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

91.6°F
Sunny
Sunny
102.9°F
96.8°F
56%
SSW 12.3 mph
21.9 mph
88.9°F
72.4°F
0 in
0%
9 mi
1014 mbar
0.6

Five Day Weather Forecast

Sunny
Wed
H: 96°F
L: 73°F
Sunny
Thu
H: 90°F
L: 73°F
Sunny
Fri
H: 89°F
L: 70°F
Sunny
Sat
H: 89°F
L: 72°F
Patchy rain nearby
Sun
H: 80°F
L: 68°F

Air Quality

AQI: 1 - Good
PM2.5: 7.5 μg/m3
PM10: 9.7 μg/m3
Carbon Monoxide: 109 μg/m3
Nitrogen Dioxide: 1.8 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:08 PM
Sunset: 8:42 PM
Daylight: 15 hrs 8 mins
Moonrise: 10:13 PM
Moon Transit: 2:11 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:41 AM - 4:11 AM
1:57 PM - 4:27 PM

Minor Periods

9:43 PM - 11:13 PM
6:18 AM - 7:48 AM

Action Rating: 3 out of 5

Extreme Heat Warning issued July 1 at 10:53AM CDT until July 2 at 10:00PM CDT by NWS Quad Cities IA IL

Effective: Wed July 1, 2026, 10:53 AM
Expires: Wed July 1, 2026, 7:00 PM

* WHAT...Dangerously hot and humid conditions with multiple days of heat index values of 100 to 110 expected, along with nighttime lows not falling below the mid to upper 70s. * WHERE...In Illinois, Bureau, Putnam, Henry IL, and Whiteside Counties. In Iowa, Clinton County. * WHEN...Until 10 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The extreme heat may persist through late week, but thunderstorms and associated clouds may interrupt the heat at times Thursday and Friday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Extreme Heat Warning issued July 1 at 2:27PM CDT until July 2 at 10:00PM CDT by NWS Quad Cities IA IL

Effective: Wed July 1, 2026, 2:27 PM
Expires: Wed July 1, 2026, 10:30 PM

* WHAT...Dangerously hot and humid conditions with multiple days of heat index values of 100 to 110 expected, along with nighttime lows not falling below the mid to upper 70s. * WHERE...In Illinois, Bureau, Putnam, Henry IL, and Whiteside Counties. In Iowa, Clinton County. * WHEN...Until 10 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Wednesday, July 1, 2026

Weather Forecast

Sunny
96.4°F
73°F
84.6°F
68%
0 in
5%
0%
13.4 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 13.81 μg/m3
PM10: 21.62 μg/m3
Carbon Monoxide: 112.17 μg/m3
Nitrogen Dioxide: 3.03 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 73.5 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:08 PM
Sunset: 8:42 PM
Daylight: 15 hrs 8 mins
Moonrise: 10:13 PM
Moon Transit: 2:11 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:41 AM - 4:11 AM
1:57 PM - 4:27 PM

Minor Periods

9:43 PM - 11:13 PM
6:18 AM - 7:48 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
89.9°F
73°F
81.5°F
78%
0.02 in
36%
0%
14.3 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 6.95 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 2.67 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 77.79 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:08 PM
Sunset: 8:42 PM
Daylight: 15 hrs 7 mins
Moonrise: 10:40 PM
Moon Transit: 3:00 AM
Moonset: 7:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
2:43 PM - 5:13 PM

Minor Periods

10:10 PM - 11:40 PM
7:23 AM - 8:53 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
89.1°F
69.7°F
78.8°F
83%
0.08 in
58%
0%
11.6 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 5.32 μg/m3
PM10: 6.01 μg/m3
Carbon Monoxide: 116.29 μg/m3
Nitrogen Dioxide: 4.09 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:08 PM
Sunset: 8:41 PM
Daylight: 15 hrs 6 mins
Moonrise: 11:03 PM
Moon Transit: 3:44 AM
Moonset: 8:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
3:28 PM - 5:58 PM

Minor Periods

12:00 AM - 12:00 AM
8:28 AM - 9:58 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
88.6°F
72.4°F
80.7°F
82%
0.01 in
30%
0%
15 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 4.64 μg/m3
PM10: 5.03 μg/m3
Carbon Monoxide: 143.88 μg/m3
Nitrogen Dioxide: 4.2 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 84.17 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:08 PM
Sunset: 8:41 PM
Daylight: 15 hrs 5 mins
Moonrise: 12:03 AM
Moon Transit: 4:28 AM
Moonset: 10:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:58 AM - 6:28 AM
4:11 PM - 6:41 PM

Minor Periods

9:33 AM - 11:03 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Patchy rain nearby
79.7°F
68.4°F
74°F
91%
0.79 in
86%
0%
15 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 3.3 μg/m3
PM10: 3.64 μg/m3
Carbon Monoxide: 255.25 μg/m3
Nitrogen Dioxide: 7.66 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 56.75 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:08 PM
Sunset: 8:41 PM
Daylight: 15 hrs 5 mins
Moonrise: 12:24 AM
Moon Transit: 5:11 AM
Moonset: 11:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
4:54 PM - 7:24 PM

Minor Periods

10:38 AM - 12:08 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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