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

41°F
Partly cloudy
Partly cloudy
38.2°F
46°F
38%
WNW 4.3 mph
8.9 mph
45°F
19.8°F
0 in
50%
9 mi
1013 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 64°F
L: 27°F
Sunny
Fri
H: 75°F
L: 34°F
Partly Cloudy
Sat
H: 49°F
L: 28°F
Overcast
Sun
H: 35°F
L: 22°F
Partly Cloudy
Mon
H: 38°F
L: 23°F

Air Quality

AQI: 1 - Good
PM2.5: 7.85 μg/m3
PM10: 8.55 μg/m3
Carbon Monoxide: 179.85 μg/m3
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:18 AM
Sunset: 5:54 PM
Daylight: 11 hrs 10 mins
Moonrise: 12:28 AM
Moon Transit: 8:34 PM
Moonset: 3:40 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

7:21 AM - 9:51 AM
8:04 PM - 10:34 PM

Minor Periods

11:58 AM - 1:28 PM
3:10 AM - 4:40 AM

Action Rating: 2 out of 5

Fire Weather Watch issued February 26 at 1:46PM CST until February 27 at 6:00PM CST by NWS Quad Cities IA IL

Effective: Thu February 26, 2026, 1:46 PM
Expires: Thu February 26, 2026, 9:30 PM

The National Weather Service in Quad Cities has issued a Fire Weather Watch for strong winds, low relative humidity, and plentiful dry vegetation. * AFFECTED AREA...Portions of southeastern Iowa, northeast Missouri, and west-central Illinois. * TIMING...Friday afternoon. * WINDS...West to southwest at 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 25 percent. * IMPACTS...Any fires that develop 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.


Fire Weather Watch issued February 26 at 2:05PM CST until February 27 at 6:00PM CST by NWS St Louis MO

Effective: Thu February 26, 2026, 2:05 PM
Expires: Thu February 26, 2026, 10:15 PM

The National Weather Service in St Louis MO has issued a Fire Weather Watch. * AFFECTED AREA...Portions of west central Illinois and central and northeast Missouri. * TIMING...Friday afternoon. * WINDS...Southwest winds 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...Relative Humidity between 22 to 24 percent. * TEMPERATURES...In the upper 60s. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

Please advise the appropriate officials or fire crews in the field of this Fire Weather Watch.


Fire Weather Watch issued February 26 at 1:51PM CST until February 27 at 6:00PM CST by NWS Lincoln IL

Effective: Thu February 26, 2026, 1:51 PM
Expires: Fri February 27, 2026, 4:00 AM

The National Weather Service in Lincoln has issued a Fire Weather Watch for wind and low relative humidity, which is in effect Friday afternoon. * AFFECTED AREA...Knox, Stark, Peoria, Marshall, Woodford, Fulton, Tazewell, Schuyler, Mason, Cass, Menard, Scott and Morgan. * TIMING...Friday afternoon. * 20 FOOT WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 20 percent. * 10 HOUR FUELS...Less than 9 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.
Thursday, February 26, 2026

Weather Forecast

Patchy rain nearby
64.2°F
27.1°F
43.2°F
50%
0 in
66%
0%
9.6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 9.98 μg/m3
PM10: 10.95 μg/m3
Carbon Monoxide: 213.13 μg/m3
Nitrogen Dioxide: 5.64 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 67.2 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:18 AM
Sunset: 5:54 PM
Daylight: 11 hrs 10 mins
Moonrise: 12:28 AM
Moon Transit: 8:34 PM
Moonset: 3:40 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

7:21 AM - 9:51 AM
8:04 PM - 10:34 PM

Minor Periods

11:58 AM - 1:28 PM
3:10 AM - 4:40 AM

Action Rating: 2 out of 5

Friday, February 27, 2026

Weather Forecast

Sunny
74.5°F
34.2°F
51.3°F
47%
0 in
0%
0%
20.1 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 6.95 μg/m3
PM10: 7.66 μg/m3
Carbon Monoxide: 183.69 μg/m3
Nitrogen Dioxide: 5.72 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 62.96 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:18 AM
Sunset: 5:55 PM
Daylight: 11 hrs 13 mins
Moonrise: 1:41 PM
Moon Transit: 9:33 PM
Moonset: 4:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

8:22 AM - 10:52 AM
9:03 PM - 11:33 PM

Minor Periods

1:11 PM - 2:41 PM
4:03 AM - 5:33 AM

Action Rating: 2 out of 5

Saturday, February 28, 2026

Weather Forecast

Partly Cloudy
49.3°F
28.1°F
39.4°F
61%
0 in
0%
0%
16.1 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 4.95 μg/m3
Carbon Monoxide: 167.97 μg/m3
Nitrogen Dioxide: 4.54 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 73.12 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:17 AM
Sunset: 5:56 PM
Daylight: 11 hrs 15 mins
Moonrise: 2:57 PM
Moon Transit: 10:28 PM
Moonset: 5:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

9:20 AM - 11:50 AM
12:00 AM - 12:00 AM

Minor Periods

2:27 PM - 3:57 PM
4:44 AM - 6:14 AM

Action Rating: 3 out of 5

Sunday, March 1, 2026

Weather Forecast

Overcast
34.9°F
21.6°F
28.4°F
49%
0 in
0%
0%
14.5 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.73 μg/m3
PM10: 4.97 μg/m3
Carbon Monoxide: 184.48 μg/m3
Nitrogen Dioxide: 5.02 μg/m3
Sulphur Dioxide: 2.82 μg/m3
Ozone: 70.96 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

Partly Cloudy
38.2°F
23.3°F
30.5°F
78%
0 in
0%
6%
13.9 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 4.63 μg/m3
PM10: 5.83 μg/m3
Carbon Monoxide: 186.95 μg/m3
Nitrogen Dioxide: 4.83 μg/m3
Sulphur Dioxide: 2.76 μg/m3
Ozone: 74.62 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

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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