Water Temperature of the Mississippi River in Le Claire, IA

Current Water Temperature

81.6°F

Measurement Time: Sunday, July 26, 2026, 10:00 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

97.3°F
Sunny
Sunny
100.9°F
125.6°F
66%
SSE 3.1 mph
3.6 mph
97.3°F
84°F
0 in
2%
5 mi
1011 mbar
8.6

Five Day Weather Forecast

Sunny
Sun
H: 100°F
L: 74°F
Sunny
Mon
H: 93°F
L: 68°F
Sunny
Tue
H: 85°F
L: 70°F
Sunny
Wed
H: 82°F
L: 62°F
Sunny
Thu
H: 83°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 8.2 μg/m3
PM10: 8.9 μg/m3
Carbon Monoxide: 134 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 117 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:08 PM
Sunset: 8:26 PM
Daylight: 14 hrs 35 mins
Moonrise: 6:57 PM
Moon Transit: 11:14 PM
Moonset: 2:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

10:15 AM - 12:45 AM
12:00 AM - 12:00 AM

Minor Periods

6:27 PM - 7:57 PM
2:08 AM - 3:38 AM

Action Rating: 3 out of 5

Extreme Heat Warning issued July 26 at 12:23AM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL

Effective: Sun July 26, 2026, 12:23 AM
Expires: Sun July 26, 2026, 3:30 PM

* WHAT...Dangerously hot conditions with heat index values near 110. * WHERE...Portions of central and west central Illinois. * WHEN...From noon today to 9 PM CDT Monday. * 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.


Extreme Heat Warning issued July 26 at 3:39AM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL

Effective: Sun July 26, 2026, 3:39 AM
Expires: Sun July 26, 2026, 3:30 PM

* WHAT...Dangerously hot conditions with heat index values near 110. * WHERE...Portions of central and west central Illinois. * WHEN...From noon today to 9 PM CDT Monday. * 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.


Heat Advisory issued July 26 at 3:00AM CDT until July 26 at 9:00PM CDT by NWS Quad Cities IA IL

Effective: Sun July 26, 2026, 3:00 AM
Expires: Sun July 26, 2026, 1:30 PM

* WHAT...For the Heat Advisory, heat index values between 100 to 105 expected. For the Extreme Heat Watch, continued dangerously hot conditions possible with heat index values potentially between 100 to 110. * WHERE...Carroll, Jo Daviess, and Stephenson Counties. * WHEN...For the Heat Advisory, from 11 AM this morning to 9 PM CDT this evening. For the Extreme Heat Watch, from this evening through Monday evening. * 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.


Extreme Heat Watch issued July 26 at 3:00AM CDT until July 27 at 10:00PM CDT by NWS Quad Cities IA IL

Effective: Sun July 26, 2026, 3:00 AM
Expires: Sun July 26, 2026, 1:30 PM

* WHAT...For the Heat Advisory, heat index values between 100 to 105 expected. For the Extreme Heat Watch, continued dangerously hot conditions possible with heat index values potentially between 100 to 110. * WHERE...Carroll, Jo Daviess, and Stephenson Counties. * WHEN...For the Heat Advisory, from 11 AM this morning to 9 PM CDT this evening. For the Extreme Heat Watch, from this evening through Monday evening. * 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.
Sunday, July 26, 2026

Weather Forecast

Sunny
99.7°F
74.1°F
85°F
73%
0.03 in
45%
0%
9.4 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 6.47 μg/m3
PM10: 6.9 μg/m3
Carbon Monoxide: 162.71 μg/m3
Nitrogen Dioxide: 10.5 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:08 PM
Sunset: 8:26 PM
Daylight: 14 hrs 35 mins
Moonrise: 6:57 PM
Moon Transit: 11:14 PM
Moonset: 2:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

10:15 AM - 12:45 AM
12:00 AM - 12:00 AM

Minor Periods

6:27 PM - 7:57 PM
2:08 AM - 3:38 AM

Action Rating: 3 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
93.2°F
68.3°F
81.6°F
74%
0.05 in
57%
0%
20.1 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 8.22 μg/m3
Carbon Monoxide: 126.21 μg/m3
Nitrogen Dioxide: 7.2 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 85.75 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:08 PM
Sunset: 8:25 PM
Daylight: 14 hrs 33 mins
Moonrise: 7:38 PM
Moon Transit: 12:00 AM
Moonset: 3:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:06 AM - 1:36 PM

Minor Periods

7:08 PM - 8:38 PM
3:04 AM - 4:34 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
84.9°F
69.9°F
77.7°F
78%
0 in
9%
0%
11.9 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 4.45 μg/m3
PM10: 4.64 μg/m3
Carbon Monoxide: 140.5 μg/m3
Nitrogen Dioxide: 4.98 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 83.63 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:08 PM
Sunset: 8:24 PM
Daylight: 14 hrs 31 mins
Moonrise: 8:13 PM
Moon Transit: 12:05 AM
Moonset: 4:36 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:56 AM - 2:26 PM

Minor Periods

7:43 PM - 9:13 PM
4:06 AM - 5:36 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
81.7°F
61.9°F
71.5°F
66%
0 in
5%
0%
7.8 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 2.96 μg/m3
PM10: 3.05 μg/m3
Carbon Monoxide: 156.41 μg/m3
Nitrogen Dioxide: 8.01 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 64.58 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:08 PM
Sunset: 8:23 PM
Daylight: 14 hrs 29 mins
Moonrise: 8:42 PM
Moon Transit: 12:53 AM
Moonset: 5:41 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
12:43 AM - 3:13 PM

Minor Periods

8:12 PM - 9:42 PM
5:11 AM - 6:41 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
82.6°F
61°F
72°F
72%
0 in
6%
0%
9.2 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 2.26 μg/m3
PM10: 2.39 μg/m3
Carbon Monoxide: 200 μg/m3
Nitrogen Dioxide: 14.84 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 36 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:08 PM
Sunset: 8:21 PM
Daylight: 14 hrs 27 mins
Moonrise: 9:06 PM
Moon Transit: 1:40 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
1:30 PM - 4:00 PM

Minor Periods

8:36 PM - 10:06 PM
6:17 AM - 7:47 AM

Action Rating: 5 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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