Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

60.4°F

Measurement Time: Tuesday, April 21, 2026, 10:45 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

62.8°F
Partly cloudy
Partly cloudy
62.8°F
61.8°F
83%
SW 12.8 mph
19.7 mph
61.7°F
56.1°F
0 in
75%
9 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 83°F
L: 60°F
Moderate rain
Thu
H: 77°F
L: 59°F
Moderate rain
Fri
H: 77°F
L: 57°F
Patchy rain nearby
Sat
H: 68°F
L: 54°F
Sunny
Sun
H: 69°F
L: 48°F

Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 2.95 μg/m3
Carbon Monoxide: 153.85 μg/m3
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:03 PM
Sunset: 7:52 PM
Daylight: 13 hrs 35 mins
Moonrise: 10:22 AM
Moon Transit: 6:22 PM
Moonset: 1:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

5:10 AM - 7:40 AM
5:52 PM - 8:22 PM

Minor Periods

9:52 AM - 11:22 AM
12:55 AM - 2:25 AM

Action Rating: 2 out of 5

Flood Warning issued April 21 at 11:09AM CDT by NWS Quad Cities IA IL

Effective: Tue April 21, 2026, 11:09 AM
Expires: Wed April 22, 2026, 11:15 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines 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 10:00 AM CDT Tuesday the stage was 17.2 feet. - Forecast...The river is expected to rise to a crest of 17.5 feet Thursday evening and slowly fall through early next week. - 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. Caution is urged when walking near riverbanks. The next statement will be issued by Wednesday morning at 1115 AM CDT.


Flood Warning issued April 21 at 11:09AM CDT by NWS Quad Cities IA IL

Effective: Tue April 21, 2026, 11:09 AM
Expires: Wed April 22, 2026, 11:15 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Mercer, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring and is forecast to continue. * WHERE...Mississippi River at Gregory Landing. * WHEN...Until further notice. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 16.0 feet. - Recent Activity...The river is currently undergoing a broad crest. - Forecast...The river is expected to rise to a crest of 16.1 feet this afternoon and maintain this height through Sunday. - 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. Caution is urged when walking near riverbanks. The next statement will be issued by Wednesday morning at 1115 AM CDT.


Flood Warning issued April 21 at 8:56PM CDT by NWS Quad Cities IA IL

Effective: Tue April 21, 2026, 8:56 PM
Expires: Wed April 22, 2026, 9:00 PM

...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Scott, Rock Island and Muscatine Counties. Mississippi River at Muscatine affecting Mercer, Rock Island, Louisa and Muscatine Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Keithsburg affecting Mercer, Des Moines, Louisa and Henderson Counties. Mississippi River at Burlington affecting Des Moines, Henderson, Lee and Hancock 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 Tuesday the stage was 17.3 feet. - Forecast...The river is expected to rise to a crest of 17.5 feet Thursday evening. - 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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/quadcities. The next statement will be issued Wednesday evening at 900 PM CDT.


Flood Warning issued April 21 at 8:56PM CDT by NWS Quad Cities IA IL

Effective: Tue April 21, 2026, 8:56 PM
Expires: Wed April 22, 2026, 9:00 PM

...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. Mississippi River at Rock Island LD15 affecting Scott, Rock Island and Muscatine Counties. Mississippi River at Muscatine affecting Mercer, Rock Island, Louisa and Muscatine Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Keithsburg affecting Mercer, Des Moines, Louisa and Henderson Counties. Mississippi River at Burlington affecting Des Moines, Henderson, Lee and Hancock 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 further notice. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 16.0 feet. - The river remains in a broad, long crest. - Forecast...The river will remain around 16.0 feet through Saturday, before beginning to slowly fall. - 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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/quadcities. The next statement will be issued Wednesday evening at 900 PM CDT.


Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO

Effective: Tue April 21, 2026, 11:16 AM
Expires: Wed April 22, 2026, 11:30 PM

...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. 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 further notice. * IMPACTS...At 16.6 feet, Front Street leading to the campground and Corps park campgrounds flood at this height. * ADDITIONAL DETAILS... - At 6:00 AM CDT Tuesday the stage was 15.8 feet. - Forecast...The river is expected to fall to 15.0 feet Tuesday, April 28. - 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


Wednesday, April 22, 2026

Weather Forecast

Sunny
82.9°F
59.5°F
67.7°F
73%
0 in
0%
0%
15.2 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 3.52 μg/m3
PM10: 3.62 μg/m3
Carbon Monoxide: 156.93 μg/m3
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 87.28 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:03 PM
Sunset: 7:52 PM
Daylight: 13 hrs 35 mins
Moonrise: 10:22 AM
Moon Transit: 6:22 PM
Moonset: 1:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

5:10 AM - 7:40 AM
5:52 PM - 8:22 PM

Minor Periods

9:52 AM - 11:22 AM
12:55 AM - 2:25 AM

Action Rating: 2 out of 5

Thursday, April 23, 2026

Weather Forecast

Moderate rain
76.9°F
58.6°F
67.2°F
77%
0.51 in
84%
0%
20.8 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 3.8 μg/m3
PM10: 4.17 μg/m3
Carbon Monoxide: 165.73 μg/m3
Nitrogen Dioxide: 5.11 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 79.12 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
77.3°F
57.2°F
65.7°F
80%
0.7 in
82%
0%
14.1 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 3.24 μg/m3
PM10: 3.65 μg/m3
Carbon Monoxide: 154.45 μg/m3
Nitrogen Dioxide: 2.93 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 88.64 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

Patchy rain nearby
67.5°F
53.7°F
59.9°F
80%
0 in
0%
0%
11.9 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 2.72 μg/m3
PM10: 2.95 μg/m3
Carbon Monoxide: 174.16 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 76.96 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

Sunny
69.2°F
48.4°F
57.1°F
73%
0 in
0%
0%
16.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.11 μg/m3
PM10: 3.48 μg/m3
Carbon Monoxide: 165.13 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 2.26 μg/m3
Ozone: 88.54 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

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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