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 / 154 meters

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 (34.0 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 (77.0 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

19.6°F
Light snow
Conditions: Light snow
Humidity: 73%
Feels Like: 5.2°F
Wind: WNW 16.1 mph
Wind Gusts: 26.6 mph
Pressure: 30.23 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Sun
H: 26°F
L: 9°F
Moderate or heavy snow showers
Mon
H: 27°F
L: 15°F
Moderate or heavy snow showers
Tue
H: 32°F
L: 15°F
Patchy moderate snow
Wed
H: 33°F
L: 16°F
Partly Cloudy
Thu
H: 21°F
L: -2°F

Air Quality

AQI: 1 - Good
PM2.5: 3.35 μg/m3
PM10: 3.35 μg/m3
Carbon Monoxide: 154.85 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 11:54 AM
Sunset: 4:40 PM
Daylight: 9 hrs 32 mins
Moonrise: 1:41 PM
Moon Transit: 8:15 PM
Moonset: 1:49 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:45 PM - 10:15 PM

Minor Periods

1:11 PM - 2:41 PM
1:19 AM - 2:49 AM

Action Rating: 2 out of 5

Winter Storm Warning issued November 29 at 2:52PM CST until November 30 at 6:00AM CST by NWS Lincoln IL

Effective: Sat November 29, 2025, 2:52 PM
Expires: Sun November 30, 2025, 4:00 AM

* WHAT...Heavy snow. Additional snow accumulations between 1 and 3 inches. Winds gusting as high as 35 mph. * WHERE...Portions of central and west central Illinois. * WHEN...Until 6 AM CST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Whiteout conditions are expected and will make travel treacherous and potentially life-threatening. Plan on slippery road conditions.

Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary. Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.
Sunday, November 30, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 21.2°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 22.4 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 3.07 μg/m3
PM10: 3.09 μg/m3
Carbon Monoxide: 172.01 μg/m3
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 71.2 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 11:54 AM
Sunset: 4:40 PM
Daylight: 9 hrs 32 mins
Moonrise: 1:41 PM
Moon Transit: 8:15 PM
Moonset: 1:49 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:45 PM - 10:15 PM

Minor Periods

1:11 PM - 2:41 PM
1:19 AM - 2:49 AM

Action Rating: 2 out of 5

Monday, December 1, 2025

Weather Forecast

Conditions: Moderate or heavy snow showers
Average Temperature: 22.1°F
Average Humidity: 91%
Chance of Rain: 83%
Wind: 5.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 6.89 μg/m3
PM10: 7.41 μg/m3
Carbon Monoxide: 172.69 μg/m3
Nitrogen Dioxide: 8.35 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 70.28 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 11:54 AM
Sunset: 4:40 PM
Daylight: 9 hrs 30 mins
Moonrise: 2:07 PM
Moon Transit: 9:06 PM
Moonset: 3:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

7:59 AM - 10:29 AM
8:36 PM - 11:06 PM

Minor Periods

1:37 PM - 3:07 PM
2:33 AM - 4:03 AM

Action Rating: 2 out of 5

Tuesday, December 2, 2025

Weather Forecast

Conditions: Moderate or heavy snow showers
Average Temperature: 23.2°F
Average Humidity: 91%
Chance of Rain: 71%
Wind: 7.6 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 5.57 μg/m3
PM10: 5.67 μg/m3
Carbon Monoxide: 174.97 μg/m3
Nitrogen Dioxide: 8.03 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 63.48 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 11:55 AM
Sunset: 4:40 PM
Daylight: 9 hrs 29 mins
Moonrise: 2:39 PM
Moon Transit: 10:03 PM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
12:00 AM - 12:00 AM

Minor Periods

2:09 PM - 3:39 PM
3:51 AM - 5:21 AM

Action Rating: 2 out of 5

Wednesday, December 3, 2025

Weather Forecast

Conditions: Patchy moderate snow
Average Temperature: 25°F
Average Humidity: 95%
Chance of Rain: 82%
Wind: 12.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 8.29 μg/m3
PM10: 8.56 μg/m3
Carbon Monoxide: 191.41 μg/m3
Nitrogen Dioxide: 6.63 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 64.24 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 11:55 AM
Sunset: 4:39 PM
Daylight: 9 hrs 28 mins
Moonrise: 3:17 PM
Moon Transit: 11:05 PM
Moonset: 5:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

9:52 AM - 12:22 AM
12:00 AM - 12:00 AM

Minor Periods

2:47 PM - 4:17 PM
5:12 AM - 6:42 AM

Action Rating: 4 out of 5

Thursday, December 4, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 14.8°F
Average Humidity: 94%
Chance of Rain: 0%
Wind: 13.6 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 4.07 μg/m3
PM10: 4.31 μg/m3
Carbon Monoxide: 187.22 μg/m3
Nitrogen Dioxide: 4.68 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 70.08 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 11:55 AM
Sunset: 4:39 PM
Daylight: 9 hrs 27 mins
Moonrise: 4:07 PM
Moon Transit: 12:00 AM
Moonset: 7:05 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:56 AM - 1:26 PM

Minor Periods

3:37 PM - 5:07 PM
6:35 AM - 8:05 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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