Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

63.0°F

Measurement Time: Friday, April 17, 2026, 12:45 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

64.6°F
Partly cloudy
Partly cloudy
64.6°F
63.2°F
94%
SSE 8.9 mph
18.3 mph
63.2°F
59.5°F
0 in
50%
9 mi
1010 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 90°F
L: 57°F
Heavy rain
Sat
H: 56°F
L: 39°F
Sunny
Sun
H: 60°F
L: 33°F
Sunny
Mon
H: 70°F
L: 40°F
Patchy rain nearby
Tue
H: 66°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 6.05 μg/m3
PM10: 6.45 μg/m3
Carbon Monoxide: 157.85 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 79 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

Flood Warning issued April 16 at 11:30AM CDT by NWS Quad Cities IA IL

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

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Lee, Hancock, 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 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 Thursday the stage was 15.4 feet and rising. - Forecast...The river is expected to rise to 16.4 feet early Wednesday morning. Additional rises are possible thereafter. - 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. The next statement will be issued Friday morning at 1130 AM CDT.


Flood Warning issued April 16 at 11:30AM CDT by NWS Quad Cities IA IL

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

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa...Illinois... Missouri... Mississippi River at Keithsburg affecting Mercer, Des Moines, Louisa and Henderson Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at Muscatine affecting Mercer, Rock Island, Louisa and Muscatine Counties. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Gregory Landing. * WHEN...From Sunday afternoon until further notice. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 11:00 AM CDT Thursday the stage was 14.0 feet. - Forecast...The river is expected to rise above flood stage early Sunday afternoon and continue rising to 15.6 feet early Tuesday afternoon. Additional rises are possible thereafter. - 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 Friday morning at 1130 AM CDT.


Flood Warning issued April 16 at 9:20PM CDT by NWS Quad Cities IA IL

Effective: Thu April 16, 2026, 9:20 PM
Expires: Fri April 17, 2026, 9:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Keithsburg affecting Mercer, Louisa, Henderson and Des Moines Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Muscatine affecting Mercer, Rock Island, Muscatine and Louisa Counties. ...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Burlington affecting Lee, Hancock, Henderson and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. Mississippi River at Gregory Landing affecting Clark and Hancock 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 9:00 PM CDT Thursday the stage was 15.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 15.4 feet. - Forecast...The river is expected to rise to 16.4 feet Tuesday evening. Additional rises are possible thereafter. - 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 Friday evening at 930 PM CDT.


Flood Warning issued April 16 at 9:20PM CDT by NWS Quad Cities IA IL

Effective: Thu April 16, 2026, 9:20 PM
Expires: Fri April 17, 2026, 9:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Keithsburg affecting Mercer, Louisa, Henderson and Des Moines Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Muscatine affecting Mercer, Rock Island, Muscatine and Louisa Counties. ...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Burlington affecting Lee, Hancock, Henderson and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Gregory Landing. * WHEN...From Sunday afternoon until further notice. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 14.0 feet. - Forecast...The river is expected to rise above flood stage early Sunday afternoon and continue rising to 15.7 feet Wednesday evening. Additional rises are possible thereafter. - 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 Friday evening at 930 PM CDT.


Flood Warning issued April 16 at 11:30AM CDT by NWS Quad Cities IA IL

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

...The Flood Warning continues for the following rivers in Iowa... Illinois... Mississippi River at Burlington affecting Lee, Hancock, 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 Gladstone LD18. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 11:00 AM CDT Thursday the stage was 10.4 feet and rising. - Forecast...The river is expected to rise to 11.6 feet Wednesday evening. Additional rises are possible thereafter. - 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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued Friday morning at 1130 AM CDT.


Friday, April 17, 2026

Weather Forecast

Patchy rain nearby
90.3°F
56.8°F
72.9°F
70%
0.06 in
79%
0%
30 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 6.02 μg/m3
PM10: 6.67 μg/m3
Carbon Monoxide: 161.69 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 75.64 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
56.1°F
38.5°F
46.3°F
64%
1.98 in
89%
0%
19.9 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 3.83 μg/m3
PM10: 4.13 μg/m3
Carbon Monoxide: 158.69 μg/m3
Nitrogen Dioxide: 2.84 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 79.8 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
59.7°F
33.3°F
46.7°F
57%
0 in
0%
0%
16.1 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 3.78 μg/m3
PM10: 4.29 μg/m3
Carbon Monoxide: 157.41 μg/m3
Nitrogen Dioxide: 4.12 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 75.08 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

Monday, April 20, 2026

Weather Forecast

Sunny
69.8°F
40.3°F
54°F
64%
0 in
0%
0%
19.7 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 4.53 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 171.32 μg/m3
Nitrogen Dioxide: 4.13 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 82.52 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:04 PM
Sunset: 7:50 PM
Daylight: 13 hrs 30 mins
Moonrise: 8:10 AM
Moon Transit: 4:14 PM
Moonset: 12:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
3:44 PM - 6:14 PM

Minor Periods

7:40 AM - 9:10 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Patchy rain nearby
66.1°F
54.5°F
59°F
69%
0.04 in
83%
0%
20.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 184.97 μg/m3
Nitrogen Dioxide: 5.01 μg/m3
Sulphur Dioxide: 2.77 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:04 PM
Sunset: 7:51 PM
Daylight: 13 hrs 32 mins
Moonrise: 9:11 AM
Moon Transit: 5:19 PM
Moonset: 12:24 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

4:06 AM - 6:36 AM
4:49 PM - 7:19 PM

Minor Periods

8:41 AM - 10:11 AM
12:00 AM - 12:00 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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