Water Temperature of the Mississippi River in Le Claire, IA

Current Water Temperature

78.3°F

Measurement Time: Monday, June 8, 2026, 9:30 AM CDT

Temperature Locations

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Local Points of Interest

Fisherman's Corner North Recreation Area; Smith Island Recreation Area; Illiniwek Forest Preserve; Hampton, IL; Rapids City, IL

Mississippi River

Station Name: Le Claire - L&D 14
Data Source: USGS

Elevation Above Sea Level: 568 feet

Nearest Address:
Great River Road
Le Claire, IA 52753
Scott County

GPS Coordinates: 41.5747, -90.4006

Nearby Water Temperatures

Mississippi River, Rock Island, IL (9.3 mi)
Mississippi River, Camanche, IA (16.2 mi)
Beaver Slough, Clinton, IA (20.5 mi)
Mississippi River, Fulton, IL (25.4 mi)
Mississippi River, Fulton, IL (25.7 mi)
Mississippi River, Illinois City, IL (33.1 mi)
Mississippi River, New Boston, IL (43.1 mi)
North Fork Maquoketa River, Maquoketa, IA (44.1 mi)
Mississippi River, Bellevue, IA (47.4 mi)
Mississippi River, Gladstone, IL (57.8 mi)
Illinois River, Henry, IL (63.1 mi)
Mississippi River, Dubuque, IA (67.9 mi)
Rock River, Byron, IL (70 mi)
Illinois River, Utica, IL (75.3 mi)
Morgan Creek, Cedar Rapids, IA (75.6 mi)

Weather for Le Claire, Iowa

Current Weather

82°F
Mist
Mist
83.2°F
93.4°F
60%
E 7.2 mph
8.2 mph
88.9°F
67.7°F
0 in
0%
3 mi
1017 mbar
4

Five Day Weather Forecast

Sunny
Sun
H: 89°F
L: 66°F
Sunny
Mon
H: 85°F
L: 64°F
Sunny
Tue
H: 82°F
L: 67°F
Sunny
Wed
H: 72°F
L: 56°F
Sunny
Thu
H: 75°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 21.1 μg/m3
PM10: 21.3 μg/m3
Carbon Monoxide: 211 μg/m3
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 125 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:07 PM
Sunset: 8:32 PM
Daylight: 14 hrs 48 mins
Moonrise: 11:50 AM
Moon Transit: 5:40 PM
Moonset: 11:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:45 AM - 7:15 AM
5:10 PM - 7:40 PM

Minor Periods

12:00 AM - 12:00 AM
11:20 AM - 12:50 AM

Action Rating: 2 out of 5

Air Quality Alert issued July 19 at 2:57AM CDT by NWS Lincoln IL

Effective: Sun July 19, 2026, 2:57 AM
Expires: Mon July 20, 2026, 3:00 AM

The Illinois Environmental Protection Agency in Springfield Illinois has issued a Air Quality Action Day for ground level ozone and fine particulates, until midnight CDT tonight. An Areawide Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are forecast to be at OR ABOVE the Unhealthy for Sensitive Groups (USG) category in all or nearly all Illinois AQI forecast sectors. Areas both inside and outside of the Action Day coverage area may experience smoke/PM2.5 today into tonight. Those with air quality concerns or anyone in Illinois with outdoor plans is encouraged to check current NowCast readings or sign up for EnviroFlash alerts on AirNow.gov. Before going outside, checking the NowCast AQI will help identify periods of both poor and cleaner air quality regardless of the level of the daily forecasted AQI. AQI Category Guidance Unhealthy for Sensitive Groups (USG) - Members of sensitive groups may experience health effects. The general public is less likely to be affected. Sensitive groups: Make outdoor activities shorter and less intense. Its OK to be active outdoors, but take more breaks. Watch for symptoms such as coughing or shortness of breath. People with asthma: Follow your asthma action plan and keep quick relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Unhealthy - Sensitive groups: Avoid long or intense outdoor activities. Consider rescheduling or moving activities indoors. Everyone else: Reduce long or intense activities. Take more breaks during outdoor activities. Media Contact... Illinois EPA


Air Quality Alert issued July 19 at 4:44AM CDT by NWS Quad Cities IA IL

Effective: Sun July 19, 2026, 4:44 AM
Expires: Mon July 20, 2026, 4:45 AM

The Illinois Environmental Protection Agency has issued an Areawide Air Pollution Action Day for Sunday July 19th for portions of Illinois. An Areawide Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are forecast to be at OR ABOVE the Unhealthy for Sensitive Groups (USG) category in all or nearly all Illinois AQI forecast sectors. Areas both inside and outside of the Action Day coverage area may experience smoke/PM2.5 to a varying degree and duration today. Those with air quality concerns or anyone in Illinois with outdoor plans is encouraged to check current NowCast readings or sign up for EnviroFlash alerts on AirNow.gov. Before going outside, checking the NowCast AQI will help identify periods of both poor and cleaner air quality regardless of the level of the daily forecasted AQI. AQI Category Guidance Unhealthy for Sensitive Groups (USG) - Members of sensitive groups may experience health effects. The general public is less likely to be affected. Sensitive groups: Make outdoor activities shorter and less intense. Its OK to be active outdoors, but take more breaks. Watch for symptoms such as coughing or shortness of breath. People with asthma: Follow your asthma action plan and keep quick relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Unhealthy - Sensitive groups: Avoid long or intense outdoor activities. Consider rescheduling or moving activities indoors. Everyone else: Reduce long or intense activities. Take more breaks during outdoor activities. Air quality forecasts and current air quality can be found at www.airnow.gov Media Contact... Illinois EPA


Sunday, July 19, 2026

Weather Forecast

Sunny
89.2°F
65.8°F
77°F
67%
0 in
5%
0%
7.4 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 15.46 μg/m3
PM10: 15.66 μg/m3
Carbon Monoxide: 227.58 μg/m3
Nitrogen Dioxide: 6.01 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 93.88 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:07 PM
Sunset: 8:32 PM
Daylight: 14 hrs 48 mins
Moonrise: 11:50 AM
Moon Transit: 5:40 PM
Moonset: 11:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:45 AM - 7:15 AM
5:10 PM - 7:40 PM

Minor Periods

12:00 AM - 12:00 AM
11:20 AM - 12:50 AM

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
84.8°F
63.9°F
74.7°F
83%
0.24 in
72%
0%
18.1 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 7.72 μg/m3
PM10: 7.93 μg/m3
Carbon Monoxide: 207.13 μg/m3
Nitrogen Dioxide: 8.63 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 91.33 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:08 PM
Sunset: 8:31 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:56 AM
Moon Transit: 6:24 PM
Moonset: 12:20 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
5:54 PM - 8:24 PM

Minor Periods

12:26 AM - 1:56 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
81.8°F
67.2°F
74.6°F
78%
0.04 in
49%
0%
13.2 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 2.2 μg/m3
PM10: 2.33 μg/m3
Carbon Monoxide: 135 μg/m3
Nitrogen Dioxide: 3.91 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 86.88 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:08 PM
Sunset: 8:30 PM
Daylight: 14 hrs 44 mins
Moonrise: 2:02 PM
Moon Transit: 7:08 PM
Moonset: 12:42 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

6:12 AM - 8:42 AM
6:38 PM - 9:08 PM

Minor Periods

1:32 PM - 3:02 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
71.7°F
55.5°F
64.4°F
76%
0 in
9%
0%
11.2 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 6.06 μg/m3
PM10: 6.13 μg/m3
Carbon Monoxide: 281.76 μg/m3
Nitrogen Dioxide: 5.3 μg/m3
Sulphur Dioxide: 0.86 μg/m3
Ozone: 86.75 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:08 PM
Sunset: 8:29 PM
Daylight: 14 hrs 43 mins
Moonrise: 3:07 PM
Moon Transit: 7:53 PM
Moonset: 12:07 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

6:57 AM - 9:27 AM
7:23 PM - 9:53 PM

Minor Periods

2:37 PM - 4:07 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
75.3°F
54.5°F
64.9°F
78%
0 in
9%
0%
7.8 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 2.99 μg/m3
PM10: 3.06 μg/m3
Carbon Monoxide: 185.13 μg/m3
Nitrogen Dioxide: 13.28 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 43.63 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:08 PM
Sunset: 8:28 PM
Daylight: 14 hrs 41 mins
Moonrise: 4:11 PM
Moon Transit: 8:41 PM
Moonset: 12:35 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:44 AM - 10:14 AM
8:11 PM - 10:41 PM

Minor Periods

3:41 PM - 5:11 PM
12:05 AM - 1:35 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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