Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

74.5°F

Measurement Time: Friday, May 29, 2026, 5:45 AM CDT

Temperature Locations

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Local Points of Interest

Hamilton, IL; Montebello State Park; Victory Park; Lock and Dam 19

Mississippi River

Station Name: Mississippi River at Keokuk, IA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 505 feet

Nearest Address:
434 N Water St
Keokuk, IA 52632
Lee County

GPS Coordinates: 40.39365535, -91.374318

Nearby Water Temperatures

Mississippi River, Canton, MO (18.8 mi)
Mississippi River, Quincy, IL (34 mi)
Mississippi River, Gladstone, IL (38.4 mi)
Mississippi River, Saverton, MO (52.8 mi)
Illinois River, La Grange, IL (54.3 mi)
Mississippi River, New Boston, IL (57.6 mi)
Illinois River, Florence, IL (66.4 mi)
Des Moines River, Ottumwa, IA (69.1 mi)
Mississippi River, Illinois City, IL (73.8 mi)
Long Branch Lake, Macon, MO (74.5 mi)
Mississippi River, Clarksville, MO (74.7 mi)
Mason Tazewell Drainage Ditch, Topeka, IL (77 mi)
Mississippi River, Rock Island, IL (88.4 mi)
Illinois River, Peoria, IL (93.4 mi)
Mississippi River, Le Claire, IA (96.1 mi)

Weather for Keokuk, Iowa

Current Weather

71.6°F
Sunny
Sunny
75.1°F
88.1°F
61%
ESE 7.8 mph
9 mph
86.9°F
61.1°F
0 in
0%
9 mi
1017 mbar
6.6

Five Day Weather Forecast

Sunny
Fri
H: 93°F
L: 62°F
Partly Cloudy
Sat
H: 78°F
L: 63°F
Sunny
Sun
H: 78°F
L: 56°F
Sunny
Mon
H: 84°F
L: 58°F
Sunny
Tue
H: 83°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 11.05 μg/m3
Carbon Monoxide: 149.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 116 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:02 PM
Sunset: 8:28 PM
Daylight: 14 hrs 49 mins
Moonrise: 7:23 PM
Moon Transit: 12:00 AM
Moonset: 4:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:59 AM - 1:29 PM

Minor Periods

6:53 PM - 8:23 PM
3:39 AM - 5:09 AM

Action Rating: 4 out of 5

Friday, May 29, 2026

Weather Forecast

Sunny
92.8°F
61.5°F
74.3°F
51%
0 in
0%
0%
10.5 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 7.1 μg/m3
PM10: 8.01 μg/m3
Carbon Monoxide: 149.73 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 90.84 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:02 PM
Sunset: 8:28 PM
Daylight: 14 hrs 49 mins
Moonrise: 7:23 PM
Moon Transit: 12:00 AM
Moonset: 4:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:59 AM - 1:29 PM

Minor Periods

6:53 PM - 8:23 PM
3:39 AM - 5:09 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Partly Cloudy
78.2°F
63°F
68.7°F
62%
0 in
0%
0%
10.5 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 7.21 μg/m3
PM10: 8.41 μg/m3
Carbon Monoxide: 145.05 μg/m3
Nitrogen Dioxide: 3.96 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 91.88 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:03 PM
Sunset: 8:28 PM
Daylight: 14 hrs 50 mins
Moonrise: 8:25 PM
Moon Transit: 12:04 AM
Moonset: 4:41 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:47 AM - 2:17 PM

Minor Periods

7:55 PM - 9:25 PM
4:11 AM - 5:41 AM

Action Rating: 4 out of 5

Sunday, May 31, 2026

Weather Forecast

Sunny
77.5°F
56°F
67.3°F
69%
0 in
0%
0%
11.2 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 4.54 μg/m3
PM10: 4.83 μg/m3
Carbon Monoxide: 146.01 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 1.87 μg/m3
Ozone: 83.24 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:03 PM
Sunset: 8:29 PM
Daylight: 14 hrs 51 mins
Moonrise: 9:23 PM
Moon Transit: 12:54 AM
Moonset: 5:19 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 AM
12:38 AM - 3:08 PM

Minor Periods

8:53 PM - 10:23 PM
4:49 AM - 6:19 AM

Action Rating: 4 out of 5

Monday, June 1, 2026

Weather Forecast

Sunny
83.5°F
57.9°F
70.6°F
66%
0 in
0%
0%
7.6 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 5.3 μg/m3
PM10: 5.7 μg/m3
Carbon Monoxide: 140.7 μg/m3
Nitrogen Dioxide: 4.23 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 86.12 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:03 PM
Sunset: 8:30 PM
Daylight: 14 hrs 53 mins
Moonrise: 10:15 PM
Moon Transit: 1:44 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 96.8%

Best Times for Fishing or Hunting

Major Periods

1:14 AM - 3:44 AM
1:30 PM - 4:00 PM

Minor Periods

9:45 PM - 11:15 PM
5:36 AM - 7:06 AM

Action Rating: 4 out of 5

Tuesday, June 2, 2026

Weather Forecast

Sunny
82.7°F
56.4°F
67.6°F
71%
0 in
0%
0%
11.6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.3 μg/m3
PM10: 6.64 μg/m3
Carbon Monoxide: 160.33 μg/m3
Nitrogen Dioxide: 7.13 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 80.69 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:03 PM
Sunset: 8:31 PM
Daylight: 14 hrs 54 mins
Moonrise: 11:00 PM
Moon Transit: 2:36 AM
Moonset: 6:59 AM
Moon Phase: Full
Moon Illumination: 91.7%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
2:20 PM - 4:50 PM

Minor Periods

10:30 PM - 12:00 PM
6:29 AM - 7:59 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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