Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

83.1°F

Measurement Time: Wednesday, September 9, 2026, 4:15 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

81°F
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
67%
N 7 mph
69°F

Weather Forecast

Chance Showers And Thunderstorms
Today
90°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tonight
69°F - Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Thursday
81°F - Showers And Thunderstorms Likely
Partly Cloudy
Thursday Night
60°F - Partly Cloudy
Sunny
Friday
84°F - Sunny
Mostly Clear
Friday Night
65°F - Mostly Clear
Chance Rain Showers
Saturday
87°F - Chance Rain Showers
Chance Showers And Thunderstorms
Saturday Night
66°F - Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Sunday
87°F - Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Sunday Night
69°F - Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Monday
92°F - Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Monday Night
68°F - Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday
84°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday Night
62°F - Chance Showers And Thunderstorms

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: 6:38 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

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: 6:42 AM
Sun Transit: 12:58 AM
Sunset: 7:14 PM
Daylight: 12 hrs 32 mins
Moonrise: 9:26 AM
Moon Transit: 2:54 PM
Moonset: 8:14 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

1:56 AM - 4:26 AM
2:24 PM - 4:54 PM

Minor Periods

7:44 PM - 9:14 PM
8:56 AM - 10:26 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: 6:42 AM
Sun Transit: 12:58 AM
Sunset: 7:14 PM
Daylight: 12 hrs 32 mins
Moonrise: 9:26 AM
Moon Transit: 2:54 PM
Moonset: 8:14 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

1:56 AM - 4:26 AM
2:24 PM - 4:54 PM

Minor Periods

7:44 PM - 9:14 PM
8:56 AM - 10:26 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: 6:43 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

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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