Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

66.9°F

Measurement Time: Thursday, October 1, 2026, 3:45 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

70°F
Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
93%
SW 5 mph
68°F

Weather Forecast

Showers And Thunderstorms
Today
71°F - Showers And Thunderstorms
Showers And Thunderstorms
Tonight
54°F - Showers And Thunderstorms
Sunny
Friday
64°F - Sunny
Clear
Friday Night
47°F - Clear
Sunny
Saturday
68°F - Sunny
Mostly Clear
Saturday Night
51°F - Mostly Clear
Sunny
Sunday
71°F - Sunny
Clear
Sunday Night
49°F - Clear
Sunny
Monday
66°F - Sunny
Clear
Monday Night
46°F - Clear
Sunny
Tuesday
68°F - Sunny
Mostly Clear
Tuesday Night
54°F - Mostly Clear
Mostly Sunny
Wednesday
74°F - Mostly Sunny
Mostly Clear
Wednesday Night
55°F - Mostly Clear

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:55 AM
Sunset: 6:48 PM
Daylight: 11 hrs 46 mins
Moonrise: 9:50 PM
Moon Transit: 4:54 AM
Moonset: 12:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
4:43 PM - 7:13 PM

Minor Periods

9:20 PM - 10:50 PM
12:28 AM - 1:58 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: 7:02 AM
Sun Transit: 12:55 AM
Sunset: 6:48 PM
Daylight: 11 hrs 46 mins
Moonrise: 9:50 PM
Moon Transit: 4:54 AM
Moonset: 12:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
4:43 PM - 7:13 PM

Minor Periods

9:20 PM - 10:50 PM
12:28 AM - 1:58 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: 7:02 AM
Sun Transit: 12:55 AM
Sunset: 6:48 PM
Daylight: 11 hrs 46 mins
Moonrise: 9:50 PM
Moon Transit: 4:54 AM
Moonset: 12:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
4:43 PM - 7:13 PM

Minor Periods

9:20 PM - 10:50 PM
12:28 AM - 1:58 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: 7:03 AM
Sun Transit: 12:54 AM
Sunset: 6:46 PM
Daylight: 11 hrs 43 mins
Moonrise: 10:55 PM
Moon Transit: 5:56 AM
Moonset: 2:03 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
5:46 PM - 8:16 PM

Minor Periods

10:25 PM - 11:55 PM
1:33 PM - 3:03 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: 7:03 AM
Sun Transit: 12:54 AM
Sunset: 6:46 PM
Daylight: 11 hrs 43 mins
Moonrise: 10:55 PM
Moon Transit: 5:56 AM
Moonset: 2:03 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
5:46 PM - 8:16 PM

Minor Periods

10:25 PM - 11:55 PM
1:33 PM - 3:03 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: 7:04 AM
Sun Transit: 12:54 AM
Sunset: 6:44 PM
Daylight: 11 hrs 40 mins
Moonrise: 12:07 PM
Moon Transit: 7:00 AM
Moonset: 2:57 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
6:48 PM - 9:18 PM

Minor Periods

12:00 AM - 12:00 AM
2:27 PM - 3:57 PM

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: 7:04 AM
Sun Transit: 12:54 AM
Sunset: 6:44 PM
Daylight: 11 hrs 40 mins
Moonrise: 12:07 PM
Moon Transit: 7:00 AM
Moonset: 2:57 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
6:48 PM - 9:18 PM

Minor Periods

12:00 AM - 12:00 AM
2:27 PM - 3:57 PM

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: 7:05 AM
Sun Transit: 12:54 AM
Sunset: 6:43 PM
Daylight: 11 hrs 38 mins
Moonrise: 12:07 AM
Moon Transit: 8:00 AM
Moonset: 3:40 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
7:46 PM - 10:16 PM

Minor Periods

3:10 PM - 4:40 PM
12:00 AM - 12:00 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: 7:05 AM
Sun Transit: 12:54 AM
Sunset: 6:43 PM
Daylight: 11 hrs 38 mins
Moonrise: 12:07 AM
Moon Transit: 8:00 AM
Moonset: 3:40 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
7:46 PM - 10:16 PM

Minor Periods

3:10 PM - 4:40 PM
12:00 AM - 12:00 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: 7:06 AM
Sun Transit: 12:53 AM
Sunset: 6:41 PM
Daylight: 11 hrs 35 mins
Moonrise: 1:22 AM
Moon Transit: 8:54 AM
Moonset: 4:15 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:24 AM - 10:54 AM
8:39 PM - 11:09 PM

Minor Periods

3:45 PM - 5:15 PM
12:52 AM - 2:22 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: 7:06 AM
Sun Transit: 12:53 AM
Sunset: 6:41 PM
Daylight: 11 hrs 35 mins
Moonrise: 1:22 AM
Moon Transit: 8:54 AM
Moonset: 4:15 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:24 AM - 10:54 AM
8:39 PM - 11:09 PM

Minor Periods

3:45 PM - 5:15 PM
12:52 AM - 2:22 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: 7:07 AM
Sun Transit: 12:53 AM
Sunset: 6:40 PM
Daylight: 11 hrs 33 mins
Moonrise: 2:36 AM
Moon Transit: 9:46 AM
Moonset: 4:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:16 AM - 11:46 AM

Minor Periods

4:14 PM - 5:44 PM
2:06 AM - 3:36 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: 7:07 AM
Sun Transit: 12:53 AM
Sunset: 6:40 PM
Daylight: 11 hrs 33 mins
Moonrise: 2:36 AM
Moon Transit: 9:46 AM
Moonset: 4:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:16 AM - 11:46 AM

Minor Periods

4:14 PM - 5:44 PM
2:06 AM - 3:36 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: 7:08 AM
Sun Transit: 12:53 AM
Sunset: 6:38 PM
Daylight: 11 hrs 30 mins
Moonrise: 3:48 AM
Moon Transit: 10:34 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:04 AM - 12:34 AM

Minor Periods

4:39 PM - 6:09 PM
3:18 AM - 4:48 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: 7:08 AM
Sun Transit: 12:53 AM
Sunset: 6:38 PM
Daylight: 11 hrs 30 mins
Moonrise: 3:48 AM
Moon Transit: 10:34 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:04 AM - 12:34 AM

Minor Periods

4:39 PM - 6:09 PM
3:18 AM - 4:48 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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