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

36.1°F
Partly cloudy
Partly cloudy
31.8°F
37.8°F
93%
NNW 5.1 mph
9.3 mph
35.6°F
33.9°F
0 in
75%
9 mi
1021 mbar
0.2

Five Day Weather Forecast

Sunny
Sat
H: 64°F
L: 34°F
Overcast
Sun
H: 69°F
L: 45°F
Patchy rain nearby
Mon
H: 76°F
L: 51°F
Partly Cloudy
Tue
H: 58°F
L: 43°F
Patchy rain nearby
Wed
H: 53°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 8.05 μg/m3
Carbon Monoxide: 141.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 101 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:01 PM
Sunset: 8:03 PM
Daylight: 14 hrs 3 mins
Moonrise: 9:34 PM
Moon Transit: 1:19 AM
Moonset: 6:02 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
1:04 PM - 3:34 PM

Minor Periods

9:04 PM - 10:34 PM
5:32 AM - 7:02 AM

Action Rating: 4 out of 5

Frost Advisory issued May 1 at 8:35PM CDT until May 2 at 8:00AM CDT by NWS Quad Cities IA IL

Effective: Fri May 1, 2026, 8:35 PM
Expires: Sat May 2, 2026, 8:00 AM

* WHAT...Temperatures as low as the lower 30s will result in frost formation. * WHERE...Portions of northwest Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold. If you can, bring your plants inside to protect them, or cover your outdoor plants with a blanket.


Frost Advisory issued May 1 at 8:35PM CDT until May 2 at 8:00AM CDT by NWS Quad Cities IA IL

Effective: Fri May 1, 2026, 8:35 PM
Expires: Sat May 2, 2026, 8:00 AM

* WHAT...Temperatures as low as the lower 30s will result in frost formation. * WHERE...Bureau, Putnam, Henry IL, and Mercer Counties. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold. If you can, bring your plants inside to protect them, or cover your outdoor plants with a blanket.


Flood Warning issued May 1 at 8:43AM CDT until May 2 at 9:00AM CDT by NWS Quad Cities IA IL

Effective: Fri May 1, 2026, 8:43 AM
Expires: Sat May 2, 2026, 8:45 AM

...The Flood Warning continues for the following rivers in Illinois... Rock River near Joslin affecting Whiteside, Rock Island and Henry IL Counties. * WHAT...Minor flooding is occurring and will continue. * WHERE...Rock River near Joslin. * WHEN...Until late tomorrow morning. * IMPACTS...At 12.0 feet, Water affects low lying agricultural land. * ADDITIONAL DETAILS... - At 7:45 AM CDT Friday the stage was 12.2 feet. - Forecast...The river is expected to fall below flood stage tonight and continue falling through the weekend. - Flood stage is 12.0 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 Saturday morning at 845 AM CDT.


Flood Warning issued May 1 at 8:52PM CDT until May 2 at 3:00PM CDT by NWS Quad Cities IA IL

Effective: Fri May 1, 2026, 8:52 PM
Expires: Sat May 2, 2026, 3:00 PM

...The Flood Warning is extended for the following rivers in Illinois... Rock River near Joslin affecting Whiteside, Rock Island and Henry IL Counties. * WHAT...Minor flooding is occurring. * WHERE...Rock River near Joslin. * WHEN...Until tomorrow morning. * IMPACTS...At 12.0 feet, water affects low lying agricultural land. * ADDITIONAL DETAILS... - At 7:45 PM CDT Friday the stage was 12.1 feet. - Forecast...The river is expected to fall below flood stage Saturday morning. - Flood stage is 12.0 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. The next statement will be issued by Saturday afternoon at 300 PM CDT.


Flood Warning issued May 1 at 10:48AM CDT until May 2 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Fri May 1, 2026, 10:48 AM
Expires: Sat May 2, 2026, 11:00 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Burlington. * WHEN...Until tomorrow afternoon. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 10:00 AM CDT Friday the stage was 15.2 feet. - Forecast...The river is expected to fall below flood stage this evening and continue falling through the weekend. - Flood stage is 15.0 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 Saturday morning at 1000 AM CDT.
Saturday, May 2, 2026

Weather Forecast

Sunny
64°F
33.8°F
48.2°F
59%
0 in
0%
0%
8.7 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 7.31 μg/m3
PM10: 8.69 μg/m3
Carbon Monoxide: 150.41 μg/m3
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 76.04 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:01 PM
Sunset: 8:03 PM
Daylight: 14 hrs 3 mins
Moonrise: 9:34 PM
Moon Transit: 1:19 AM
Moonset: 6:02 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
1:04 PM - 3:34 PM

Minor Periods

9:04 PM - 10:34 PM
5:32 AM - 7:02 AM

Action Rating: 4 out of 5

Sunday, May 3, 2026

Weather Forecast

Overcast
69.2°F
44.8°F
56.3°F
67%
0 in
0%
0%
21.7 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 6.84 μg/m3
PM10: 7.93 μg/m3
Carbon Monoxide: 149.77 μg/m3
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 82.32 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:00 PM
Sunset: 8:04 PM
Daylight: 14 hrs 6 mins
Moonrise: 10:36 PM
Moon Transit: 2:06 AM
Moonset: 6:35 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:36 AM - 4:06 AM
1:53 PM - 4:23 PM

Minor Periods

10:06 PM - 11:36 PM
6:05 AM - 7:35 AM

Action Rating: 4 out of 5

Monday, May 4, 2026

Weather Forecast

Patchy rain nearby
76.4°F
51.1°F
62°F
73%
0.02 in
89%
0%
15.2 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 7.13 μg/m3
PM10: 8.7 μg/m3
Carbon Monoxide: 160.17 μg/m3
Nitrogen Dioxide: 7.29 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 73.48 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:00 PM
Sunset: 8:05 PM
Daylight: 14 hrs 8 mins
Moonrise: 11:32 PM
Moon Transit: 2:56 AM
Moonset: 7:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

2:26 AM - 4:56 AM
2:44 PM - 5:14 PM

Minor Periods

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

Action Rating: 2 out of 5

Tuesday, May 5, 2026

Weather Forecast

Partly Cloudy
57.7°F
43.4°F
50.5°F
60%
0 in
0%
0%
8.7 mph
4.6


Air Quality

AQI: 1 - Good
PM2.5: 5.33 μg/m3
PM10: 6.21 μg/m3
Carbon Monoxide: 148.42 μg/m3
Nitrogen Dioxide: 4.76 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 75.32 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:00 PM
Sunset: 8:06 PM
Daylight: 14 hrs 10 mins
Moonrise: 12:32 AM
Moon Transit: 3:48 AM
Moonset: 8:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:18 AM - 5:48 AM
3:35 PM - 6:05 PM

Minor Periods

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

Action Rating: 3 out of 5

Wednesday, May 6, 2026

Weather Forecast

Patchy rain nearby
52.8°F
39.5°F
46.8°F
71%
0.04 in
81%
0%
11.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.26 μg/m3
PM10: 2.38 μg/m3
Carbon Monoxide: 148.48 μg/m3
Nitrogen Dioxide: 4.16 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 64.69 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:00 PM
Sunset: 8:07 PM
Daylight: 14 hrs 13 mins
Moonrise: 12:22 AM
Moon Transit: 4:39 AM
Moonset: 8:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
4:26 PM - 6:56 PM

Minor Periods

8:29 AM - 9:59 AM
12:00 AM - 12:00 AM

Action Rating: 2 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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