Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

53.1°F

Measurement Time: Sunday, April 12, 2026, 11:45 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

66.6°F
Overcast
Overcast
66.6°F
73°F
73%
SSW 19.5 mph
29 mph
71.6°F
57.1°F
0 in
100%
9 mi
1010 mbar
0.2

Five Day Weather Forecast

Moderate rain
Sun
H: 78°F
L: 60°F
Thundery outbreaks in nearby
Mon
H: 73°F
L: 63°F
Overcast
Tue
H: 79°F
L: 69°F
Heavy rain
Wed
H: 76°F
L: 66°F
Sunny
Thu
H: 78°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 3.35 μg/m3
PM10: 3.55 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:06 PM
Sunset: 7:41 PM
Daylight: 13 hrs 10 mins
Moonrise: 4:07 AM
Moon Transit: 9:13 AM
Moonset: 2:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:43 AM - 11:13 AM
8:55 PM - 11:25 PM

Minor Periods

1:59 PM - 3:29 PM
3:37 AM - 5:07 AM

Action Rating: 2 out of 5

Flood Warning issued April 11 at 9:34PM CDT until April 17 at 7:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 11, 2026, 9:34 PM
Expires: Sun April 12, 2026, 9:45 PM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. Mississippi River at Burlington affecting Lee, Henderson, Des Moines and Hancock Counties. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Burlington. * WHEN...From late Sunday night to Friday morning. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 14.8 feet. - Forecast...The river is expected to rise above flood stage early Monday morning to a crest of 15.1 feet early Wednesday morning. It will then fall below flood stage early Thursday afternoon. - 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. The next statement will be issued by Sunday evening at 945 PM CDT.


Flood Warning issued April 12 at 12:16PM CDT until April 17 at 7:00AM CDT by NWS Quad Cities IA IL

Effective: Sun April 12, 2026, 12:16 PM
Expires: Mon April 13, 2026, 12:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Burlington affecting Henderson, Lee, Hancock and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Burlington. * WHEN...From this morning to Friday morning. * IMPACTS...At 15.0 feet, Agricultural flooding occurs. * ADDITIONAL DETAILS... - At 11:00 AM CDT Sunday the stage was 15.0 feet and slowly rising. - Forecast...The river is expected to rise to a crest of 15.2 feet tomorrow evening and then slowly fall. - 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 Monday afternoon at 1230 PM CDT.


Flood Warning issued April 11 at 9:34PM CDT until April 17 at 7:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 11, 2026, 9:34 PM
Expires: Sun April 12, 2026, 9:45 PM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. Mississippi River at Burlington affecting Lee, Henderson, Des Moines and Hancock Counties. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Gladstone LD18. * WHEN...From Sunday evening to Friday morning. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 9.9 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 10.1 feet early Monday afternoon. It will then fall below flood stage early Thursday afternoon. - 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. The next statement will be issued by Sunday evening at 945 PM CDT.


Flood Warning issued April 12 at 12:16PM CDT until April 17 at 7:00AM CDT by NWS Quad Cities IA IL

Effective: Sun April 12, 2026, 12:16 PM
Expires: Mon April 13, 2026, 12:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Burlington affecting Henderson, Lee, Hancock and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Gladstone LD18. * WHEN...From this morning to Friday morning. * ADDITIONAL DETAILS... - At 11:30 AM CDT Sunday the stage was 10.1 feet and slowly rising. - Forecast...The river is expected to rise to a crest of 10.2 feet tomorrow morning and then slowly fall. - 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 Monday afternoon at 1230 PM CDT.


Special Weather Statement issued April 12 at 1:25PM CDT by NWS Quad Cities IA IL

Effective: Sun April 12, 2026, 1:25 PM
Expires: Sun April 12, 2026, 8:00 PM

Strong south-southwesterly winds will continue this afternoon through the early evening hours, with occasional gusts as high as 45 mph. There are also some developing showers and a few isolated thunderstorms this afternoon that could help generate stronger wind gusts up to 50 mph. If traveling on east-to-west oriented roads, be prepared for gusty crosswinds, especially in high profile vehicles. Secure all loose objects. Winds will begin to diminish by mid-evening.


Sunday, April 12, 2026

Weather Forecast

Moderate rain
78.1°F
59.9°F
66.7°F
72%
0.2 in
87%
0%
19.7 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 7.13 μg/m3
PM10: 7.47 μg/m3
Carbon Monoxide: 169.73 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 2.47 μg/m3
Ozone: 87.48 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:06 PM
Sunset: 7:41 PM
Daylight: 13 hrs 10 mins
Moonrise: 4:07 AM
Moon Transit: 9:13 AM
Moonset: 2:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:43 AM - 11:13 AM
8:55 PM - 11:25 PM

Minor Periods

1:59 PM - 3:29 PM
3:37 AM - 5:07 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Thundery outbreaks in nearby
72.5°F
63°F
68.2°F
91%
0 in
0%
0%
19.9 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 3.67 μg/m3
PM10: 3.86 μg/m3
Carbon Monoxide: 145.21 μg/m3
Nitrogen Dioxide: 3.12 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 76.16 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:05 PM
Sunset: 7:42 PM
Daylight: 13 hrs 12 mins
Moonrise: 4:32 AM
Moon Transit: 10:00 AM
Moonset: 3:37 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:30 AM - 12:00 AM

Minor Periods

3:07 PM - 4:37 PM
4:02 AM - 5:32 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Overcast
79.3°F
68.7°F
73.3°F
82%
0 in
0%
0%
20.8 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 4.76 μg/m3
Carbon Monoxide: 145.93 μg/m3
Nitrogen Dioxide: 3.11 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 76.44 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:05 PM
Sunset: 7:43 PM
Daylight: 13 hrs 15 mins
Moonrise: 4:56 AM
Moon Transit: 10:45 AM
Moonset: 4:47 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:15 AM - 12:45 AM

Minor Periods

4:17 PM - 5:47 PM
4:26 AM - 5:56 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Heavy rain
76.1°F
66.4°F
70.9°F
80%
1.66 in
88%
0%
24.6 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 4.97 μg/m3
PM10: 5.52 μg/m3
Carbon Monoxide: 143.16 μg/m3
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 71.56 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

Sunny
77.5°F
55.5°F
66°F
69%
0 in
0%
0%
14.5 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 2.9 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 150.43 μg/m3
Nitrogen Dioxide: 3.77 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 60.92 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

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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