Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

61.3°F

Measurement Time: Saturday, May 2, 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

47.1°F
Partly cloudy
Partly cloudy
43.1°F
46.5°F
66%
SSW 8.3 mph
17.4 mph
43.3°F
28.1°F
0 in
75%
9 mi
1017 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 68°F
L: 44°F
Moderate rain
Mon
H: 75°F
L: 53°F
Moderate rain
Tue
H: 53°F
L: 46°F
Moderate rain
Wed
H: 58°F
L: 43°F
Patchy rain nearby
Thu
H: 59°F
L: 41°F

Air Quality

PM2.5: 6.85 μg/m3
PM10: 7.45 μg/m3
Carbon Monoxide: 149.85 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:02 PM
Sunset: 8:03 PM
Daylight: 14 hrs 1 mins
Moonrise: 10:33 PM
Moon Transit: 2:08 AM
Moonset: 6:41 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:38 AM - 4:08 AM
1:51 PM - 4:21 PM

Minor Periods

10:03 PM - 11:33 PM
6:11 AM - 7:41 AM

Action Rating: 4 out of 5

Flood Warning issued May 2 at 9:32AM CDT by NWS Lincoln IL

Effective: Sat May 2, 2026, 9:32 AM
Expires: Sun May 3, 2026, 1:45 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Schuyler, Cass, Morgan and Brown Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 8:45 AM CDT Saturday the stage was 18.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 AM CDT Saturday was 18.0 feet. - Forecast...The river is expected to fall to 16.4 feet Saturday, May 09. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov.
Sunday, May 3, 2026

Weather Forecast

Patchy rain nearby
68°F
43.7°F
55.9°F
61%
0.03 in
87%
0%
20.1 mph
5.3


Air Quality

AQI: 1 - Good
PM2.5: 6.7 μg/m3
PM10: 7.69 μg/m3
Carbon Monoxide: 155.49 μg/m3
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:02 PM
Sunset: 8:03 PM
Daylight: 14 hrs 1 mins
Moonrise: 10:33 PM
Moon Transit: 2:08 AM
Moonset: 6:41 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:38 AM - 4:08 AM
1:51 PM - 4:21 PM

Minor Periods

10:03 PM - 11:33 PM
6:11 AM - 7:41 AM

Action Rating: 4 out of 5

Monday, May 4, 2026

Weather Forecast

Moderate rain
75.4°F
53.2°F
63.6°F
78%
0.28 in
88%
0%
13 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 6.89 μg/m3
PM10: 8.15 μg/m3
Carbon Monoxide: 160.93 μg/m3
Nitrogen Dioxide: 7.5 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 71.52 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:02 PM
Sunset: 8:04 PM
Daylight: 14 hrs 3 mins
Moonrise: 11:29 PM
Moon Transit: 2:58 AM
Moonset: 7:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

2:28 AM - 4:58 AM
2:42 PM - 5:12 PM

Minor Periods

12:00 AM - 12:00 AM
6:51 AM - 8:21 AM

Action Rating: 2 out of 5

Tuesday, May 5, 2026

Weather Forecast

Moderate rain
52.6°F
46.4°F
51.4°F
87%
0.71 in
80%
0%
16.6 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 7.01 μg/m3
PM10: 7.98 μg/m3
Carbon Monoxide: 154.52 μg/m3
Nitrogen Dioxide: 6.89 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 68.84 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:02 PM
Sunset: 8:05 PM
Daylight: 14 hrs 6 mins
Moonrise: 12:29 AM
Moon Transit: 3:49 AM
Moonset: 8:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:19 AM - 5:49 AM
3:34 PM - 6:04 PM

Minor Periods

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

Action Rating: 3 out of 5

Wednesday, May 6, 2026

Weather Forecast

Moderate rain
57.7°F
42.6°F
48.3°F
75%
0.22 in
89%
0%
12.3 mph
2.9


Air Quality

AQI: 1 - Good
PM2.5: 2.58 μg/m3
PM10: 2.64 μg/m3
Carbon Monoxide: 149.16 μg/m3
Nitrogen Dioxide: 4.19 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 67.31 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:02 PM
Sunset: 8:06 PM
Daylight: 14 hrs 8 mins
Moonrise: 12:19 AM
Moon Transit: 4:41 AM
Moonset: 9:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:11 AM - 6:41 AM
4:24 PM - 6:54 PM

Minor Periods

8:35 AM - 10:05 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
59°F
40.7°F
48.3°F
81%
0.06 in
87%
0%
16.3 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: 5:57 AM
Sun Transit: 1:02 PM
Sunset: 8:07 PM
Daylight: 14 hrs 10 mins
Moonrise: 1:02 AM
Moon Transit: 5:31 AM
Moonset: 10:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
5:14 PM - 7:44 PM

Minor Periods

9:35 AM - 11:05 AM
12:32 AM - 2:02 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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