Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

49.6°F

Measurement Time: Wednesday, April 8, 2026, 10:45 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

75.7°F
Sunny
Sunny
75.1°F
78.5°F
31%
SSW 19.2 mph
24.5 mph
80.6°F
43.2°F
0 in
0%
9 mi
1015 mbar
2.8

Five Day Weather Forecast

Sunny
Wed
H: 82°F
L: 42°F
Patchy rain nearby
Thu
H: 73°F
L: 54°F
Heavy rain
Fri
H: 61°F
L: 48°F
Thundery outbreaks in nearby
Sat
H: 63°F
L: 42°F
Moderate rain
Sun
H: 71°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 3.85 μg/m3
PM10: 3.95 μg/m3
Carbon Monoxide: 164.85 μg/m3
Nitrogen Dioxide: 4.25 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:07 PM
Sunset: 7:37 PM
Daylight: 12 hrs 59 mins
Moonrise: 1:37 AM
Moon Transit: 5:56 AM
Moonset: 10:16 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
5:40 PM - 8:10 PM

Minor Periods

9:46 AM - 11:16 AM
1:07 AM - 2:37 AM

Action Rating: 2 out of 5

Flood Warning issued April 7 at 8:54PM CDT by NWS Lincoln IL

Effective: Tue April 7, 2026, 8:54 PM
Expires: Wed April 8, 2026, 1:00 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Mason and Fulton Counties. Illinois River at Beardstown affecting Brown, Morgan, Cass and Schuyler Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 14.4 feet, Seepage problems begin in the Coal Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 7:45 PM CDT Tuesday the stage was 14.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Tuesday was 14.7 feet. - Forecast...The river is expected to rise to a crest of 16.1 feet early Monday afternoon. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov.


Flood Warning issued April 8 at 11:00AM CDT by NWS Lincoln IL

Effective: Wed April 8, 2026, 11:00 AM
Expires: Thu April 9, 2026, 3:00 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Mason and Fulton Counties. Illinois River at Beardstown affecting Schuyler, Brown, Cass and Morgan Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 14.4 feet, Seepage problems begin in the Coal Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 10:45 AM CDT Wednesday the stage was 14.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM CDT Wednesday was 14.8 feet. - Forecast...The river is expected to rise to a crest of 15.1 feet Friday morning. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov.
Wednesday, April 8, 2026

Weather Forecast

Sunny
81.7°F
42.3°F
60.8°F
45%
0 in
0%
0%
21.3 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 7.34 μg/m3
PM10: 7.91 μg/m3
Carbon Monoxide: 175.21 μg/m3
Nitrogen Dioxide: 3.83 μg/m3
Sulphur Dioxide: 3.81 μg/m3
Ozone: 84.16 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:07 PM
Sunset: 7:37 PM
Daylight: 12 hrs 59 mins
Moonrise: 1:37 AM
Moon Transit: 5:56 AM
Moonset: 10:16 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
5:40 PM - 8:10 PM

Minor Periods

9:46 AM - 11:16 AM
1:07 AM - 2:37 AM

Action Rating: 2 out of 5

Thursday, April 9, 2026

Weather Forecast

Patchy rain nearby
72.9°F
54.1°F
62.2°F
65%
0.06 in
80%
0%
13.4 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 7.5 μg/m3
PM10: 8.22 μg/m3
Carbon Monoxide: 172.85 μg/m3
Nitrogen Dioxide: 3.96 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 82.72 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:07 PM
Sunset: 7:38 PM
Daylight: 13 hrs 2 mins
Moonrise: 2:25 AM
Moon Transit: 6:47 AM
Moonset: 11:14 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:17 AM - 8:47 AM
6:31 PM - 9:01 PM

Minor Periods

10:44 AM - 12:14 AM
1:55 AM - 3:25 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Heavy rain
60.9°F
48.4°F
54.6°F
80%
0.86 in
88%
0%
14.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.31 μg/m3
PM10: 6.71 μg/m3
Carbon Monoxide: 180.45 μg/m3
Nitrogen Dioxide: 3.94 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 81.8 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:06 PM
Sunset: 7:39 PM
Daylight: 13 hrs 4 mins
Moonrise: 3:05 AM
Moon Transit: 7:37 AM
Moonset: 12:17 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:07 AM - 9:37 AM
7:21 PM - 9:51 PM

Minor Periods

11:47 AM - 1:17 PM
2:35 AM - 4:05 AM

Action Rating: 3 out of 5

Saturday, April 11, 2026

Weather Forecast

Thundery outbreaks in nearby
63.1°F
41.5°F
52.4°F
82%
0 in
0%
0%
17.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 8.37 μg/m3
PM10: 8.84 μg/m3
Carbon Monoxide: 182.99 μg/m3
Nitrogen Dioxide: 5.63 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 76.52 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:06 PM
Sunset: 7:40 PM
Daylight: 13 hrs 7 mins
Moonrise: 3:38 AM
Moon Transit: 8:26 AM
Moonset: 1:22 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:56 AM - 10:26 AM
8:09 PM - 10:39 PM

Minor Periods

12:52 AM - 2:22 PM
3:08 AM - 4:38 AM

Action Rating: 3 out of 5

Sunday, April 12, 2026

Weather Forecast

Moderate rain
70.7°F
61.2°F
64.7°F
84%
0.43 in
89%
0%
22.4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 10.07 μg/m3
PM10: 10.44 μg/m3
Carbon Monoxide: 191.58 μg/m3
Nitrogen Dioxide: 5.47 μg/m3
Sulphur Dioxide: 2.7 μg/m3
Ozone: 81 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

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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