Water Temperature of the Mississippi River in Illinois City, IL

Current Water Temperature

32.0°F

Measurement Time: Saturday, December 13, 2025, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Muscatine, IA

Mississippi River

Station Name: Illinois City L&D 16
Data Source: USGS

Elevation Above Sea Level: 538 feet

Nearest Address:
33153 102nd Ave W
Illinois City, IL 61259
Rock Island County

GPS Coordinates: 41.4256, -91.0094

Nearby Water Temperatures

Mississippi River, New Boston, IL (16.3 mi)
Mississippi River, Rock Island, IL (23.9 mi)
Mississippi River, Le Claire, IA (33.1 mi)
Mississippi River, Gladstone, IL (37.6 mi)
Mississippi River, Camanche, IA (46.2 mi)
Beaver Slough, Clinton, IA (50.6 mi)
North Fork Maquoketa River, Maquoketa, IA (53 mi)
Mississippi River, Fulton, IL (54.6 mi)
Mississippi River, Fulton, IL (54.9 mi)
Morgan Creek, Cedar Rapids, IA (54.9 mi)
Cedar River, Palo, IA (59.8 mi)
Mississippi River, Bellevue, IA (65.1 mi)
Mississippi River, Keokuk, IA (73.8 mi)
Des Moines River, Ottumwa, IA (78.3 mi)
Mississippi River, Dubuque, IA (79.2 mi)

Weather for Illinois City, Illinois

Current Weather

79°F
Partly cloudy
Partly cloudy
84°F
79.4°F
65%
SSW 21.7 mph
40.7 mph
74.9°F
67.8°F
0.05 in
50%
9 mi
1001 mbar
1.6

Five Day Weather Forecast

Heavy rain
Fri
H: 89°F
L: 48°F
Patchy rain nearby
Sat
H: 57°F
L: 38°F
Sunny
Sun
H: 56°F
L: 33°F
Sunny
Mon
H: 68°F
L: 35°F
Partly Cloudy
Tue
H: 73°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 6.55 μg/m3
PM10: 6.95 μg/m3
Carbon Monoxide: 149.85 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:03 PM
Sunset: 7:47 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:06 AM
Moon Transit: 1:11 PM
Moonset: 8:32 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:06 AM - 2:36 AM
12:41 AM - 3:11 PM

Minor Periods

8:02 PM - 9:32 PM
5:36 AM - 7:06 AM

Action Rating: 4 out of 5

Flood Warning issued April 16 at 9:20PM CDT by NWS Quad Cities IA IL

Effective: Thu April 16, 2026, 9:20 PM
Expires: Fri April 17, 2026, 9:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Keithsburg affecting Mercer, Louisa, Henderson and Des Moines Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Muscatine affecting Mercer, Rock Island, Muscatine and Louisa Counties. ...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Burlington affecting Lee, Hancock, Henderson and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Muscatine. * WHEN...From late Sunday night until further notice. * IMPACTS...At 16.0 feet, Water affects the lower portion of the Riverside Park parking lot. * ADDITIONAL DETAILS... - At 8:15 PM CDT Thursday the stage was 14.5 feet. - Forecast...The river is expected to rise above flood stage early Monday morning and continue rising to 16.9 feet Thursday, April 23. Additional rises are possible thereafter. - Flood stage is 16.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. The next statement will be issued by Friday evening at 930 PM CDT.


Flood Warning issued April 16 at 8:50PM CDT until April 22 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Thu April 16, 2026, 8:50 PM
Expires: Fri April 17, 2026, 9:00 PM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Cedar River near Conesville affecting Muscatine and Louisa Counties. Iowa River at Marengo affecting Benton and Iowa Counties. Iowa River at Wapello affecting Louisa County. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. ...The Flood Warning continues for the following rivers in Iowa... Illinois... Iowa River at Oakville affecting Louisa County. Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... English River at Kalona affecting Johnson and Washington Counties. * WHAT...Minor flooding is forecast. * WHERE...Cedar River near Conesville. * WHEN...From late Friday night to Wednesday evening. * IMPACTS...At 14.0 feet, Water affects residences along County Road F70. * ADDITIONAL DETAILS... - At 8:00 PM CDT Thursday the stage was 11.8 feet. - Forecast...The river is expected to rise above flood stage early Saturday morning to a crest of 13.8 feet early Monday afternoon. It will then fall below flood stage late Wednesday morning. - Flood stage is 13.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by this evening at 1000 PM CDT.


Flood Watch issued April 17 at 12:46PM CDT until April 18 at 4:00AM CDT by NWS Quad Cities IA IL

Effective: Fri April 17, 2026, 12:46 PM
Expires: Sat April 18, 2026, 4:00 AM

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Bureau, Carroll, Hancock, Henderson, Henry IL, Jo Daviess, McDonough, Mercer, Putnam, Rock Island, Stephenson, Warren and Whiteside, Iowa, including the following areas, Buchanan, Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry IA, Jackson, Johnson, Jones, Lee, Linn, Louisa, Muscatine, Scott and Washington, and northeast Missouri, including the following area, Clark. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Recent rounds of heavy rain have resulted in saturated soils north of Interstate 80. South of Interstate 80, soils are quite moist.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Tornado Watch issued April 17 at 12:40PM CDT until April 17 at 8:00PM CDT by NWS Quad Cities IA IL

Effective: Fri April 17, 2026, 12:40 PM
Expires: Fri April 17, 2026, 8:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 129 IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 13 COUNTIES IN NORTH CENTRAL ILLINOIS BUREAU PUTNAM IN NORTHWEST ILLINOIS CARROLL HENRY IL JO DAVIESS MERCER ROCK ISLAND STEPHENSON WHITESIDE IN WEST CENTRAL ILLINOIS HANCOCK HENDERSON MCDONOUGH WARREN IN IOWA THIS WATCH INCLUDES 21 COUNTIES IN EAST CENTRAL IOWA BENTON CEDAR CLINTON IOWA JACKSON JOHNSON JONES LINN MUSCATINE SCOTT IN NORTHEAST IOWA BUCHANAN DELAWARE DUBUQUE IN SOUTHEAST IOWA DES MOINES HENRY IA JEFFERSON KEOKUK LEE LOUISA VAN BUREN WASHINGTON IN MISSOURI THIS WATCH INCLUDES 2 COUNTIES IN NORTHEAST MISSOURI CLARK SCOTLAND THIS INCLUDES THE CITIES OF ALEDO, ANAMOSA, BETTENDORF, BURLINGTON, CARTHAGE, CEDAR RAPIDS, CLINTON, CREDIT ISLAND, DAVENPORT, DUBUQUE, FAIRFIELD, FREEPORT, GALENA, GENESEO, HENNEPIN, INDEPENDENCE, IOWA CITY, KAHOKA, KEOKUK, KEOSAUQUA, MACOMB, MANCHESTER, MAQUOKETA, MARENGO, MEMPHIS, MOLINE, MONMOUTH, MOUNT CARROLL, MOUNT PLEASANT, MUSCATINE, OQUAWKA, PRINCETON, ROCK ISLAND, SIGOURNEY, STERLING, TIPTON, VINTON, WAPELLO, AND WASHINGTON.


Flood Warning issued April 17 at 11:21AM CDT by NWS Quad Cities IA IL

Effective: Fri April 17, 2026, 11:21 AM
Expires: Sat April 18, 2026, 11:30 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Illinois...Iowa... Mississippi River at Rock Island LD15 affecting Muscatine, Scott and Rock Island Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island Counties. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Ill. City LD16. * WHEN...From Wednesday morning until further notice. * IMPACTS...At 16.0 feet, Water affects the park at Andalusia. * ADDITIONAL DETAILS... - At 11:00 AM CDT Friday the stage was 13.1 feet. - Forecast...The river is expected to rise above flood stage Wednesday morning and continue rising to 15.7 feet Friday, April 24. Additional rises are possible thereafter. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. The next statement will be issued by Saturday morning at 1130 AM CDT.


Friday, April 17, 2026

Weather Forecast

Heavy rain
88.9°F
47.8°F
66.5°F
80%
0.92 in
89%
0%
23.9 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 5.88 μg/m3
PM10: 6.73 μg/m3
Carbon Monoxide: 160.93 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 78.64 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:03 PM
Sunset: 7:47 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:06 AM
Moon Transit: 1:11 PM
Moonset: 8:32 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:06 AM - 2:36 AM
12:41 AM - 3:11 PM

Minor Periods

8:02 PM - 9:32 PM
5:36 AM - 7:06 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Patchy rain nearby
56.8°F
37.9°F
46.8°F
59%
0.01 in
82%
0%
20.1 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 3.72 μg/m3
PM10: 3.99 μg/m3
Carbon Monoxide: 161.45 μg/m3
Nitrogen Dioxide: 2.42 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 80.36 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:03 PM
Sunset: 7:48 PM
Daylight: 13 hrs 28 mins
Moonrise: 6:37 AM
Moon Transit: 2:07 PM
Moonset: 9:53 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

1:00 AM - 3:30 AM
1:37 PM - 4:07 PM

Minor Periods

9:23 PM - 10:53 PM
6:07 AM - 7:37 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Sunny
56.3°F
33.4°F
45.3°F
56%
0 in
0%
0%
15.4 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 3.91 μg/m3
PM10: 4.43 μg/m3
Carbon Monoxide: 156.25 μg/m3
Nitrogen Dioxide: 3.07 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 80.24 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:03 PM
Sunset: 7:49 PM
Daylight: 13 hrs 31 mins
Moonrise: 7:15 AM
Moon Transit: 3:09 PM
Moonset: 11:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
2:39 PM - 5:09 PM

Minor Periods

12:00 AM - 12:00 AM
6:45 AM - 8:15 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Sunny
67.9°F
35.4°F
52.1°F
61%
0 in
0%
0%
14.5 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 5.34 μg/m3
PM10: 6.03 μg/m3
Carbon Monoxide: 167.27 μg/m3
Nitrogen Dioxide: 3.46 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 81.96 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:02 PM
Sunset: 7:50 PM
Daylight: 13 hrs 33 mins
Moonrise: 8:04 AM
Moon Transit: 4:13 PM
Moonset: 12:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

3:02 AM - 5:32 AM
3:43 PM - 6:13 PM

Minor Periods

7:34 AM - 9:04 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Partly Cloudy
73.4°F
53.4°F
62.5°F
69%
0 in
0%
0%
14.1 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 5.99 μg/m3
PM10: 6.71 μg/m3
Carbon Monoxide: 178.67 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 2.63 μg/m3
Ozone: 89.46 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:02 PM
Sunset: 7:51 PM
Daylight: 13 hrs 36 mins
Moonrise: 9:05 AM
Moon Transit: 5:18 PM
Moonset: 12:27 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

4:07 AM - 6:37 AM
4:48 PM - 7:18 PM

Minor Periods

8:35 AM - 10:05 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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