Water Temperature of the Illinois River in Florence, IL
Current Water Temperature
Measurement Time: Friday, July 25, 2025, 2:45 PM CDT
Temperature Locations
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Local Points of Interest
Florence BridgeSponsored Content
Station Name: ILLINOIS RIVER AT FLORENCE, IL
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 427 feet / 130 meters
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 (59.0 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

Humidity: 97%
Feels Like: 86.5°F
Wind: SE 5.4 mph
Wind Gusts: 11.3 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Fri
H: 93°F
L: 73°F

Sat
H: 96°F
L: 73°F

Sun
H: 95°F
L: 77°F

Mon
H: 97°F
L: 74°F

Tue
H: 94°F
L: 76°F
Air Quality
Nitrogen Dioxide: 16.47 μg/m3
Sulphur Dioxide: 5.55 μg/m3
Ozone: 73 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:22 PM
Daylight: 14 hrs 26 mins
Moon Transit: 2:03 PM
Moonset: 9:17 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
1:02 AM - 3:32 AM1:33 PM - 4:03 PM
Minor Periods
8:47 PM - 10:17 PM6:08 AM - 7:38 AM
Action Rating: 5 out of 5
Heat Advisory issued July 25 at 2:11PM CDT until July 26 at 7:00PM CDT by NWS Lincoln IL
Effective: Fri July 25, 2025, 2:11 PM
Expires: Sat July 26, 2025, 4:45 AM
* WHAT...Heat index values up to 105. * WHERE...Macon, Sangamon, Morgan, and Scott Counties. * WHEN...Until 7 PM CDT Saturday. * 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.
Heat Advisory issued July 25 at 2:18PM CDT until July 29 at 7:00PM CDT by NWS St Louis MO
Effective: Fri July 25, 2025, 2:18 PM
Expires: Sat July 26, 2025, 5:30 AM
* WHAT...Heat index values up to 109 expected. * WHERE...In Illinois, Pike IL County. In Missouri, Audrain MO, Monroe MO, Pike MO, and Ralls MO Counties. * WHEN...From noon Saturday to 7 PM CDT Tuesday. * 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.
Heat Advisory issued July 25 at 2:18PM CDT until July 29 at 7:00PM CDT by NWS St Louis MO
Effective: Fri July 25, 2025, 2:18 PM
Expires: Sat July 26, 2025, 5:30 AM
* WHAT...Heat index values up to 109. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 7 PM CDT Tuesday. * 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.
Heat Advisory issued July 25 at 2:11PM CDT until July 26 at 7:00PM CDT by NWS Lincoln IL
Effective: Fri July 25, 2025, 2:11 PM
Expires: Sat July 26, 2025, 4:45 AM
* WHAT...Heat index values up to 105. * WHERE...Macon, Sangamon, Morgan, and Scott Counties. * WHEN...Until 7 PM CDT Saturday. * 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.
Heat Advisory issued July 25 at 2:18PM CDT until July 29 at 7:00PM CDT by NWS St Louis MO
Effective: Fri July 25, 2025, 2:18 PM
Expires: Sat July 26, 2025, 5:30 AM
* WHAT...Heat index values up to 109. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 7 PM CDT Tuesday. * 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.
Weather Forecast
Average Temperature: 81.3°F
Average Humidity: 87%
Wind: 8.3 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 14.74 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 80.48 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:22 PM
Daylight: 14 hrs 26 mins
Moon Transit: 2:03 PM
Moonset: 9:17 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
1:02 AM - 3:32 AM1:33 PM - 4:03 PM
Minor Periods
8:47 PM - 10:17 PM6:08 AM - 7:38 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 83.8°F
Average Humidity: 81%
Wind: 12.5 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 9.44 μg/m3
Sulphur Dioxide: 2.64 μg/m3
Ozone: 92.76 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:21 PM
Daylight: 14 hrs 24 mins
Moon Transit: 2:52 PM
Moonset: 9:43 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
1:53 AM - 4:23 AM2:22 PM - 4:52 PM
Minor Periods
9:13 PM - 10:43 PM7:18 AM - 8:48 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 84.2°F
Average Humidity: 83%
Wind: 8.3 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 7.33 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 84.92 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:20 PM
Daylight: 14 hrs 23 mins
Moon Transit: 3:36 PM
Moonset: 10:06 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
2:39 AM - 5:09 AM3:06 PM - 5:36 PM
Minor Periods
9:36 PM - 11:06 PM8:26 AM - 9:56 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 84.7°F
Average Humidity: 79%
Wind: 8.5 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 7.71 μg/m3
Sulphur Dioxide: 2.26 μg/m3
Ozone: 89.76 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:19 PM
Daylight: 14 hrs 21 mins
Moon Transit: 4:18 PM
Moonset: 10:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 9.3%
Best Times for Fishing or Hunting
Major Periods
3:22 AM - 5:52 AM3:48 PM - 6:18 PM
Minor Periods
9:57 PM - 11:27 PM9:29 AM - 10:59 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 84.3°F
Average Humidity: 77%
Wind: 6.9 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 19.4 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 57.77 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:18 PM
Daylight: 14 hrs 19 mins
Moon Transit: 4:58 PM
Moonset: 10:47 PM
Moon Phase: Waxing Crescent
Moon Illumination: 16.9%
Best Times for Fishing or Hunting
Major Periods
4:03 AM - 6:33 AM4:28 PM - 6:58 PM
Minor Periods
10:17 PM - 11:47 PM10:31 AM - 12:01 AM
Action Rating: 2 out of 5