Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

76.6°F

Measurement Time: Tuesday, September 15, 2026, 2:45 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

78°F
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
80%
N 10 mph
71°F

Weather Forecast

Showers And Thunderstorms Likely
Tonight
66°F - Showers And Thunderstorms Likely
Showers And Thunderstorms then Showers And Thunderstorms Likely
Wednesday
77°F - Showers And Thunderstorms then Showers And Thunderstorms Likely
Mostly Cloudy then Slight Chance Showers And Thunderstorms
Wednesday Night
70°F - Mostly Cloudy then Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday
86°F - Chance Showers And Thunderstorms
Partly Cloudy then Slight Chance Showers And Thunderstorms
Thursday Night
69°F - Partly Cloudy then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Friday
88°F - Slight Chance Showers And Thunderstorms
Mostly Clear
Friday Night
71°F - Mostly Clear
Chance Rain Showers
Saturday
88°F - Chance Rain Showers
Showers And Thunderstorms Likely
Saturday Night
67°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Sunday
79°F - Showers And Thunderstorms Likely
Chance Rain Showers
Sunday Night
63°F - Chance Rain Showers
Chance Rain Showers
Monday
73°F - Chance Rain Showers
Mostly Cloudy then Slight Chance Rain Showers
Monday Night
59°F - Mostly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers then Partly Sunny
Tuesday
73°F - Slight Chance Rain Showers then Partly Sunny

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:00 PM
Sunset: 7:14 PM
Daylight: 12 hrs 27 mins
Moonrise: 11:43 AM
Moon Transit: 4:31 PM
Moonset: 9:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
4:01 PM - 6:31 PM

Minor Periods

8:43 PM - 10:13 PM
11:13 AM - 12:43 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: 6:47 AM
Sun Transit: 1:00 PM
Sunset: 7:14 PM
Daylight: 12 hrs 27 mins
Moonrise: 11:43 AM
Moon Transit: 4:31 PM
Moonset: 9:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
4:01 PM - 6:31 PM

Minor Periods

8:43 PM - 10:13 PM
11:13 AM - 12:43 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: 6:48 AM
Sun Transit: 1:00 PM
Sunset: 7:12 PM
Daylight: 12 hrs 25 mins
Moonrise: 12:48 AM
Moon Transit: 5:20 PM
Moonset: 9:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
4:50 PM - 7:20 PM

Minor Periods

9:19 PM - 10:49 PM
12:18 AM - 1:48 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: 6:48 AM
Sun Transit: 1:00 PM
Sunset: 7:12 PM
Daylight: 12 hrs 25 mins
Moonrise: 12:48 AM
Moon Transit: 5:20 PM
Moonset: 9:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
4:50 PM - 7:20 PM

Minor Periods

9:19 PM - 10:49 PM
12:18 AM - 1:48 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: 6:49 AM
Sun Transit: 1:00 PM
Sunset: 7:11 PM
Daylight: 12 hrs 22 mins
Moonrise: 1:48 PM
Moon Transit: 6:11 PM
Moonset: 10:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
5:41 PM - 8:11 PM

Minor Periods

10:03 PM - 11:33 PM
1:18 PM - 2:48 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: 6:49 AM
Sun Transit: 1:00 PM
Sunset: 7:11 PM
Daylight: 12 hrs 22 mins
Moonrise: 1:48 PM
Moon Transit: 6:11 PM
Moonset: 10:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
5:41 PM - 8:11 PM

Minor Periods

10:03 PM - 11:33 PM
1:18 PM - 2:48 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: 6:49 AM
Sun Transit: 1:00 PM
Sunset: 7:09 PM
Daylight: 12 hrs 19 mins
Moonrise: 2:43 PM
Moon Transit: 7:02 PM
Moonset: 11:23 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

5:55 AM - 8:25 AM
6:32 PM - 9:02 PM

Minor Periods

12:00 AM - 12:00 AM
2:13 PM - 3:43 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: 6:49 AM
Sun Transit: 1:00 PM
Sunset: 7:09 PM
Daylight: 12 hrs 19 mins
Moonrise: 2:43 PM
Moon Transit: 7:02 PM
Moonset: 11:23 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

5:55 AM - 8:25 AM
6:32 PM - 9:02 PM

Minor Periods

12:00 AM - 12:00 AM
2:13 PM - 3:43 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: 6:50 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

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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