Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

84.7°F

Measurement Time: Sunday, September 6, 2026, 1:45 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

80°F
Cloudy
Cloudy
66%
E 5 mph
67°F

Weather Forecast

Mostly Cloudy
Tonight
64°F - Mostly Cloudy
Mostly Sunny
Labor Day
86°F - Mostly Sunny
Partly Cloudy
Monday Night
65°F - Partly Cloudy
Mostly Sunny
Tuesday
95°F - Mostly Sunny
Partly Cloudy then Chance Showers And Thunderstorms
Tuesday Night
75°F - Partly Cloudy then Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Wednesday
89°F - Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Wednesday Night
64°F - Chance Showers And Thunderstorms
Chance Rain Showers
Thursday
83°F - Chance Rain Showers
Mostly Clear then Slight Chance Rain Showers
Thursday Night
60°F - Mostly Clear then Slight Chance Rain Showers
Slight Chance Rain Showers then Sunny
Friday
86°F - Slight Chance Rain Showers then Sunny
Chance Showers And Thunderstorms
Friday Night
65°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Saturday
88°F - Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Saturday Night
66°F - Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday
85°F - Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:03 PM
Sunset: 7:29 PM
Daylight: 12 hrs 51 mins
Moonrise: 1:03 AM
Moon Transit: 9:05 AM
Moonset: 5:00 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
8:54 PM - 11:24 PM

Minor Periods

4:30 PM - 6:00 PM
12:33 AM - 2:03 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: 6:38 AM
Sun Transit: 1:03 PM
Sunset: 7:29 PM
Daylight: 12 hrs 51 mins
Moonrise: 1:03 AM
Moon Transit: 9:05 AM
Moonset: 5:00 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
8:54 PM - 11:24 PM

Minor Periods

4:30 PM - 6:00 PM
12:33 AM - 2:03 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: 6:39 AM
Sun Transit: 1:03 PM
Sunset: 7:27 PM
Daylight: 12 hrs 48 mins
Moonrise: 2:18 AM
Moon Transit: 10:05 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:35 AM - 12:05 AM

Minor Periods

5:11 PM - 6:41 PM
1:48 AM - 3:18 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: 6:39 AM
Sun Transit: 1:03 PM
Sunset: 7:27 PM
Daylight: 12 hrs 48 mins
Moonrise: 2:18 AM
Moon Transit: 10:05 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:35 AM - 12:05 AM

Minor Periods

5:11 PM - 6:41 PM
1:48 AM - 3:18 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: 6:40 AM
Sun Transit: 1:03 PM
Sunset: 7:26 PM
Daylight: 12 hrs 46 mins
Moonrise: 3:34 AM
Moon Transit: 11:01 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:31 AM - 1:01 PM

Minor Periods

5:44 PM - 7:14 PM
3:04 AM - 4:34 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: 6:40 AM
Sun Transit: 1:03 PM
Sunset: 7:26 PM
Daylight: 12 hrs 46 mins
Moonrise: 3:34 AM
Moon Transit: 11:01 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:31 AM - 1:01 PM

Minor Periods

5:44 PM - 7:14 PM
3:04 AM - 4:34 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: 6:41 AM
Sun Transit: 1:02 PM
Sunset: 7:24 PM
Daylight: 12 hrs 43 mins
Moonrise: 4:51 AM
Moon Transit: 11:52 AM
Moonset: 6:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:22 AM - 1:52 PM

Minor Periods

6:12 PM - 7:42 PM
4:21 AM - 5:51 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: 6:41 AM
Sun Transit: 1:02 PM
Sunset: 7:24 PM
Daylight: 12 hrs 43 mins
Moonrise: 4:51 AM
Moon Transit: 11:52 AM
Moonset: 6:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:22 AM - 1:52 PM

Minor Periods

6:12 PM - 7:42 PM
4:21 AM - 5:51 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: 6:42 AM
Sun Transit: 1:02 PM
Sunset: 7:22 PM
Daylight: 12 hrs 40 mins
Moonrise: 6:04 AM
Moon Transit: 12:41 AM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:11 AM - 2:41 PM

Minor Periods

6:36 PM - 8:06 PM
5:34 AM - 7:04 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: 6:42 AM
Sun Transit: 1:02 PM
Sunset: 7:22 PM
Daylight: 12 hrs 40 mins
Moonrise: 6:04 AM
Moon Transit: 12:41 AM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:11 AM - 2:41 PM

Minor Periods

6:36 PM - 8:06 PM
5:34 AM - 7:04 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: 6:43 AM
Sun Transit: 1:02 PM
Sunset: 7:21 PM
Daylight: 12 hrs 38 mins
Moonrise: 7:14 AM
Moon Transit: 1:27 PM
Moonset: 7:29 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
12:57 AM - 3:27 PM

Minor Periods

6:59 PM - 8:29 PM
6:44 AM - 8:14 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: 6:43 AM
Sun Transit: 1:02 PM
Sunset: 7:21 PM
Daylight: 12 hrs 38 mins
Moonrise: 7:14 AM
Moon Transit: 1:27 PM
Moonset: 7:29 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
12:57 AM - 3:27 PM

Minor Periods

6:59 PM - 8:29 PM
6:44 AM - 8:14 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: 6:44 AM
Sun Transit: 1:01 PM
Sunset: 7:19 PM
Daylight: 12 hrs 35 mins
Moonrise: 8:23 AM
Moon Transit: 2:12 PM
Moonset: 7:51 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:08 AM - 3:38 AM
1:42 PM - 4:12 PM

Minor Periods

7:21 PM - 8:51 PM
7:53 AM - 9:23 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: 6:44 AM
Sun Transit: 1:01 PM
Sunset: 7:19 PM
Daylight: 12 hrs 35 mins
Moonrise: 8:23 AM
Moon Transit: 2:12 PM
Moonset: 7:51 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:08 AM - 3:38 AM
1:42 PM - 4:12 PM

Minor Periods

7:21 PM - 8:51 PM
7:53 AM - 9:23 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: 6:45 AM
Sun Transit: 1:01 PM
Sunset: 7:17 PM
Daylight: 12 hrs 33 mins
Moonrise: 9:30 AM
Moon Transit: 2:57 PM
Moonset: 8:16 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
2:27 PM - 4:57 PM

Minor Periods

7:46 PM - 9:16 PM
9:00 AM - 10:30 AM

Action Rating: 4 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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