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

54°F
Clear
Clear
48.6°F
55.3°F
82%
S 21 mph
33.4 mph
51.8°F
48.1°F
0 in
25%
9 mi
998 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 72°F
L: 45°F
Partly Cloudy
Wed
H: 70°F
L: 47°F
Mist
Thu
H: 61°F
L: 40°F
Overcast
Fri
H: 44°F
L: 29°F
Partly Cloudy
Sat
H: 37°F
L: 25°F

Air Quality

AQI: 1 - Good
PM2.5: 8.45 μg/m3
PM10: 8.65 μg/m3
Carbon Monoxide: 171.85 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:19 AM
Sunset: 5:43 PM
Daylight: 10 hrs 47 mins
Moonrise: 7:07 AM
Moon Transit: 12:32 AM
Moonset: 6:09 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:02 AM - 2:32 PM

Minor Periods

5:39 PM - 7:09 PM
6:37 AM - 8:07 AM

Action Rating: 5 out of 5

Special Weather Statement issued February 17 at 5:42AM CST by NWS Quad Cities IA IL

Effective: Tue February 17, 2026, 5:42 AM
Expires: Tue February 17, 2026, 7:00 PM

Warm temperatures combined with dead fuels and southeast winds gusting 25 to 35 mph will produce elevated fire danger conditions. Any fire that develops will spread quickly. Avoid outdoor burning today and follow local official guidance on potential burn bans.


Fire Weather Watch issued February 17 at 2:31PM CST until February 18 at 8:00PM CST by NWS Quad Cities IA IL

Effective: Tue February 17, 2026, 2:31 PM
Expires: Tue February 17, 2026, 10:45 PM

...Critical Fire Weather Conditions Possible Wednesday... The National Weather Service in Quad Cities has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Wednesday morning through Wednesday evening. * AFFECTED AREA...Portions of eastern Iowa and northwest Illinois. * TIMING...From Wednesday morning through Wednesday evening. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Tuesday, February 17, 2026

Weather Forecast

Sunny
71.8°F
45.3°F
56.4°F
58%
0 in
0%
0%
21.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 8.16 μg/m3
PM10: 8.25 μg/m3
Carbon Monoxide: 217.81 μg/m3
Nitrogen Dioxide: 4.97 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 69.04 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:19 AM
Sunset: 5:43 PM
Daylight: 10 hrs 47 mins
Moonrise: 7:07 AM
Moon Transit: 12:32 AM
Moonset: 6:09 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:02 AM - 2:32 PM

Minor Periods

5:39 PM - 7:09 PM
6:37 AM - 8:07 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Partly Cloudy
70.2°F
47.3°F
57.9°F
47%
0 in
0%
0%
20.8 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 5.8 μg/m3
PM10: 6.06 μg/m3
Carbon Monoxide: 177.29 μg/m3
Nitrogen Dioxide: 3.23 μg/m3
Sulphur Dioxide: 2.2 μg/m3
Ozone: 85.04 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:19 AM
Sunset: 5:44 PM
Daylight: 10 hrs 49 mins
Moonrise: 7:30 AM
Moon Transit: 1:18 PM
Moonset: 7:18 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:14 AM - 2:44 AM
12:48 AM - 3:18 PM

Minor Periods

6:48 PM - 8:18 PM
7:00 AM - 8:30 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Mist
61°F
40.3°F
50.7°F
80%
0 in
0%
0%
22.6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 5.97 μg/m3
PM10: 6.65 μg/m3
Carbon Monoxide: 185.69 μg/m3
Nitrogen Dioxide: 7.84 μg/m3
Sulphur Dioxide: 2.71 μg/m3
Ozone: 64.36 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:19 AM
Sunset: 5:46 PM
Daylight: 10 hrs 52 mins
Moonrise: 7:53 AM
Moon Transit: 3:07 PM
Moonset: 8:28 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

2:37 PM - 5:07 PM
2:37 PM - 5:07 PM

Minor Periods

7:58 PM - 9:28 PM
7:23 AM - 8:53 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Overcast
43.7°F
28.6°F
36.2°F
70%
0 in
0%
0%
20.8 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 182.13 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 55.16 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:19 AM
Sunset: 5:47 PM
Daylight: 10 hrs 55 mins
Moonrise: 8:16 AM
Moon Transit: 12:00 AM
Moonset: 9:39 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:46 AM - 4:16 AM

Minor Periods

9:09 PM - 10:39 PM
7:46 AM - 9:16 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Partly Cloudy
36.8°F
24.5°F
29.2°F
52%
0 in
0%
0%
15.9 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 5.03 μg/m3
PM10: 5.06 μg/m3
Carbon Monoxide: 217.39 μg/m3
Nitrogen Dioxide: 5.71 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 44.38 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:19 AM
Sunset: 5:48 PM
Daylight: 10 hrs 57 mins
Moonrise: 8:41 AM
Moon Transit: 3:39 PM
Moonset: 10:53 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

2:33 AM - 5:03 AM
3:09 PM - 5:39 PM

Minor Periods

10:23 PM - 11:53 PM
8:11 AM - 9:41 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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