Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

56.5°F

Measurement Time: Tuesday, April 14, 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

71.8°F
Partly cloudy
Partly cloudy
76.2°F
76.3°F
78%
SW 12.8 mph
17.2 mph
72.9°F
66.3°F
0 in
75%
9 mi
1009 mbar
1.4

Five Day Weather Forecast

Partly Cloudy
Tue
H: 90°F
L: 67°F
Patchy rain nearby
Wed
H: 77°F
L: 60°F
Sunny
Thu
H: 82°F
L: 55°F
Patchy rain nearby
Fri
H: 78°F
L: 60°F
Patchy rain nearby
Sat
H: 70°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 6.95 μg/m3
PM10: 7.45 μg/m3
Carbon Monoxide: 141.85 μg/m3
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 88 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

Flood Warning issued April 13 at 11:22AM CDT until April 18 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Mon April 13, 2026, 11:22 AM
Expires: Tue April 14, 2026, 11:30 AM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Lee, Henderson, Hancock and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring and will continue. * WHERE...Mississippi River at Burlington. * WHEN...Until early Saturday afternoon. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 10:00 AM CDT Monday the stage was 15.2 feet. - Forecast...The river is cresting and expected to fall below flood stage Saturday. - Flood stage is 15.0 feet.

Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. The next statement will be issued by Tuesday morning at 1130 AM CDT.


Flood Warning issued April 13 at 9:00PM CDT until April 18 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Mon April 13, 2026, 9:00 PM
Expires: Tue April 14, 2026, 9:00 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Burlington affecting Des Moines, Lee, Henderson and Hancock Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... Iowa River at Oakville affecting Louisa County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Burlington. * WHEN...Until Saturday evening. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 15.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 15.3 feet. - Forecast...The river is expected to rise to a crest of 15.3 feet just after midnight tonight. It will then fall below flood stage early Saturday morning. - 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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by this evening at 1000 PM CDT.


Flood Warning issued April 13 at 11:22AM CDT until April 18 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Mon April 13, 2026, 11:22 AM
Expires: Tue April 14, 2026, 11:30 AM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Lee, Henderson, Hancock and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring and will continue. * WHERE...Mississippi River at Gladstone LD18. * WHEN...Until early Saturday afternoon. * ADDITIONAL DETAILS... - At 11:00 AM CDT Monday the stage was 10.3 feet. - Forecast...The river is cresting and expected to fall below flood stage Saturday. - Flood stage is 10.0 feet.

Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. The next statement will be issued by Tuesday morning at 1130 AM CDT.


Flood Warning issued April 13 at 9:00PM CDT until April 18 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Mon April 13, 2026, 9:00 PM
Expires: Tue April 14, 2026, 9:00 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Burlington affecting Des Moines, Lee, Henderson and Hancock Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... Iowa River at Oakville affecting Louisa County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Gladstone LD18. * WHEN...Until Saturday evening. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 10.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Monday was 10.3 feet. - Forecast...The river is expected to rise to a crest of 10.4 feet early Wednesday morning. It will then fall below flood stage early Saturday morning. - 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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by this evening at 1000 PM CDT.


Flood Warning issued April 13 at 11:39AM CDT until April 18 at 1:00PM CDT by NWS St Louis MO

Effective: Mon April 13, 2026, 11:39 AM
Expires: Tue April 14, 2026, 11:45 PM

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Louisiana. Mississippi River at Hannibal. Mississippi River at Clarksville. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...Until Saturday afternoon. * IMPACTS...At 17.0 feet, John Hay Recreation Area on east side (inside the Illinois Sny Levee) begins flooding. * ADDITIONAL DETAILS... - At 10:15 AM CDT Monday the stage was 17.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 AM CDT Monday was 17.1 feet. - Forecast...The river is expected to rise to a crest of 17.6 feet early Wednesday morning. It will then fall below flood stage Friday 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


Tuesday, April 14, 2026

Weather Forecast

Partly Cloudy
90°F
67.3°F
76.3°F
69%
0 in
0%
0%
21.3 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 5.02 μg/m3
PM10: 5.72 μg/m3
Carbon Monoxide: 145.25 μg/m3
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 78.68 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

Patchy rain nearby
76.5°F
60.3°F
71°F
83%
0.14 in
76%
0%
20.6 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 5.46 μg/m3
PM10: 6.06 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 3.87 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 70.2 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

Thursday, April 16, 2026

Weather Forecast

Sunny
81.9°F
54.5°F
67.3°F
65%
0 in
0%
0%
11.9 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 4.33 μg/m3
PM10: 5.38 μg/m3
Carbon Monoxide: 145.97 μg/m3
Nitrogen Dioxide: 3.58 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 73.52 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:05 PM
Sunset: 7:46 PM
Daylight: 13 hrs 20 mins
Moonrise: 5:42 AM
Moon Transit: 12:20 AM
Moonset: 7:13 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:50 AM - 2:20 PM

Minor Periods

6:43 PM - 8:13 PM
5:12 AM - 6:42 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Patchy rain nearby
77.5°F
59.8°F
67.2°F
79%
0.03 in
85%
0%
19.7 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 4.66 μg/m3
PM10: 5.84 μg/m3
Carbon Monoxide: 176.82 μg/m3
Nitrogen Dioxide: 5.23 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 78.24 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:05 PM
Sunset: 7:47 PM
Daylight: 13 hrs 22 mins
Moonrise: 6:10 AM
Moon Transit: 1:12 PM
Moonset: 8:31 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:05 AM - 2:35 AM
12:42 AM - 3:12 PM

Minor Periods

8:01 PM - 9:31 PM
5:40 AM - 7:10 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Patchy rain nearby
69.6°F
49.2°F
59.2°F
67%
0.05 in
88%
0%
27.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.13 μg/m3
PM10: 5.58 μg/m3
Carbon Monoxide: 157.23 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 83.08 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:04 PM
Sunset: 7:48 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:41 AM
Moon Transit: 2:09 PM
Moonset: 9:51 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
1:39 PM - 4:09 PM

Minor Periods

9:21 PM - 10:51 PM
6:11 AM - 7:41 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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