Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

84.0°F

Measurement Time: Monday, July 13, 2026, 8:45 PM 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

70.3°F
Clear
Clear
70.3°F
76.6°F
100%
ESE 2.2 mph
2.3 mph
72.5°F
66.6°F
0 in
0%
8 mi
1022 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 95°F
L: 69°F
Sunny
Wed
H: 89°F
L: 71°F
Sunny
Thu
H: 89°F
L: 71°F
Sunny
Fri
H: 88°F
L: 73°F
Sunny
Sat
H: 90°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 6.4 μg/m3
PM10: 7.1 μg/m3
Carbon Monoxide: 192 μg/m3
Nitrogen Dioxide: 15.7 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 49 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:11 PM
Sunset: 8:35 PM
Daylight: 14 hrs 48 mins
Moonrise: 5:45 AM
Moon Transit: 1:35 PM
Moonset: 9:14 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 AM
1:05 PM - 3:35 PM

Minor Periods

8:44 PM - 10:14 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
95.2°F
68.9°F
80.1°F
74%
0 in
17%
0%
6.3 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 7.61 μg/m3
PM10: 8.52 μg/m3
Carbon Monoxide: 151.96 μg/m3
Nitrogen Dioxide: 8.93 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 94.25 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:11 PM
Sunset: 8:35 PM
Daylight: 14 hrs 48 mins
Moonrise: 5:45 AM
Moon Transit: 1:35 PM
Moonset: 9:14 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 AM
1:05 PM - 3:35 PM

Minor Periods

8:44 PM - 10:14 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
88.7°F
70.7°F
79.6°F
75%
0.01 in
36%
0%
5.4 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 7.23 μg/m3
PM10: 8.1 μg/m3
Carbon Monoxide: 153.38 μg/m3
Nitrogen Dioxide: 7.04 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 104.54 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:11 PM
Sunset: 8:35 PM
Daylight: 14 hrs 47 mins
Moonrise: 7:05 AM
Moon Transit: 2:34 PM
Moonset: 9:49 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
2:04 PM - 4:34 PM

Minor Periods

9:19 PM - 10:49 PM
6:35 AM - 8:05 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
88.5°F
71.3°F
79.4°F
80%
0.32 in
76%
0%
5.6 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 5.79 μg/m3
PM10: 6.26 μg/m3
Carbon Monoxide: 152.25 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 109.75 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:11 PM
Sunset: 8:34 PM
Daylight: 14 hrs 45 mins
Moonrise: 8:24 AM
Moon Transit: 3:27 PM
Moonset: 10:17 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
2:57 PM - 5:27 PM

Minor Periods

9:47 PM - 11:17 PM
7:54 AM - 9:24 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
87.9°F
73.4°F
79.3°F
83%
0.32 in
78%
0%
11.9 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 4.23 μg/m3
PM10: 4.39 μg/m3
Carbon Monoxide: 144.01 μg/m3
Nitrogen Dioxide: 4.57 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 96.25 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:11 PM
Sunset: 8:33 PM
Daylight: 14 hrs 44 mins
Moonrise: 9:37 AM
Moon Transit: 4:15 PM
Moonset: 10:42 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

3:10 AM - 5:40 AM
3:45 PM - 6:15 PM

Minor Periods

10:12 PM - 11:42 PM
9:07 AM - 10:37 AM

Action Rating: 3 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
89.5°F
72.2°F
80.1°F
74%
0.01 in
36%
0%
15.7 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.13 μg/m3
PM10: 4.64 μg/m3
Carbon Monoxide: 180.25 μg/m3
Nitrogen Dioxide: 9.1 μg/m3
Sulphur Dioxide: 0.99 μg/m3
Ozone: 50.5 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:11 PM
Sunset: 8:33 PM
Daylight: 14 hrs 42 mins
Moonrise: 10:47 AM
Moon Transit: 5:00 PM
Moonset: 11:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

3:57 AM - 6:27 AM
4:30 PM - 7:00 PM

Minor Periods

12:00 AM - 12:00 AM
10:17 AM - 11:47 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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