showers And Thunderstorms
Sunday
86°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday Night
64°F - Chance Showers And Thunderstorms
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Monday
80°F - Chance Rain Showers then Slight Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:57 AM
Sunset: 7:12 PM
Daylight: 12 hrs 29 mins
Moonrise: 10:32 AM
Moon Transit: 3:40 PM
Moonset: 8:41 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

2:42 AM - 5:12 AM
3:10 PM - 5:40 PM

Minor Periods

8:11 PM - 9:41 PM
10:02 AM - 11:32 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: 6:43 AM
Sun Transit: 12:57 AM
Sunset: 7:12 PM
Daylight: 12 hrs 29 mins
Moonrise: 10:32 AM
Moon Transit: 3:40 PM
Moonset: 8:41 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

2:42 AM - 5:12 AM
3:10 PM - 5:40 PM

Minor Periods

8:11 PM - 9:41 PM
10:02 AM - 11:32 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: 6:44 AM
Sun Transit: 12:57 AM
Sunset: 7:11 PM
Daylight: 12 hrs 27 mins
Moonrise: 11:37 AM
Moon Transit: 4:28 PM
Moonset: 9:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

8:42 PM - 10:12 PM
11:07 AM - 12:37 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: 6:44 AM
Sun Transit: 12:57 AM
Sunset: 7:11 PM
Daylight: 12 hrs 27 mins
Moonrise: 11:37 AM
Moon Transit: 4:28 PM
Moonset: 9:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

8:42 PM - 10:12 PM
11:07 AM - 12:37 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: 6:45 AM
Sun Transit: 12:57 AM
Sunset: 7:09 PM
Daylight: 12 hrs 24 mins
Moonrise: 12:42 AM
Moon Transit: 5:17 PM
Moonset: 9:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
4:47 PM - 7:17 PM

Minor Periods

9:19 PM - 10:49 PM
12:12 AM - 1:42 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: 6:45 AM
Sun Transit: 12:57 AM
Sunset: 7:09 PM
Daylight: 12 hrs 24 mins
Moonrise: 12:42 AM
Moon Transit: 5:17 PM
Moonset: 9:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
4:47 PM - 7:17 PM

Minor Periods

9:19 PM - 10:49 PM
12:12 AM - 1:42 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: 6:46 AM
Sun Transit: 12:56 AM
Sunset: 7:07 PM
Daylight: 12 hrs 22 mins
Moonrise: 1:41 PM
Moon Transit: 6:08 PM
Moonset: 10:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
5:38 PM - 8:08 PM

Minor Periods

10:03 PM - 11:33 PM
1:11 PM - 2:41 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: 6:46 AM
Sun Transit: 12:56 AM
Sunset: 7:07 PM
Daylight: 12 hrs 22 mins
Moonrise: 1:41 PM
Moon Transit: 6:08 PM
Moonset: 10:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
5:38 PM - 8:08 PM

Minor Periods

10:03 PM - 11:33 PM
1:11 PM - 2:41 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: 6:47 AM
Sun Transit: 12:56 AM
Sunset: 7:06 PM
Daylight: 12 hrs 19 mins
Moonrise: 2:37 PM
Moon Transit: 7:00 PM
Moonset: 11:23 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

5:58 AM - 8:28 AM
6:30 PM - 9:00 PM

Minor Periods

12:00 AM - 12:00 AM
2:07 PM - 3:37 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: 6:47 AM
Sun Transit: 12:56 AM
Sunset: 7:06 PM
Daylight: 12 hrs 19 mins
Moonrise: 2:37 PM
Moon Transit: 7:00 PM
Moonset: 11:23 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

5:58 AM - 8:28 AM
6:30 PM - 9:00 PM

Minor Periods

12:00 AM - 12:00 AM
2:07 PM - 3:37 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: 6:48 AM
Sun Transit: 12:56 AM
Sunset: 7:04 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:24 PM
Moon Transit: 7:50 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

6:50 AM - 9:20 AM
7:20 PM - 9:50 PM

Minor Periods

2:54 PM - 4:24 PM
12:00 AM - 12:00 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: 6:48 AM
Sun Transit: 12:56 AM
Sunset: 7:04 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:24 PM
Moon Transit: 7:50 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

6:50 AM - 9:20 AM
7:20 PM - 9:50 PM

Minor Periods

2:54 PM - 4:24 PM
12:00 AM - 12:00 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: 6:48 AM
Sun Transit: 12:55 AM
Sunset: 7:03 PM
Daylight: 12 hrs 14 mins
Moonrise: 4:05 PM
Moon Transit: 8:40 PM
Moonset: 12:21 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

7:41 AM - 10:11 AM
8:10 PM - 10:40 PM

Minor Periods

3:35 PM - 5:05 PM
12:00 AM - 12:00 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: 6:48 AM
Sun Transit: 12:55 AM
Sunset: 7:03 PM
Daylight: 12 hrs 14 mins
Moonrise: 4:05 PM
Moon Transit: 8:40 PM
Moonset: 12:21 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

7:41 AM - 10:11 AM
8:10 PM - 10:40 PM

Minor Periods

3:35 PM - 5:05 PM
12:00 AM - 12:00 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

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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