Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

60.6°F

Measurement Time: Thursday, April 23, 2026, 2:45 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

61.2°F
Sunny
Sunny
61.2°F
64.4°F
88%
S 12.3 mph
17.7 mph
64.3°F
56.2°F
0 in
0%
9 mi
1011 mbar
0.7

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 82°F
L: 59°F
Moderate rain
Fri
H: 70°F
L: 54°F
Partly Cloudy
Sat
H: 64°F
L: 46°F
Partly Cloudy
Sun
H: 68°F
L: 48°F
Moderate rain
Mon
H: 65°F
L: 57°F

Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 4.85 μg/m3
Carbon Monoxide: 164.85 μg/m3
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 109 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:03 PM
Sunset: 7:53 PM
Daylight: 13 hrs 37 mins
Moonrise: 11:35 AM
Moon Transit: 7:19 PM
Moonset: 2:14 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
6:49 PM - 9:19 PM

Minor Periods

11:05 AM - 12:35 AM
1:44 AM - 3:14 AM

Action Rating: 3 out of 5

Flood Warning issued April 22 at 10:32AM CDT by NWS Quad Cities IA IL

Effective: Wed April 22, 2026, 10:32 AM
Expires: Thu April 23, 2026, 10:45 AM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island Counties. Mississippi River at Rock Island LD15 affecting Muscatine, Scott and Rock Island Counties. Mississippi River at Muscatine affecting Muscatine, Rock Island, Mercer and Louisa Counties. ...The Flood Warning continues for the following rivers in Illinois...Missouri...Iowa... Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Keithsburg affecting Mercer, Des Moines, Henderson and Louisa Counties. Mississippi River at Burlington affecting Hancock, Lee, Des Moines and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Moderate flooding is occurring and is forecast to continue. * WHERE...Mississippi River at Burlington. * WHEN...Until further notice. * IMPACTS...At 17.5 feet, water affects Riverview Drive in Riverview Park in Fort Madison. * ADDITIONAL DETAILS... - At 9:00 AM CDT Wednesday, the stage was 17.4 feet. - Forecast...The river is expected to rise to a crest of 17.5 feet tomorrow and slowly fall through the middle of next week. - Flood stage is 15.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. The next statement will be issued by Thursday morning at 1045 AM CDT.


Flood Warning issued April 22 at 10:32AM CDT until April 29 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Wed April 22, 2026, 10:32 AM
Expires: Thu April 23, 2026, 10:45 AM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island Counties. Mississippi River at Rock Island LD15 affecting Muscatine, Scott and Rock Island Counties. Mississippi River at Muscatine affecting Muscatine, Rock Island, Mercer and Louisa Counties. ...The Flood Warning continues for the following rivers in Illinois...Missouri...Iowa... Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Keithsburg affecting Mercer, Des Moines, Henderson and Louisa Counties. Mississippi River at Burlington affecting Hancock, Lee, Des Moines and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Minor flooding is occurring and is forecast to continue. * WHERE...Mississippi River at Gregory Landing. * WHEN...Until Wednesday, April 29. * IMPACTS...At 16.0 feet, water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 10:00 AM CDT Wednesday, the stage was 16.0 feet. - The river remains in a broad, long crest. - Forecast...The river is expected to fluctuate around 16.0 feet through the weekend and fall below flood stage by the middle of next week. - Flood stage is 15.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. The next statement will be issued by Thursday morning at 1045 AM CDT.


Flood Warning issued April 22 at 9:18PM CDT by NWS Quad Cities IA IL

Effective: Wed April 22, 2026, 9:18 PM
Expires: Thu April 23, 2026, 9:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. ...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Des Moines and Henderson Counties. Mississippi River at Burlington affecting Hancock, Lee, Des Moines and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Mississippi River at Burlington. * WHEN...Until further notice. * IMPACTS...At 17.5 feet, Water affects Riverview Drive in Riverview Park in Fort Madison. * ADDITIONAL DETAILS... - At 8:00 PM CDT Wednesday the stage was 17.4 feet. - Forecast...The river is expected to rise to a crest of 17.5 feet just after midnight tonight and remain around 17,5 feet through Thursday evening before beginning to fall. - Flood stage is 15.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. The next statement will be issued Thursday evening at 930 PM CDT.


Flood Warning issued April 22 at 9:18PM CDT until April 29 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Wed April 22, 2026, 9:18 PM
Expires: Thu April 23, 2026, 9:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. ...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Des Moines and Henderson Counties. Mississippi River at Burlington affecting Hancock, Lee, Des Moines and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Gregory Landing. * WHEN...Until Wednesday, April 29. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 9:00 PM CDT Wednesday the stage was 16.0 feet. - The river remains in a broad, long crest. - Forecast...The river is expected to fall below flood stage Wednesday, April 29 and continue falling to 14.6 feet Wednesday, April 29. - Flood stage is 15.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. The next statement will be issued Thursday evening at 930 PM CDT.


Flood Warning issued April 22 at 11:02AM CDT until April 29 at 1:00PM CDT by NWS St Louis MO

Effective: Wed April 22, 2026, 11:02 AM
Expires: Thu April 23, 2026, 11:15 PM

...The Flood Warning continues for the Mississippi River at the following locations... Mississippi River at Chester. Mississippi River at Grafton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Canton. 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 Canton. * WHEN...Until Wednesday afternoon. * IMPACTS...At 16.6 feet, Front Street leading to the campground and Corps park campgrounds flood at this height. * ADDITIONAL DETAILS... - At 10:00 AM CDT Wednesday the stage was 15.7 feet. - Forecast...The river is expected to rise to a crest of 15.7 feet this afternoon. It will then fall below flood stage Tuesday morning. - Flood stage is 15.0 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


Thursday, April 23, 2026

Weather Forecast

Patchy rain nearby
82.4°F
58.5°F
68.9°F
71%
0.08 in
91%
0%
19.5 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 3.59 μg/m3
PM10: 3.96 μg/m3
Carbon Monoxide: 168.29 μg/m3
Nitrogen Dioxide: 4.73 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 81.56 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:03 PM
Sunset: 7:53 PM
Daylight: 13 hrs 37 mins
Moonrise: 11:35 AM
Moon Transit: 7:19 PM
Moonset: 2:14 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
6:49 PM - 9:19 PM

Minor Periods

11:05 AM - 12:35 AM
1:44 AM - 3:14 AM

Action Rating: 3 out of 5

Friday, April 24, 2026

Weather Forecast

Moderate rain
69.8°F
53.7°F
63.5°F
74%
0.5 in
90%
0%
19.7 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 2.76 μg/m3
PM10: 3.01 μg/m3
Carbon Monoxide: 158.49 μg/m3
Nitrogen Dioxide: 3.03 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 83.36 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:03 PM
Sunset: 7:54 PM
Daylight: 13 hrs 40 mins
Moonrise: 12:50 AM
Moon Transit: 8:12 PM
Moonset: 2:52 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
7:42 PM - 10:12 PM

Minor Periods

12:20 AM - 1:50 PM
2:22 AM - 3:52 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Partly Cloudy
63.5°F
46°F
55.3°F
64%
0 in
0%
0%
13.6 mph
5.1


Air Quality

AQI: 1 - Good
PM2.5: 2.92 μg/m3
PM10: 3.41 μg/m3
Carbon Monoxide: 172.53 μg/m3
Nitrogen Dioxide: 5 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 76.16 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:03 PM
Sunset: 7:55 PM
Daylight: 13 hrs 42 mins
Moonrise: 2:01 PM
Moon Transit: 9:00 PM
Moonset: 3:22 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

7:55 AM - 10:25 AM
8:30 PM - 11:00 PM

Minor Periods

1:31 PM - 3:01 PM
2:52 AM - 4:22 AM

Action Rating: 2 out of 5

Sunday, April 26, 2026

Weather Forecast

Partly Cloudy
67.9°F
48.4°F
59.1°F
66%
0 in
0%
0%
17 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 4.1 μg/m3
PM10: 4.45 μg/m3
Carbon Monoxide: 173.96 μg/m3
Nitrogen Dioxide: 5.94 μg/m3
Sulphur Dioxide: 3.57 μg/m3
Ozone: 83.64 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:03 PM
Sunset: 7:56 PM
Daylight: 13 hrs 45 mins
Moonrise: 3:08 PM
Moon Transit: 9:44 PM
Moonset: 3:47 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

8:41 AM - 11:11 AM
9:14 PM - 11:44 PM

Minor Periods

2:38 PM - 4:08 PM
3:17 AM - 4:47 AM

Action Rating: 2 out of 5

Monday, April 27, 2026

Weather Forecast

Moderate rain
64.6°F
57.3°F
61.4°F
89%
0.75 in
89%
0%
23.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.32 μg/m3
PM10: 4.79 μg/m3
Carbon Monoxide: 168.99 μg/m3
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 96.23 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:03 PM
Sunset: 7:57 PM
Daylight: 13 hrs 47 mins
Moonrise: 4:14 PM
Moon Transit: 10:27 PM
Moonset: 4:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
12:00 AM - 12:00 AM

Minor Periods

3:44 PM - 5:14 PM
3:40 AM - 5:10 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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