Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

60.1°F

Measurement Time: Wednesday, April 15, 2026, 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

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

73.6°F
Overcast
Overcast
77.5°F
76.7°F
69%
SSW 16.6 mph
20.2 mph
73.6°F
67.3°F
0 in
100%
9 mi
1008 mbar
3.9

Five Day Weather Forecast

Moderate rain
Wed
H: 81°F
L: 64°F
Patchy rain nearby
Thu
H: 82°F
L: 59°F
Patchy rain nearby
Fri
H: 82°F
L: 56°F
Heavy rain
Sat
H: 53°F
L: 35°F
Sunny
Sun
H: 54°F
L: 39°F

Air Quality

AQI: 1 - Good
PM2.5: 4.85 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 158.85 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 69 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

Flood Warning issued April 14 at 9:20PM CDT until April 20 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Tue April 14, 2026, 9:20 PM
Expires: Wed April 15, 2026, 9:30 PM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Henderson, Des Moines, Hancock and Lee 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 Burlington. * WHEN...Until early Monday afternoon. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 15.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 15.3 feet. - Forecast...The river is expected to fall below flood stage Sunday evening and continue falling to 14.9 feet Tuesday, April 21. - 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 evening at 930 PM CDT.


Flood Warning issued April 15 at 11:17AM CDT by NWS Quad Cities IA IL

Effective: Wed April 15, 2026, 11:17 AM
Expires: Thu April 16, 2026, 11:30 AM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Burlington affecting Des Moines, Lee, Henderson and Hancock Counties. ...The Flood Warning continues for the following rivers in Illinois...Iowa... 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 Burlington. * WHEN...Until further notice. * IMPACTS...At 16.0 feet, Water affects low lying buildings and homes in Montrose and Niota. * ADDITIONAL DETAILS... - At 11:00 AM CDT Wednesday the stage was 15.3 feet and slowly rising. - Forecast...The river is expected to rise to 16.1 feet Wednesday, April 22. - 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 1130 AM CDT.


Flood Watch issued April 15 at 11:21AM CDT by NWS Quad Cities IA IL

Effective: Wed April 15, 2026, 11:21 AM
Expires: Thu April 16, 2026, 11:30 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Keithsburg affecting Mercer, Des Moines, Louisa and Henderson Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Gregory Landing. * WHEN...From Friday evening until further notice. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 11:00 AM CDT Wednesday the stage was 14.3 feet. - Forecast...Flood stage may be reached Friday evening. - Flood stage is 15.0 feet.

If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov/quadcities. The next statement will be issued Thursday morning at 1130 AM CDT.


Flood Warning issued April 14 at 9:20PM CDT by NWS Quad Cities IA IL

Effective: Tue April 14, 2026, 9:20 PM
Expires: Wed April 15, 2026, 9:30 PM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Henderson, Des Moines, Hancock and Lee 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 Gladstone LD18. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 10.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 10.4 feet. - Forecast...The river is expected to fall to 10.0 feet Tuesday, April 21. - 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. Caution is urged when walking near riverbanks. The next statement will be issued by Wednesday evening at 930 PM CDT.


Flood Watch issued April 15 at 11:21AM CDT by NWS Quad Cities IA IL

Effective: Wed April 15, 2026, 11:21 AM
Expires: Thu April 16, 2026, 11:30 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Keithsburg affecting Mercer, Des Moines, Louisa and Henderson Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Keithsburg. * WHEN...From late Thursday night until further notice. * IMPACTS...At 14.5 feet, Water affects low lying areas in Oquawka. * ADDITIONAL DETAILS... - At 10:30 AM CDT Wednesday the stage was 13.7 feet. - Forecast...Flood stage may be reached early Friday morning. - Flood stage is 14.0 feet.

If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov/quadcities. The next statement will be issued Thursday morning at 1130 AM CDT.


Wednesday, April 15, 2026

Weather Forecast

Moderate rain
80.8°F
63.5°F
71.1°F
77%
0.29 in
89%
0%
22.6 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 5.91 μg/m3
PM10: 6.81 μg/m3
Carbon Monoxide: 144.21 μg/m3
Nitrogen Dioxide: 3.37 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 71.8 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

Patchy rain nearby
82°F
59°F
68.4°F
73%
0.04 in
77%
0%
11.4 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 7.87 μg/m3
PM10: 9.89 μg/m3
Carbon Monoxide: 151.61 μg/m3
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 82.76 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
81.7°F
55.9°F
68.9°F
75%
0.15 in
84%
0%
24.4 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 5.58 μg/m3
PM10: 6.5 μg/m3
Carbon Monoxide: 160.77 μg/m3
Nitrogen Dioxide: 5.16 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 76.88 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

Heavy rain
53°F
35.4°F
46.1°F
69%
1.55 in
89%
0%
20.6 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 3.74 μg/m3
PM10: 3.99 μg/m3
Carbon Monoxide: 151.38 μg/m3
Nitrogen Dioxide: 2.84 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 75.84 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

Sunday, April 19, 2026

Weather Forecast

Sunny
53.6°F
38.9°F
45.9°F
53%
0 in
0%
0%
14.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.3 μg/m3
PM10: 3.59 μg/m3
Carbon Monoxide: 155.56 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 77.77 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:04 PM
Sunset: 7:49 PM
Daylight: 13 hrs 27 mins
Moonrise: 7:20 AM
Moon Transit: 3:10 PM
Moonset: 11:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
2:40 PM - 5:10 PM

Minor Periods

12:00 AM - 12:00 AM
6:50 AM - 8:20 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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