Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

64.8°F

Measurement Time: Saturday, April 25, 2026, 6:45 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

59.4°F
Partly cloudy
Partly cloudy
59.4°F
57.7°F
63%
E 11.6 mph
20.6 mph
55.4°F
42.6°F
0 in
75%
9 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 73°F
L: 50°F
Moderate rain
Mon
H: 80°F
L: 53°F
Patchy rain nearby
Tue
H: 65°F
L: 48°F
Sunny
Wed
H: 61°F
L: 43°F
Partly Cloudy
Thu
H: 64°F
L: 45°F

Air Quality

PM2.5: 8.55 μg/m3
PM10: 9.05 μg/m3
Carbon Monoxide: 175.85 μg/m3
Nitrogen Dioxide: 8.45 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 70 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

Flood Warning issued April 25 at 9:22AM CDT until April 30 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Sat April 25, 2026, 9:22 AM
Expires: Sun April 26, 2026, 9:30 AM

...The Flood Warning continues 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, Louisa, Mercer and Rock Island Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Burlington affecting Lee, Henderson, Des Moines and Hancock Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Gregory Landing affecting Clark and Hancock Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Gregory Landing. * WHEN...Until early Thursday afternoon. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 16.1 feet and steady. - The river is cresting now. - Forecast...The river is expected to hold around 16.1 feet this afternoon. It will then fall below flood stage Wednesday evening. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 morning at 930 AM CDT.


Flood Warning issued April 25 at 9:22AM CDT until May 2 at 1:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 25, 2026, 9:22 AM
Expires: Sun April 26, 2026, 9:30 AM

...The Flood Warning continues 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, Louisa, Mercer and Rock Island Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Burlington affecting Lee, Henderson, Des Moines and Hancock Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Gregory Landing affecting Clark and Hancock Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Mississippi River at Burlington. * WHEN...Until Saturday, May 02. * IMPACTS...At 17.5 feet, Water affects Riverview Drive in Riverview Park in Fort Madison. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 17.5 feet and slowly falling. - Forecast...The river is expected to fall below flood stage Friday morning. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 morning at 930 AM CDT.


Flood Warning issued April 25 at 10:18AM CDT until April 30 at 7:00AM CDT by NWS St Louis MO

Effective: Sat April 25, 2026, 10:18 AM
Expires: Sun April 26, 2026, 10:30 PM

...The Flood Warning is extended for the following river in Missouri and Illinois... Mississippi River at Grafton. ...The Flood Warning continues for the following river in Missouri and Illinois... Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Canton. Mississippi River at Saverton. 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 Thursday morning. * ADDITIONAL DETAILS... - At 6:00 AM CDT Saturday the stage was 15.7 feet. - Forecast...The river is expected to slowly fall to near 15.5 feet Monday 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


Flood Warning issued April 25 at 9:22AM CDT until May 1 at 4:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 25, 2026, 9:22 AM
Expires: Sun April 26, 2026, 9:30 AM

...The Flood Warning continues 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, Louisa, Mercer and Rock Island Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Burlington affecting Lee, Henderson, Des Moines and Hancock Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Gregory Landing affecting Clark and Hancock Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Mississippi River at Keithsburg. * WHEN...Until early Friday morning. * IMPACTS...At 16.0 feet, Water is over the campground and boat ramp in Keithsburg. * ADDITIONAL DETAILS... - At 8:30 AM CDT Saturday the stage was 16.0 feet and falling. - Forecast...The river is expected to fall below flood stage late Thursday morning. - Flood stage is 14.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 morning at 930 AM CDT.


Flood Warning issued April 25 at 9:22AM CDT until May 2 at 4:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 25, 2026, 9:22 AM
Expires: Sun April 26, 2026, 9:30 AM

...The Flood Warning continues 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, Louisa, Mercer and Rock Island Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Henderson, Des Moines, Louisa and Mercer Counties. Mississippi River at Burlington affecting Lee, Henderson, Des Moines and Hancock Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Gregory Landing affecting Clark and Hancock Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Mississippi River at Gladstone LD18. * WHEN...Until Saturday, May 02. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 12.9 feet and slowly falling. - Forecast...The river is expected to fall below flood stage late Friday morning. - Flood stage is 10.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 morning at 930 AM CDT.


Sunday, April 26, 2026

Weather Forecast

Sunny
72.9°F
49.6°F
62.4°F
66%
0 in
0%
0%
16.8 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 6.41 μg/m3
PM10: 6.91 μg/m3
Carbon Monoxide: 181.81 μg/m3
Nitrogen Dioxide: 5.22 μg/m3
Sulphur Dioxide: 2.97 μg/m3
Ozone: 90.8 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
79.6°F
52.7°F
67°F
78%
0.48 in
87%
0%
25.9 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 6.74 μg/m3
PM10: 7.16 μg/m3
Carbon Monoxide: 181.13 μg/m3
Nitrogen Dioxide: 3.77 μg/m3
Sulphur Dioxide: 3.93 μg/m3
Ozone: 99.6 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

Tuesday, April 28, 2026

Weather Forecast

Patchy rain nearby
65°F
47.7°F
55°F
69%
0.02 in
71%
0%
20.1 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 2.71 μg/m3
PM10: 2.86 μg/m3
Carbon Monoxide: 165.93 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 80.56 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:02 PM
Sunset: 7:58 PM
Daylight: 13 hrs 49 mins
Moonrise: 5:17 PM
Moon Transit: 11:09 PM
Moonset: 4:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

10:07 AM - 12:37 AM
12:00 AM - 12:00 AM

Minor Periods

4:47 PM - 6:17 PM
4:01 AM - 5:31 AM

Action Rating: 2 out of 5

Wednesday, April 29, 2026

Weather Forecast

Sunny
61.2°F
42.7°F
52.3°F
63%
0 in
0%
0%
12.1 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 3.22 μg/m3
PM10: 3.27 μg/m3
Carbon Monoxide: 190.12 μg/m3
Nitrogen Dioxide: 7.7 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 65.54 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:02 PM
Sunset: 7:59 PM
Daylight: 13 hrs 52 mins
Moonrise: 6:21 PM
Moon Transit: 11:51 PM
Moonset: 4:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

10:48 AM - 1:18 PM
12:00 AM - 12:00 AM

Minor Periods

5:51 PM - 7:21 PM
4:21 AM - 5:51 AM

Action Rating: 3 out of 5

Thursday, April 30, 2026

Weather Forecast

Partly Cloudy
63.7°F
44.6°F
52.5°F
63%
0 in
0%
0%
6 mph
0.2


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:02 PM
Sunset: 8:00 PM
Daylight: 13 hrs 54 mins
Moonrise: 7:24 PM
Moon Transit: 12:00 AM
Moonset: 5:13 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:31 AM - 2:01 PM

Minor Periods

6:54 PM - 8:24 PM
4:43 AM - 6:13 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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