Water Temperature of the Illinois River in Florence, IL
Current Water Temperature
Feels brisk on entry. Great for short dips; wetsuit recommended for extended swimming or water sports.
Measurement Time: Thursday, November 5, 2026, 8:30 PM CST
Temperature Locations
View Nearby Locations View All Illinois Locations View Locations Near Me
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
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

Humidity: 75%
Feels Like: 46.4°F
Wind: NNW 9.2 mph
Wind Gusts: 16 mph
Precipitation: 0 in
Cloud Cover: 99%
Visibility: 6 mi
UV Index: 0
Weather Forecast

Fri
H: 53°F
L: 39°F

Sat
H: 54°F
L: 35°F

Sun
H: 66°F
L: 39°F
Air Quality
Air quality is satisfactory, and air pollution poses little or no risk.
Astronomical
Best Times for Fishing or Hunting
Major Periods
9:12 AM - 11:42 AM9:35 PM - 12:05 AM
Minor Periods
3:28 AM - 4:58 AM2:48 PM - 4:18 PM
Freeze Warning issued November 6 at 1:59AM CST until November 7 at 8:00AM CST by NWS St Louis MO
Effective: Fri November 6, 2026, 1:59 AM
Expires: Fri November 6, 2026, 5:00 PM
* WHAT...Sub-freezing temperatures as low as the upper 20s expected. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...From midnight tonight to 8 AM CST Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Weather Forecast
Average Temperature: 47.7°F
Average Humidity: 62%
Wind: 11.9 mph
UV Index: 2.9
Astronomical
Best Times for Fishing or Hunting
Major Periods
9:12 AM - 11:42 AM9:35 PM - 12:05 AM
Minor Periods
3:28 AM - 4:58 AM2:48 PM - 4:18 PM
Weather Forecast
Average Temperature: 43.6°F
Average Humidity: 59%
Wind: 6 mph
UV Index: 2.8
Astronomical
Best Times for Fishing or Hunting
Major Periods
9:57 AM - 12:27 PM10:20 PM - 12:50 AM
Minor Periods
4:33 AM - 6:03 AM3:13 PM - 4:43 PM
Weather Forecast
Average Temperature: 50.5°F
Average Humidity: 64%
Wind: 11.4 mph
UV Index: 2.3
Astronomical
Best Times for Fishing or Hunting
Major Periods
10:43 AM - 1:13 PM11:07 PM - 1:37 AM
Minor Periods
5:38 AM - 7:08 AM3:42 PM - 5:12 PM
