Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

77.2°F

Measurement Time: Friday, September 18, 2026, 9:45 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

75°F
Partly Cloudy
Partly Cloudy
93%
SE 5 mph
73°F

Weather Forecast

Patchy Fog
Overnight
72°F - Patchy Fog
Patchy Fog then Mostly Cloudy
Saturday
89°F - Patchy Fog then Mostly Cloudy
Chance Showers And Thunderstorms
Saturday Night
68°F - Chance Showers And Thunderstorms
Showers And Thunderstorms
Sunday
76°F - Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday Night
61°F - Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Monday
66°F - Showers And Thunderstorms Likely
Chance Rain Showers
Monday Night
55°F - Chance Rain Showers
Chance Rain Showers
Tuesday
64°F - Chance Rain Showers
Partly Cloudy
Tuesday Night
50°F - Partly Cloudy
Mostly Sunny
Wednesday
68°F - Mostly Sunny
Partly Cloudy
Wednesday Night
54°F - Partly Cloudy
Partly Sunny
Thursday
71°F - Partly Sunny
Partly Cloudy
Thursday Night
57°F - Partly Cloudy
Partly Sunny
Friday
73°F - Partly Sunny

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:00 PM
Sunset: 7:07 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:30 PM
Moon Transit: 7:54 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
7:24 PM - 9:54 PM

Minor Periods

3:00 PM - 4:30 PM
12:00 AM - 12:00 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: 6:50 AM
Sun Transit: 1:00 PM
Sunset: 7:07 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:30 PM
Moon Transit: 7:54 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
7:24 PM - 9:54 PM

Minor Periods

3:00 PM - 4:30 PM
12:00 AM - 12:00 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: 6:50 AM
Sun Transit: 1:00 PM
Sunset: 7:07 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:30 PM
Moon Transit: 7:54 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
7:24 PM - 9:54 PM

Minor Periods

3:00 PM - 4:30 PM
12:00 AM - 12:00 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: 6:50 AM
Sun Transit: 1:00 PM
Sunset: 7:07 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:30 PM
Moon Transit: 7:54 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
7:24 PM - 9:54 PM

Minor Periods

3:00 PM - 4:30 PM
12:00 AM - 12:00 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: 6:51 AM
Sun Transit: 12:58 AM
Sunset: 7:06 PM
Daylight: 12 hrs 14 mins
Moonrise: 4:11 PM
Moon Transit: 8:43 PM
Moonset: 12:21 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
8:13 PM - 10:43 PM

Minor Periods

3:41 PM - 5:11 PM
12:00 AM - 12:00 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: 6:51 AM
Sun Transit: 12:58 AM
Sunset: 7:06 PM
Daylight: 12 hrs 14 mins
Moonrise: 4:11 PM
Moon Transit: 8:43 PM
Moonset: 12:21 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
8:13 PM - 10:43 PM

Minor Periods

3:41 PM - 5:11 PM
12:00 AM - 12:00 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: 6:52 AM
Sun Transit: 12:58 AM
Sunset: 7:04 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:44 PM
Moon Transit: 9:32 PM
Moonset: 1:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
9:02 PM - 11:32 PM

Minor Periods

4:14 PM - 5:44 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: 6:52 AM
Sun Transit: 12:58 AM
Sunset: 7:04 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:44 PM
Moon Transit: 9:32 PM
Moonset: 1:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
9:02 PM - 11:32 PM

Minor Periods

4:14 PM - 5:44 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: 6:53 AM
Sun Transit: 12:58 AM
Sunset: 7:02 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:12 PM
Moon Transit: 10:18 PM
Moonset: 2:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

9:13 AM - 11:43 AM
12:00 AM - 12:00 AM

Minor Periods

4:42 PM - 6:12 PM
1:57 AM - 3:27 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: 6:53 AM
Sun Transit: 12:58 AM
Sunset: 7:02 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:12 PM
Moon Transit: 10:18 PM
Moonset: 2:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

9:13 AM - 11:43 AM
12:00 AM - 12:00 AM

Minor Periods

4:42 PM - 6:12 PM
1:57 AM - 3:27 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: 6:54 AM
Sun Transit: 12:57 AM
Sunset: 7:01 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:37 PM
Moon Transit: 11:02 PM
Moonset: 3:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

9:59 AM - 12:29 AM
12:00 AM - 12:00 AM

Minor Periods

5:07 PM - 6:37 PM
3:02 AM - 4:32 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: 6:54 AM
Sun Transit: 12:57 AM
Sunset: 7:01 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:37 PM
Moon Transit: 11:02 PM
Moonset: 3:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

9:59 AM - 12:29 AM
12:00 AM - 12:00 AM

Minor Periods

5:07 PM - 6:37 PM
3:02 AM - 4:32 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: 6:55 AM
Sun Transit: 12:57 AM
Sunset: 6:59 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:00 PM
Moon Transit: 11:46 PM
Moonset: 4:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

10:43 AM - 1:13 PM
12:00 AM - 12:00 AM

Minor Periods

5:30 PM - 7:00 PM
4:08 AM - 5:38 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: 6:55 AM
Sun Transit: 12:57 AM
Sunset: 6:59 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:00 PM
Moon Transit: 11:46 PM
Moonset: 4:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

10:43 AM - 1:13 PM
12:00 AM - 12:00 AM

Minor Periods

5:30 PM - 7:00 PM
4:08 AM - 5:38 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: 6:56 AM
Sun Transit: 12:57 AM
Sunset: 6:57 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:23 PM
Moon Transit: 12:00 AM
Moonset: 5:44 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:27 AM - 1:57 PM

Minor Periods

5:53 PM - 7:23 PM
5:14 AM - 6:44 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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