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

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

34.5°F
Sunny
Sunny
26.4°F
33.6°F
51%
ENE 11 mph
12.6 mph
24.9°F
19.7°F
0 in
0%
9 mi
1031 mbar
2.3

Five Day Weather Forecast

Sunny
Sun
H: 49°F
L: 22°F
Overcast
Mon
H: 44°F
L: 32°F
Moderate rain
Tue
H: 42°F
L: 37°F
Moderate rain
Wed
H: 61°F
L: 43°F
Partly Cloudy
Thu
H: 62°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 4.65 μg/m3
Carbon Monoxide: 171.85 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:17 AM
Sunset: 5:57 PM
Daylight: 11 hrs 18 mins
Moonrise: 4:11 PM
Moon Transit: 11:19 PM
Moonset: 5:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

10:13 AM - 12:43 AM
12:00 AM - 12:00 AM

Minor Periods

3:41 PM - 5:11 PM
5:18 AM - 6:48 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued March 1 at 1:34AM CST until March 2 at 6:00AM CST by NWS St Louis MO

Effective: Sun March 1, 2026, 1:34 AM
Expires: Sun March 1, 2026, 4:45 PM

* WHAT...Wet snow expected. Total snow accumulations up to one inch with a localized area of 2 to 4 inches possible. * WHERE...Portions of southwest and west central Illinois and central, east central, and northeast Missouri. * WHEN...From 6 PM this evening to 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Monday morning commute.

Slow down and use caution while traveling. In Illinois, the latest road conditions can be obtained at www.gettingaroundillinois.com. In Missouri, the latest road conditions can be obtained at traveler.modot.org/map or by calling 1-888-275-6636.
Sunday, March 1, 2026

Weather Forecast

Sunny
48.9°F
21.7°F
33.9°F
53%
0 in
0%
0%
13 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 7.45 μg/m3
PM10: 7.76 μg/m3
Carbon Monoxide: 182.81 μg/m3
Nitrogen Dioxide: 4.83 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 68.56 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:17 AM
Sunset: 5:57 PM
Daylight: 11 hrs 18 mins
Moonrise: 4:11 PM
Moon Transit: 11:19 PM
Moonset: 5:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

10:13 AM - 12:43 AM
12:00 AM - 12:00 AM

Minor Periods

3:41 PM - 5:11 PM
5:18 AM - 6:48 AM

Action Rating: 3 out of 5

Monday, March 2, 2026

Weather Forecast

Overcast
44.4°F
31.6°F
37.2°F
76%
0 in
0%
0%
12.1 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 6.52 μg/m3
PM10: 6.96 μg/m3
Carbon Monoxide: 186.53 μg/m3
Nitrogen Dioxide: 5.57 μg/m3
Sulphur Dioxide: 4.26 μg/m3
Ozone: 69.44 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:17 AM
Sunset: 5:58 PM
Daylight: 11 hrs 21 mins
Moonrise: 5:22 PM
Moon Transit: 12:00 AM
Moonset: 6:15 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:02 AM - 1:32 PM

Minor Periods

4:52 PM - 6:22 PM
5:45 AM - 7:15 AM

Action Rating: 4 out of 5

Tuesday, March 3, 2026

Weather Forecast

Moderate rain
41.5°F
37.4°F
39.6°F
90%
0.33 in
87%
0%
9.6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 12.13 μg/m3
PM10: 12.39 μg/m3
Carbon Monoxide: 213.65 μg/m3
Nitrogen Dioxide: 8.03 μg/m3
Sulphur Dioxide: 4.31 μg/m3
Ozone: 49.96 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:17 AM
Sunset: 5:59 PM
Daylight: 11 hrs 23 mins
Moonrise: 6:31 PM
Moon Transit: 12:06 AM
Moonset: 6:39 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:47 AM - 2:17 PM

Minor Periods

6:01 PM - 7:31 PM
6:09 AM - 7:39 AM

Action Rating: 5 out of 5

Wednesday, March 4, 2026

Weather Forecast

Moderate rain
60.6°F
42.8°F
49.7°F
90%
0.29 in
88%
0%
15.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.87 μg/m3
PM10: 8.92 μg/m3
Carbon Monoxide: 226.24 μg/m3
Nitrogen Dioxide: 9.33 μg/m3
Sulphur Dioxide: 5.26 μg/m3
Ozone: 40.36 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:17 AM
Sunset: 6:01 PM
Daylight: 11 hrs 26 mins
Moonrise: 7:36 PM
Moon Transit: 12:51 AM
Moonset: 7:01 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
12:31 AM - 3:01 PM

Minor Periods

7:06 PM - 8:36 PM
6:31 AM - 8:01 AM

Action Rating: 4 out of 5

Thursday, March 5, 2026

Weather Forecast

Partly Cloudy
61.5°F
42.2°F
51.6°F
77%
0 in
0%
0%
11.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.04 μg/m3
PM10: 7.04 μg/m3
Carbon Monoxide: 280.03 μg/m3
Nitrogen Dioxide: 13.13 μg/m3
Sulphur Dioxide: 4.22 μg/m3
Ozone: 24.46 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:16 AM
Sunset: 6:02 PM
Daylight: 11 hrs 29 mins
Moonrise: 8:41 PM
Moon Transit: 1:34 AM
Moonset: 7:21 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:04 AM - 3:34 AM
1:14 PM - 3:44 PM

Minor Periods

8:11 PM - 9:41 PM
6:51 AM - 8:21 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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