Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

75.7°F

Measurement Time: Monday, June 29, 2026, 2:30 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

84.9°F
Clear
Clear
92.3°F
88.7°F
77%
S 7.6 mph
16 mph
83.1°F
72°F
0 in
0%
9 mi
1013 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 96°F
L: 75°F
Sunny
Tue
H: 93°F
L: 72°F
Sunny
Wed
H: 94°F
L: 73°F
Sunny
Thu
H: 90°F
L: 73°F
Sunny
Fri
H: 93°F
L: 73°F

Air Quality

PM2.5: 10.8 μg/m3
PM10: 14.1 μg/m3
Carbon Monoxide: 120 μg/m3
Nitrogen Dioxide: 4.2 μg/m3
Sulphur Dioxide: 2.8 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:06 PM
Sunset: 8:35 PM
Daylight: 14 hrs 57 mins
Moonrise: 8:53 PM
Moon Transit: 12:29 AM
Moonset: 4:54 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:19 AM - 2:49 PM

Minor Periods

8:23 PM - 9:53 PM
4:24 AM - 5:54 AM

Action Rating: 5 out of 5

Heat Advisory issued June 29 at 1:23AM CDT until July 3 at 10:00PM CDT by NWS St Louis MO

Effective: Mon June 29, 2026, 1:23 AM
Expires: Mon June 29, 2026, 4:30 PM

* WHAT...Heat index values up to 107. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...Until 10 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Monday, June 29, 2026

Weather Forecast

Sunny
96.1°F
75.4°F
85.2°F
71%
0 in
6%
0%
14.5 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 8.75 μg/m3
PM10: 10.52 μg/m3
Carbon Monoxide: 117.25 μg/m3
Nitrogen Dioxide: 3.14 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 65.88 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:06 PM
Sunset: 8:35 PM
Daylight: 14 hrs 57 mins
Moonrise: 8:53 PM
Moon Transit: 12:29 AM
Moonset: 4:54 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:19 AM - 2:49 PM

Minor Periods

8:23 PM - 9:53 PM
4:24 AM - 5:54 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
92.5°F
72°F
82.5°F
75%
0 in
7%
0%
13.9 mph
10.3


Air Quality

AQI: 2 - Moderate
PM2.5: 17.05 μg/m3
PM10: 28.56 μg/m3
Carbon Monoxide: 116.67 μg/m3
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 62.67 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:06 PM
Sunset: 8:34 PM
Daylight: 14 hrs 57 mins
Moonrise: 9:32 PM
Moon Transit: 1:20 AM
Moonset: 5:51 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:50 AM - 3:20 AM
1:10 PM - 3:40 PM

Minor Periods

9:02 PM - 10:32 PM
5:21 AM - 6:51 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
93.5°F
73.1°F
83°F
75%
0 in
7%
0%
10.7 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 11.67 μg/m3
PM10: 15.72 μg/m3
Carbon Monoxide: 142.06 μg/m3
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 69.46 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:06 PM
Sunset: 8:34 PM
Daylight: 14 hrs 56 mins
Moonrise: 10:06 PM
Moon Transit: 2:10 AM
Moonset: 6:53 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:40 AM - 4:10 AM
1:59 PM - 4:29 PM

Minor Periods

9:36 PM - 11:06 PM
6:23 AM - 7:53 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
89.6°F
72.6°F
80.8°F
81%
0.03 in
44%
0%
14.3 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 7.24 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 187.05 μg/m3
Nitrogen Dioxide: 3.27 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 70.7 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:06 PM
Sunset: 8:34 PM
Daylight: 14 hrs 55 mins
Moonrise: 10:34 PM
Moon Transit: 2:57 AM
Moonset: 7:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
2:45 PM - 5:15 PM

Minor Periods

10:04 PM - 11:34 PM
7:26 AM - 8:56 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
92.7°F
73°F
81.3°F
79%
0.16 in
68%
0%
15.7 mph
10.3


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: 5:39 AM
Sun Transit: 1:06 PM
Sunset: 8:34 PM
Daylight: 14 hrs 55 mins
Moonrise: 10:59 PM
Moon Transit: 3:43 AM
Moonset: 9:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
3:30 PM - 6:00 PM

Minor Periods

10:29 PM - 11:59 PM
8:30 AM - 10:00 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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