Water Temperature of the Illinois River in Florence, IL

Current Water Temperature

40.1°F

Measurement Time: Wednesday, March 4, 2026, 9:45 PM CST

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

44.1°F
Overcast
Overcast
39.6°F
44.9°F
99%
SSW 7.8 mph
13.7 mph
42.4°F
44.7°F
0 in
100%
2 mi
1015 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 56°F
L: 45°F
Patchy rain nearby
Fri
H: 71°F
L: 51°F
Moderate rain
Sat
H: 57°F
L: 42°F
Sunny
Sun
H: 61°F
L: 42°F
Patchy rain nearby
Mon
H: 74°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 11.95 μg/m3
PM10: 12.15 μg/m3
Carbon Monoxide: 241.85 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:13 AM
Sunset: 5:59 PM
Daylight: 11 hrs 30 mins
Moonrise: 8:37 PM
Moon Transit: 1:31 AM
Moonset: 7:19 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:17 PM - 3:47 PM

Minor Periods

8:07 PM - 9:37 PM
6:49 AM - 8:19 AM

Action Rating: 4 out of 5

Dense Fog Advisory issued March 4 at 9:23PM CST until March 5 at 6:00AM CST by NWS Lincoln IL

Effective: Wed March 4, 2026, 9:23 PM
Expires: Thu March 5, 2026, 6:00 AM

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...Until 6 AM CST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued March 4 at 8:42PM CST until March 5 at 6:00AM CST by NWS St Louis MO

Effective: Wed March 4, 2026, 8:42 PM
Expires: Thu March 5, 2026, 6:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of south central, southwest, and west central Illinois and central and northeast Missouri. * WHEN...Until 6 AM CST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Thursday, March 5, 2026

Weather Forecast

Patchy rain nearby
55.8°F
44.8°F
48.7°F
95%
0.03 in
86%
0%
11.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 11.56 μg/m3
PM10: 11.93 μg/m3
Carbon Monoxide: 244.97 μg/m3
Nitrogen Dioxide: 6.88 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 55.92 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:13 AM
Sunset: 5:59 PM
Daylight: 11 hrs 30 mins
Moonrise: 8:37 PM
Moon Transit: 1:31 AM
Moonset: 7:19 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:17 PM - 3:47 PM

Minor Periods

8:07 PM - 9:37 PM
6:49 AM - 8:19 AM

Action Rating: 4 out of 5

Friday, March 6, 2026

Weather Forecast

Patchy rain nearby
70.9°F
50.5°F
61.2°F
89%
0.11 in
82%
0%
20.8 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 8.21 μg/m3
PM10: 8.43 μg/m3
Carbon Monoxide: 186.81 μg/m3
Nitrogen Dioxide: 6.53 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 61.96 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 12:13 AM
Sunset: 6:00 PM
Daylight: 11 hrs 32 mins
Moonrise: 9:41 PM
Moon Transit: 2:13 AM
Moonset: 7:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
2:00 PM - 4:30 PM

Minor Periods

9:11 PM - 10:41 PM
7:11 AM - 8:41 AM

Action Rating: 2 out of 5

Saturday, March 7, 2026

Weather Forecast

Moderate rain
56.5°F
41.5°F
51.8°F
72%
0.67 in
85%
0%
23.3 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 3.3 μg/m3
PM10: 3.39 μg/m3
Carbon Monoxide: 151.85 μg/m3
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 61.32 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 12:13 AM
Sunset: 6:01 PM
Daylight: 11 hrs 35 mins
Moonrise: 10:45 PM
Moon Transit: 2:57 AM
Moonset: 8:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
2:44 PM - 5:14 PM

Minor Periods

10:15 PM - 11:45 PM
7:36 AM - 9:06 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Sunny
61.1°F
41.7°F
50.3°F
63%
0 in
0%
0%
9.6 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 3.77 μg/m3
PM10: 4.08 μg/m3
Carbon Monoxide: 181.3 μg/m3
Nitrogen Dioxide: 4.47 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 66.88 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 12:00 AM
Sunset: 6:02 PM
Daylight: 11 hrs 37 mins
Moonrise: 11:48 PM
Moon Transit: 3:42 AM
Moonset: 8:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:12 AM - 5:42 AM
3:30 PM - 6:00 PM

Minor Periods

12:00 AM - 12:00 AM
8:04 AM - 9:34 AM

Action Rating: 3 out of 5

Monday, March 9, 2026

Weather Forecast

Patchy rain nearby
74.2°F
47.1°F
57.1°F
79%
0.02 in
73%
0%
21.3 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 4.08 μg/m3
PM10: 4.29 μg/m3
Carbon Monoxide: 174.85 μg/m3
Nitrogen Dioxide: 4.26 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 75.33 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 12:00 AM
Sunset: 6:03 PM
Daylight: 11 hrs 40 mins
Moonrise: 12:48 AM
Moon Transit: 4:29 AM
Moonset: 9:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

3:59 AM - 6:29 AM
4:18 PM - 6:48 PM

Minor Periods

8:36 AM - 10:06 AM
12:00 AM - 12:00 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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