Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

85.8°F

Measurement Time: Sunday, September 6, 2026, 2:30 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

71°F
Cloudy
Cloudy
97%
NE 5 mph
70°F

Weather Forecast

Mostly Sunny
Today
89°F - Mostly Sunny
Partly Cloudy
Tonight
61°F - Partly Cloudy
Sunny
Labor Day
87°F - Sunny
Partly Cloudy
Monday Night
62°F - Partly Cloudy
Sunny
Tuesday
94°F - Sunny
Mostly Clear
Tuesday Night
73°F - Mostly Clear
Slight Chance Showers And Thunderstorms
Wednesday
95°F - Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday Night
67°F - Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Thursday
84°F - Showers And Thunderstorms Likely
Mostly Clear then Slight Chance Rain Showers
Thursday Night
60°F - Mostly Clear then Slight Chance Rain Showers
Slight Chance Rain Showers
Friday
86°F - Slight Chance Rain Showers
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Friday Night
63°F - Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Sunny
Saturday
90°F - Slight Chance Showers And Thunderstorms then Sunny
Chance Showers And Thunderstorms
Saturday Night
66°F - Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:00 PM
Sunset: 7:25 PM
Daylight: 12 hrs 50 mins
Moonrise: 1:02 AM
Moon Transit: 9:02 AM
Moonset: 4:54 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:32 AM - 11:02 AM
8:57 PM - 11:27 PM

Minor Periods

4:24 PM - 5:54 PM
12:32 AM - 2:02 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: 6:36 AM
Sun Transit: 1:00 PM
Sunset: 7:25 PM
Daylight: 12 hrs 50 mins
Moonrise: 1:02 AM
Moon Transit: 9:02 AM
Moonset: 4:54 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:32 AM - 11:02 AM
8:57 PM - 11:27 PM

Minor Periods

4:24 PM - 5:54 PM
12:32 AM - 2:02 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: 6:36 AM
Sun Transit: 1:00 PM
Sunset: 7:25 PM
Daylight: 12 hrs 50 mins
Moonrise: 1:02 AM
Moon Transit: 9:02 AM
Moonset: 4:54 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:32 AM - 11:02 AM
8:57 PM - 11:27 PM

Minor Periods

4:24 PM - 5:54 PM
12:32 AM - 2:02 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: 6:37 AM
Sun Transit: 1:00 PM
Sunset: 7:24 PM
Daylight: 12 hrs 47 mins
Moonrise: 2:17 AM
Moon Transit: 10:02 AM
Moonset: 5:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:32 AM - 12:02 AM

Minor Periods

5:05 PM - 6:35 PM
1:47 AM - 3:17 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: 6:37 AM
Sun Transit: 1:00 PM
Sunset: 7:24 PM
Daylight: 12 hrs 47 mins
Moonrise: 2:17 AM
Moon Transit: 10:02 AM
Moonset: 5:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:32 AM - 12:02 AM

Minor Periods

5:05 PM - 6:35 PM
1:47 AM - 3:17 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: 6:37 AM
Sun Transit: 1:00 PM
Sunset: 7:22 PM
Daylight: 12 hrs 44 mins
Moonrise: 3:33 AM
Moon Transit: 10:57 AM
Moonset: 6:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:27 AM - 12:57 AM

Minor Periods

5:39 PM - 7:09 PM
3:03 AM - 4:33 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: 6:37 AM
Sun Transit: 1:00 PM
Sunset: 7:22 PM
Daylight: 12 hrs 44 mins
Moonrise: 3:33 AM
Moon Transit: 10:57 AM
Moonset: 6:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:27 AM - 12:57 AM

Minor Periods

5:39 PM - 7:09 PM
3:03 AM - 4:33 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: 6:38 AM
Sun Transit: 1:00 PM
Sunset: 7:20 PM
Daylight: 12 hrs 42 mins
Moonrise: 4:49 AM
Moon Transit: 11:49 AM
Moonset: 6:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:19 AM - 1:49 PM

Minor Periods

6:08 PM - 7:38 PM
4:19 AM - 5:49 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: 6:38 AM
Sun Transit: 1:00 PM
Sunset: 7:20 PM
Daylight: 12 hrs 42 mins
Moonrise: 4:49 AM
Moon Transit: 11:49 AM
Moonset: 6:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:19 AM - 1:49 PM

Minor Periods

6:08 PM - 7:38 PM
4:19 AM - 5:49 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: 6:39 AM
Sun Transit: 1:00 PM
Sunset: 7:19 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:01 AM
Moon Transit: 12:38 AM
Moonset: 7:03 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:08 AM - 2:38 PM

Minor Periods

6:33 PM - 8:03 PM
5:31 AM - 7:01 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: 6:39 AM
Sun Transit: 1:00 PM
Sunset: 7:19 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:01 AM
Moon Transit: 12:38 AM
Moonset: 7:03 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:08 AM - 2:38 PM

Minor Periods

6:33 PM - 8:03 PM
5:31 AM - 7:01 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: 6:40 AM
Sun Transit: 12:58 AM
Sunset: 7:17 PM
Daylight: 12 hrs 37 mins
Moonrise: 7:11 AM
Moon Transit: 1:24 PM
Moonset: 7:26 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:26 AM - 2:56 AM
12:54 AM - 3:24 PM

Minor Periods

6:56 PM - 8:26 PM
6:41 AM - 8:11 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: 6:40 AM
Sun Transit: 12:58 AM
Sunset: 7:17 PM
Daylight: 12 hrs 37 mins
Moonrise: 7:11 AM
Moon Transit: 1:24 PM
Moonset: 7:26 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:26 AM - 2:56 AM
12:54 AM - 3:24 PM

Minor Periods

6:56 PM - 8:26 PM
6:41 AM - 8:11 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: 6:41 AM
Sun Transit: 12:58 AM
Sunset: 7:15 PM
Daylight: 12 hrs 34 mins
Moonrise: 8:19 AM
Moon Transit: 2:09 PM
Moonset: 7:49 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:11 AM - 3:41 AM
1:39 PM - 4:09 PM

Minor Periods

7:19 PM - 8:49 PM
7:49 AM - 9:19 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: 6:41 AM
Sun Transit: 12:58 AM
Sunset: 7:15 PM
Daylight: 12 hrs 34 mins
Moonrise: 8:19 AM
Moon Transit: 2:09 PM
Moonset: 7:49 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:11 AM - 3:41 AM
1:39 PM - 4:09 PM

Minor Periods

7:19 PM - 8:49 PM
7:49 AM - 9:19 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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