Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

80.2°F

Measurement Time: Friday, August 28, 2026, 11:45 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

83°F
Sunny
Sunny
47%
0 mph
61°F

Weather Forecast

Sunny
This Afternoon
84°F - Sunny
Mostly Clear
Tonight
64°F - Mostly Clear
Mostly Sunny
Saturday
85°F - Mostly Sunny
Partly Cloudy
Saturday Night
71°F - Partly Cloudy
Mostly Sunny
Sunday
93°F - Mostly Sunny
Mostly Clear
Sunday Night
76°F - Mostly Clear
Mostly Sunny
Monday
96°F - Mostly Sunny
Mostly Clear
Monday Night
77°F - Mostly Clear
Sunny
Tuesday
97°F - Sunny
Mostly Clear
Tuesday Night
76°F - Mostly Clear
Mostly Sunny
Wednesday
95°F - Mostly Sunny
Mostly Clear
Wednesday Night
76°F - Mostly Clear
Sunny
Thursday
94°F - Sunny
Partly Cloudy then Slight Chance Showers And Thunderstorms
Thursday Night
75°F - Partly Cloudy then Slight Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:06 PM
Sunset: 7:43 PM
Daylight: 13 hrs 14 mins
Moonrise: 7:57 PM
Moon Transit: 1:09 AM
Moonset: 6:53 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
12:49 AM - 3:19 PM

Minor Periods

7:27 PM - 8:57 PM
6:23 AM - 7:53 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:06 PM
Sunset: 7:43 PM
Daylight: 13 hrs 14 mins
Moonrise: 7:57 PM
Moon Transit: 1:09 AM
Moonset: 6:53 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
12:49 AM - 3:19 PM

Minor Periods

7:27 PM - 8:57 PM
6:23 AM - 7:53 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:06 PM
Sunset: 7:43 PM
Daylight: 13 hrs 14 mins
Moonrise: 7:57 PM
Moon Transit: 1:09 AM
Moonset: 6:53 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
12:49 AM - 3:19 PM

Minor Periods

7:27 PM - 8:57 PM
6:23 AM - 7:53 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:06 PM
Sunset: 7:42 PM
Daylight: 13 hrs 11 mins
Moonrise: 8:19 PM
Moon Transit: 1:52 AM
Moonset: 7:59 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
12:00 AM - 12:00 AM

Minor Periods

7:49 PM - 9:19 PM
7:29 AM - 8:59 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:06 PM
Sunset: 7:42 PM
Daylight: 13 hrs 11 mins
Moonrise: 8:19 PM
Moon Transit: 1:52 AM
Moonset: 7:59 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
12:00 AM - 12:00 AM

Minor Periods

7:49 PM - 9:19 PM
7:29 AM - 8:59 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:06 PM
Sunset: 7:40 PM
Daylight: 13 hrs 9 mins
Moonrise: 8:42 PM
Moon Transit: 12:00 AM
Moonset: 9:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:12 PM - 9:42 PM
8:36 AM - 10:06 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:06 PM
Sunset: 7:40 PM
Daylight: 13 hrs 9 mins
Moonrise: 8:42 PM
Moon Transit: 12:00 AM
Moonset: 9:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:12 PM - 9:42 PM
8:36 AM - 10:06 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:05 PM
Sunset: 7:39 PM
Daylight: 13 hrs 6 mins
Moonrise: 9:07 PM
Moon Transit: 3:22 AM
Moonset: 10:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:52 AM - 5:22 AM
3:04 PM - 5:34 PM

Minor Periods

8:37 PM - 10:07 PM
9:46 AM - 11:16 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:05 PM
Sunset: 7:39 PM
Daylight: 13 hrs 6 mins
Moonrise: 9:07 PM
Moon Transit: 3:22 AM
Moonset: 10:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:52 AM - 5:22 AM
3:04 PM - 5:34 PM

Minor Periods

8:37 PM - 10:07 PM
9:46 AM - 11:16 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:05 PM
Sunset: 7:37 PM
Daylight: 13 hrs 4 mins
Moonrise: 9:36 PM
Moon Transit: 4:10 AM
Moonset: 11:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
3:54 PM - 6:24 PM

Minor Periods

9:06 PM - 10:36 PM
10:57 AM - 12:27 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:05 PM
Sunset: 7:37 PM
Daylight: 13 hrs 4 mins
Moonrise: 9:36 PM
Moon Transit: 4:10 AM
Moonset: 11:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
3:54 PM - 6:24 PM

Minor Periods

9:06 PM - 10:36 PM
10:57 AM - 12:27 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:05 PM
Sunset: 7:35 PM
Daylight: 13 hrs 1 mins
Moonrise: 10:13 PM
Moon Transit: 5:02 AM
Moonset: 12:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:32 AM - 7:02 AM
4:49 PM - 7:19 PM

Minor Periods

9:43 PM - 11:13 PM
12:12 AM - 1:42 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:05 PM
Sunset: 7:35 PM
Daylight: 13 hrs 1 mins
Moonrise: 10:13 PM
Moon Transit: 5:02 AM
Moonset: 12:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:32 AM - 7:02 AM
4:49 PM - 7:19 PM

Minor Periods

9:43 PM - 11:13 PM
12:12 AM - 1:42 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:04 PM
Sunset: 7:34 PM
Daylight: 12 hrs 59 mins
Moonrise: 10:58 PM
Moon Transit: 6:00 AM
Moonset: 1:56 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
5:47 PM - 8:17 PM

Minor Periods

10:28 PM - 11:58 PM
1:26 PM - 2:56 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:04 PM
Sunset: 7:34 PM
Daylight: 12 hrs 59 mins
Moonrise: 10:58 PM
Moon Transit: 6:00 AM
Moonset: 1:56 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
5:47 PM - 8:17 PM

Minor Periods

10:28 PM - 11:58 PM
1:26 PM - 2:56 PM

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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