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

17.5°F
Clear
Conditions: Clear
Humidity: 69%
Heat Index: 17.5°F
Feels Like: 5°F
Wind: NW 7.5 mph
Wind Gusts: 18 mph
Wind Chill: 5°F
Air Pressure: 1030.88 millibars
Dew Point: 5°F
Chance of Precipitation: 0%
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 10 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Mon
H: 20°F
L: 11°F
Partly Cloudy
Tue
H: 35°F
L: 11°F
Overcast
Wed
H: 35°F
L: 28°F
Partly Cloudy
Thu
H: 32°F
L: 26°F
Sunny
Fri
H: 35°F
L: 25°F

Air Quality

AQI: 1 - Good
PM2.5: 2.55 μg/m3
PM10: 2.75 μg/m3
Carbon Monoxide: 157.85 μg/m3
Nitrogen Dioxide: 3.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 70 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

Wind Advisory issued December 29 at 2:57AM CST until December 29 at 3:00PM CST by NWS Lincoln IL

Effective: Mon December 29, 2025, 2:57 AM
Expires: Mon December 29, 2025, 3:00 PM

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Monday, December 29, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 14.9°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 24.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 4.05 μg/m3
PM10: 4.33 μg/m3
Carbon Monoxide: 191.49 μg/m3
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 64.6 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: Partly Cloudy
Average Temperature: 23.1°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 3.3 μg/m3
PM10: 3.53 μg/m3
Carbon Monoxide: 162.57 μg/m3
Nitrogen Dioxide: 4.61 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 63.48 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

Wednesday, December 31, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 31.4°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 4.73 μg/m3
PM10: 4.9 μg/m3
Carbon Monoxide: 166.09 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 57.36 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:08 AM
Sunset: 4:49 PM
Daylight: 9 hrs 21 mins
Moonrise: 1:51 PM
Moon Transit: 9:48 PM
Moonset: 4:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
9:18 PM - 11:48 PM

Minor Periods

1:21 PM - 2:51 PM
4:06 AM - 5:36 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 29.4°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.58 μg/m3
PM10: 4.63 μg/m3
Carbon Monoxide: 175.24 μg/m3
Nitrogen Dioxide: 5.33 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 59.8 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:09 AM
Sunset: 4:50 PM
Daylight: 9 hrs 22 mins
Moonrise: 2:46 PM
Moon Transit: 10:54 PM
Moonset: 5:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

9:39 AM - 12:09 AM
12:00 AM - 12:00 AM

Minor Periods

2:16 PM - 3:46 PM
5:24 AM - 6:54 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 28.7°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 8.29 μg/m3
PM10: 8.54 μg/m3
Carbon Monoxide: 243.91 μg/m3
Nitrogen Dioxide: 12.87 μg/m3
Sulphur Dioxide: 2.27 μg/m3
Ozone: 39.69 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:09 AM
Sunset: 4:51 PM
Daylight: 9 hrs 23 mins
Moonrise: 3:53 PM
Moon Transit: 12:00 AM
Moonset: 7:04 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:46 AM - 1:16 PM

Minor Periods

3:23 PM - 4:53 PM
6:34 AM - 8:04 AM

Action Rating: 4 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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