Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

81.7°F

Measurement Time: Tuesday, July 15, 2025, 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

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Mississippi River

Station Name: Mississippi River at Keokuk, IA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 505 feet / 154 meters

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 (34.0 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 (77.0 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

86.7°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 59%
Feels Like: 95.1°F
Wind: S 4.9 mph
Wind Gusts: 5.9 mph
Pressure: 29.96 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 6.7

Five Day Weather Forecast

Overcast
Tue
H: 90°F
L: 67°F
Moderate rain
Wed
H: 95°F
L: 71°F
Patchy rain nearby
Thu
H: 77°F
L: 59°F
Overcast
Fri
H: 78°F
L: 57°F
Moderate rain
Sat
H: 90°F
L: 68°F

Air Quality

AQI: 1 - Good
PM2.5: 12.4 μg/m3
PM10: 12.77 μg/m3
Carbon Monoxide: 351.5 μg/m3
Nitrogen Dioxide: 8.33 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 128 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:11 PM
Sunset: 8:35 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:02 AM
Moon Transit: 4:52 AM
Moonset: 10:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

4:22 AM - 6:52 AM
12:00 AM - 12:00 AM

Minor Periods

10:24 AM - 11:54 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Flood Warning issued July 15 at 11:05AM CDT until July 16 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Tue July 15, 2025, 11:05 AM
Expires: Wed July 16, 2025, 11:15 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Hancock, Des Moines, Lee and Henderson Counties. Iowa River at Marengo affecting Benton and Iowa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Burlington. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 15.1 feet. - Recent Activity...The river is near crest. - Forecast...The river is expected to fall below flood stage this evening and continue falling to 12.8 feet Tuesday, July 22. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Wednesday morning at 1115 AM CDT.


Flood Warning issued July 15 at 11:05AM CDT until July 16 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Tue July 15, 2025, 11:05 AM
Expires: Wed July 16, 2025, 11:15 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Hancock, Des Moines, Lee and Henderson Counties. Iowa River at Marengo affecting Benton and Iowa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Burlington. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 15.1 feet. - Recent Activity...The river is near crest. - Forecast...The river is expected to fall below flood stage this evening and continue falling to 12.8 feet Tuesday, July 22. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Wednesday morning at 1115 AM CDT.


Flood Warning issued July 15 at 11:05AM CDT until July 16 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Tue July 15, 2025, 11:05 AM
Expires: Wed July 16, 2025, 11:15 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Hancock, Des Moines, Lee and Henderson Counties. Iowa River at Marengo affecting Benton and Iowa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Burlington. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 15.1 feet. - Recent Activity...The river is near crest. - Forecast...The river is expected to fall below flood stage this evening and continue falling to 12.8 feet Tuesday, July 22. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Wednesday morning at 1115 AM CDT.


Flood Warning issued July 15 at 11:05AM CDT until July 17 at 1:00AM CDT by NWS Quad Cities IA IL

Effective: Tue July 15, 2025, 11:05 AM
Expires: Wed July 16, 2025, 11:15 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Hancock, Des Moines, Lee and Henderson Counties. Iowa River at Marengo affecting Benton and Iowa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Gladstone LD18. * WHEN...Until early Thursday morning. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 10.1 feet. - Recent Activity...The river is near crest. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 7.7 feet Tuesday, July 22. - Flood stage is 10.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Wednesday morning at 1115 AM CDT.


Flood Warning issued July 15 at 11:05AM CDT until July 16 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Tue July 15, 2025, 11:05 AM
Expires: Wed July 16, 2025, 11:15 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Hancock, Des Moines, Lee and Henderson Counties. Iowa River at Marengo affecting Benton and Iowa Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Burlington. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 15.1 feet. - Recent Activity...The river is near crest. - Forecast...The river is expected to fall below flood stage this evening and continue falling to 12.8 feet Tuesday, July 22. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Wednesday morning at 1115 AM CDT.
Tuesday, July 15, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 77.5°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 15.1 μg/m3
PM10: 16.27 μg/m3
Carbon Monoxide: 385.91 μg/m3
Nitrogen Dioxide: 16.51 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 95.52 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:11 PM
Sunset: 8:35 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:02 AM
Moon Transit: 4:52 AM
Moonset: 10:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

4:22 AM - 6:52 AM
12:00 AM - 12:00 AM

Minor Periods

10:24 AM - 11:54 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 16, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 80.5°F
Average Humidity: 84%
Chance of Rain: 87%
Wind: 15.9 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 10.97 μg/m3
PM10: 11.47 μg/m3
Carbon Monoxide: 340.03 μg/m3
Nitrogen Dioxide: 8.07 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 97.4 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:11 PM
Sunset: 8:34 PM
Daylight: 14 hrs 45 mins
Moonrise: 12:24 AM
Moon Transit: 12:15 AM
Moonset: 12:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

11:34 AM - 1:04 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 17, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 67.5°F
Average Humidity: 80%
Chance of Rain: 72%
Wind: 11.6 mph
UV Index: 1.8

Air Quality

AQI: 1 - Good
PM2.5: 6.03 μg/m3
PM10: 6.57 μg/m3
Carbon Monoxide: 273.73 μg/m3
Nitrogen Dioxide: 7.62 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 76.88 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:11 PM
Sunset: 8:33 PM
Daylight: 14 hrs 43 mins
Moonrise: 12:48 AM
Moon Transit: 6:25 AM
Moonset: 1:17 PM
Moon Phase: Last Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

5:55 AM - 8:25 AM
6:08 PM - 8:38 PM

Minor Periods

12:47 AM - 2:17 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Friday, July 18, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 68.2°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 5.02 μg/m3
PM10: 5.28 μg/m3
Carbon Monoxide: 319.31 μg/m3
Nitrogen Dioxide: 10.5 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 72.4 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:11 PM
Sunset: 8:33 PM
Daylight: 14 hrs 42 mins
Moonrise: 12:13 AM
Moon Transit: 7:15 AM
Moonset: 2:32 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

6:45 AM - 9:15 AM
7:00 PM - 9:30 PM

Minor Periods

2:02 PM - 3:32 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, July 19, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 77.9°F
Average Humidity: 83%
Chance of Rain: 88%
Wind: 14.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 10.74 μg/m3
PM10: 14 μg/m3
Carbon Monoxide: 418.1 μg/m3
Nitrogen Dioxide: 12.71 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 71.31 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:11 PM
Sunset: 8:32 PM
Daylight: 14 hrs 40 mins
Moonrise: 12:43 AM
Moon Transit: 8:09 AM
Moonset: 3:49 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

3:19 PM - 4:49 PM
12:13 AM - 1:43 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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