Water Temperature of the Mississippi River in Keokuk, IA

Current Water Temperature

48.4°F

Measurement Time: Wednesday, November 19, 2025, 7:30 AM CST

Temperature Locations

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Local Points of Interest

Hamilton, IL; Montebello State Park; Victory Park; Lock and Dam 19

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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

51.8°F
Cloudy
Conditions: Cloudy
Humidity: 97%
Heat Index: 51.8°F
Feels Like: 47.9°F
Wind: W 6.2 mph
Wind Gusts: 14 mph
Wind Chill: 47.9°F
Air Pressure: 1008.14 millibars
Dew Point: 47.9°F
Chance of Precipitation: 10%
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 4 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Fri
H: 55°F
L: 42°F
Overcast
Sat
H: 49°F
L: 42°F
Overcast
Sun
H: 49°F
L: 27°F
Sunny
Mon
H: 25°F
L: 17°F
Sunny
Tue
H: 37°F
L: 20°F

Air Quality

AQI: 1 - Good
PM2.5: 9.85 μg/m3
PM10: 9.95 μg/m3
Carbon Monoxide: 200.85 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 34 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:06 AM
Sunset: 4:46 PM
Daylight: 9 hrs 19 mins
Moonrise: 11:21 AM
Moon Transit: 12:00 AM
Moonset: 11:36 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:19 AM - 6:49 AM

Minor Periods

12:00 AM - 12:00 AM
10:51 AM - 12:21 AM

Action Rating: 2 out of 5

Dense Fog Advisory issued December 25 at 11:34PM CST until December 26 at 9:00AM CST by NWS Quad Cities IA IL

Effective: Thu December 25, 2025, 11:34 PM
Expires: Fri December 26, 2025, 7:45 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...Until 9 AM CST Friday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued December 25 at 11:50AM CST until December 26 at 9:00AM CST by NWS St Louis MO

Effective: Thu December 25, 2025, 11:50 AM
Expires: Fri December 26, 2025, 3:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Illinois, Adams IL, Brown IL, and Pike IL Counties. In Missouri, Knox MO, Lewis MO, Marion MO, Monroe MO, Pike MO, Ralls MO, and Shelby MO Counties. * WHEN...Until 9 AM CST Friday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued December 25 at 11:18PM CST until December 26 at 4:00AM CST by NWS Lincoln IL

Effective: Thu December 25, 2025, 11:18 PM
Expires: Fri December 26, 2025, 4:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...Until 4 AM CST Friday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Friday, December 26, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 50.1°F
Average Humidity: 93%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 11.48 μg/m3
PM10: 11.57 μg/m3
Carbon Monoxide: 222.85 μg/m3
Nitrogen Dioxide: 8.99 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 30.24 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:06 AM
Sunset: 4:46 PM
Daylight: 9 hrs 19 mins
Moonrise: 11:21 AM
Moon Transit: 12:00 AM
Moonset: 11:36 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:19 AM - 6:49 AM

Minor Periods

12:00 AM - 12:00 AM
10:51 AM - 12:21 AM

Action Rating: 2 out of 5

Saturday, December 27, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 45.2°F
Average Humidity: 96%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 13.66 μg/m3
PM10: 13.74 μg/m3
Carbon Monoxide: 234.41 μg/m3
Nitrogen Dioxide: 11.7 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 19.96 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:06 AM
Sunset: 4:46 PM
Daylight: 9 hrs 19 mins
Moonrise: 11:43 AM
Moon Transit: 3:23 AM
Moonset: 12:36 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
2:53 AM - 5:23 AM

Minor Periods

11:13 AM - 12:43 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, December 28, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 42.9°F
Average Humidity: 90%
Chance of Rain: 0%
Wind: 21.5 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 8.35 μg/m3
PM10: 8.43 μg/m3
Carbon Monoxide: 205.69 μg/m3
Nitrogen Dioxide: 9.03 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 33.92 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:07 AM
Sunset: 4:47 PM
Daylight: 9 hrs 19 mins
Moonrise: 12:07 AM
Moon Transit: 6:56 PM
Moonset: 12:46 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

5:50 AM - 8:20 AM
6:26 PM - 8:56 PM

Minor Periods

11:37 AM - 1:07 PM
12:16 AM - 1:46 AM

Action Rating: 2 out of 5

Monday, December 29, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 21.2°F
Average Humidity: 56%
Chance of Rain: 0%
Wind: 21.9 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 2.64 μg/m3
PM10: 2.72 μg/m3
Carbon Monoxide: 162.75 μg/m3
Nitrogen Dioxide: 3.18 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 60.16 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:07 AM
Sunset: 4:48 PM
Daylight: 9 hrs 20 mins
Moonrise: 12:35 AM
Moon Transit: 7:48 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

6:40 AM - 9:10 AM
7:18 PM - 9:48 PM

Minor Periods

12:05 AM - 1:35 PM
1:29 AM - 2:59 AM

Action Rating: 2 out of 5

Tuesday, December 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 24.3°F
Average Humidity: 53%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.47 μg/m3
PM10: 2.6 μg/m3
Carbon Monoxide: 175.14 μg/m3
Nitrogen Dioxide: 3.68 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 60.92 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:08 AM
Sunset: 4:49 PM
Daylight: 9 hrs 20 mins
Moonrise: 1:08 PM
Moon Transit: 8:45 PM
Moonset: 3:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
8:15 PM - 10:45 PM

Minor Periods

12:38 AM - 2:08 PM
2:46 AM - 4:16 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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