Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

51.3°F

Measurement Time: Saturday, April 11, 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

64.9°F
Partly cloudy
Partly cloudy
64.9°F
67.2°F
61%
SE 12.5 mph
18.1 mph
67.2°F
56.5°F
0.06 in
75%
9 mi
1022 mbar
0.9

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 69°F
L: 43°F
Moderate rain
Sun
H: 76°F
L: 61°F
Moderate rain
Mon
H: 77°F
L: 64°F
Patchy rain nearby
Tue
H: 80°F
L: 68°F
Moderate rain
Wed
H: 79°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 11.85 μg/m3
PM10: 12.15 μg/m3
Carbon Monoxide: 199.85 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 5.95 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:06 PM
Sunset: 7:40 PM
Daylight: 13 hrs 7 mins
Moonrise: 3:38 AM
Moon Transit: 8:26 AM
Moonset: 1:22 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:56 AM - 10:26 AM
8:09 PM - 10:39 PM

Minor Periods

12:52 AM - 2:22 PM
3:08 AM - 4:38 AM

Action Rating: 3 out of 5

Flood Watch issued April 10 at 9:29PM CDT until April 16 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Fri April 10, 2026, 9:29 PM
Expires: Sat April 11, 2026, 9:30 PM

...The Flood Watch is extended for the following rivers in Illinois...Iowa... Mississippi River at Burlington affecting Lee, Des Moines, Henderson and Hancock Counties. ...The Flood Watch continues for the following rivers in Illinois... Iowa... Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Burlington. * WHEN...From Monday evening to Thursday evening. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 14.6 feet. - Forecast...Flood stage may be reached Monday evening. - Flood stage is 15.0 feet.

Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. If you are in the watch area, remain alert to possible flooding. The next statement will be issued by Saturday evening at 930 PM CDT.


Flood Warning issued April 11 at 11:19AM CDT until April 17 at 1:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 11, 2026, 11:19 AM
Expires: Sun April 12, 2026, 11:30 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa...Illinois... Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. .Additional rounds of rainfall during the first half of next week may result in a longer and higher crest on this portion of the Mississippi River. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Burlington. * WHEN...From late Sunday night to early Friday morning. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 10:00 AM CDT Saturday the stage was 14.8 feet and gradually rising. - Forecast...The river is expected to rise above flood stage late Sunday night to a crest of 15.1 feet Monday evening and then hold steady. - Flood stage is 15.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Sunday morning at 1130 AM CDT.


Flood Watch issued April 10 at 9:29PM CDT until April 17 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Fri April 10, 2026, 9:29 PM
Expires: Sat April 11, 2026, 9:30 PM

...The Flood Watch is extended for the following rivers in Illinois...Iowa... Mississippi River at Burlington affecting Lee, Des Moines, Henderson and Hancock Counties. ...The Flood Watch continues for the following rivers in Illinois... Iowa... Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Gladstone LD18. * WHEN...From Monday evening to Friday, April 17. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 9.7 feet. - Forecast...Flood stage may be reached Monday evening. - Flood stage is 10.0 feet.

Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. If you are in the watch area, remain alert to possible flooding. The next statement will be issued by Saturday evening at 930 PM CDT.


Flood Warning issued April 11 at 11:19AM CDT until April 16 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Sat April 11, 2026, 11:19 AM
Expires: Sun April 12, 2026, 11:30 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa...Illinois... Mississippi River at Burlington affecting Hancock, Des Moines, Henderson and Lee Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. .Additional rounds of rainfall during the first half of next week may result in a longer and higher crest on this portion of the Mississippi River. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Gladstone LD18. * WHEN...From late Sunday night to early Thursday afternoon. * ADDITIONAL DETAILS... - At 11:00 AM CDT Saturday the stage was 9.8 feet and gradually rising. - Forecast...The river is expected to rise above flood stage late Sunday night to a crest of 10.1 feet Monday evening and then hold steady. - Flood stage is 10.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Sunday morning at 1130 AM CDT.


Flood Warning issued April 11 at 11:33AM CDT until April 19 at 1:00AM CDT by NWS St Louis MO

Effective: Sat April 11, 2026, 11:33 AM
Expires: Sun April 12, 2026, 11:45 PM

...The National Weather Service in St Louis has issued a Flood Warning for the following river in Missouri and Illinois... Mississippi River at Hannibal. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...From Monday afternoon to Sunday, April 19. * IMPACTS...At 17.0 feet, John Hay Recreation Area on east side (inside the Illinois Sny Levee) begins flooding. * ADDITIONAL DETAILS... - At 11:15 AM CDT Saturday the stage was 16.7 feet. - Forecast...The river is expected to rise above flood stage Monday afternoon to a crest of 17.5 feet Wednesday morning. - Flood stage is 17.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Saturday, April 11, 2026

Weather Forecast

Patchy rain nearby
68.7°F
42.8°F
54.6°F
77%
0.07 in
77%
0%
14.8 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 9.05 μg/m3
PM10: 9.37 μg/m3
Carbon Monoxide: 188.17 μg/m3
Nitrogen Dioxide: 5.71 μg/m3
Sulphur Dioxide: 2.36 μg/m3
Ozone: 68.68 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:06 PM
Sunset: 7:40 PM
Daylight: 13 hrs 7 mins
Moonrise: 3:38 AM
Moon Transit: 8:26 AM
Moonset: 1:22 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:56 AM - 10:26 AM
8:09 PM - 10:39 PM

Minor Periods

12:52 AM - 2:22 PM
3:08 AM - 4:38 AM

Action Rating: 3 out of 5

Sunday, April 12, 2026

Weather Forecast

Moderate rain
75.6°F
60.8°F
66.3°F
82%
0.28 in
83%
0%
18.6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 7.61 μg/m3
PM10: 7.94 μg/m3
Carbon Monoxide: 170.85 μg/m3
Nitrogen Dioxide: 3.89 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 85.96 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:06 PM
Sunset: 7:41 PM
Daylight: 13 hrs 10 mins
Moonrise: 4:07 AM
Moon Transit: 9:13 AM
Moonset: 2:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:43 AM - 11:13 AM
8:55 PM - 11:25 PM

Minor Periods

1:59 PM - 3:29 PM
3:37 AM - 5:07 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Moderate rain
77.4°F
63.5°F
69.8°F
86%
0.31 in
76%
0%
22.4 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 3.67 μg/m3
Carbon Monoxide: 145.61 μg/m3
Nitrogen Dioxide: 2.91 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 74.36 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:05 PM
Sunset: 7:42 PM
Daylight: 13 hrs 12 mins
Moonrise: 4:32 AM
Moon Transit: 10:00 AM
Moonset: 3:37 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:30 AM - 12:00 AM

Minor Periods

3:07 PM - 4:37 PM
4:02 AM - 5:32 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Patchy rain nearby
80.2°F
68.4°F
73.8°F
79%
0.04 in
74%
0%
22.4 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 4.22 μg/m3
PM10: 4.47 μg/m3
Carbon Monoxide: 149.14 μg/m3
Nitrogen Dioxide: 3.02 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 74.96 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:05 PM
Sunset: 7:43 PM
Daylight: 13 hrs 15 mins
Moonrise: 4:56 AM
Moon Transit: 10:45 AM
Moonset: 4:47 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:15 AM - 12:45 AM

Minor Periods

4:17 PM - 5:47 PM
4:26 AM - 5:56 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Moderate rain
78.5°F
60.3°F
68.7°F
84%
0.62 in
89%
0%
20.8 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 5.21 μg/m3
PM10: 5.4 μg/m3
Carbon Monoxide: 150.35 μg/m3
Nitrogen Dioxide: 3.18 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 71.62 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:05 PM
Sunset: 7:45 PM
Daylight: 13 hrs 17 mins
Moonrise: 5:18 AM
Moon Transit: 10:33 AM
Moonset: 5:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

10:03 AM - 12:33 AM
10:03 AM - 12:33 AM

Minor Periods

5:28 PM - 6:58 PM
4:48 AM - 6:18 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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