Water Temperature of the Mississippi River in Keokuk, IA
Current Water Temperature
Measurement Time: Friday, October 31, 2025, 2:45 AM CDT
Temperature Locations
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Local Points of Interest
Hamilton, IL; Montebello State Park; Victory Park; Lock and Dam 19Sponsored Content
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

Humidity: 100%
Feels Like: 31.2°F
Wind: WNW 6.3 mph
Wind Gusts: 13.2 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0
Five Day Weather Forecast

Fri
H: 59°F
L: 34°F

Sat
H: 51°F
L: 36°F

Sun
H: 56°F
L: 38°F

Mon
H: 61°F
L: 37°F

Tue
H: 58°F
L: 42°F
Air Quality
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 65 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 6:03 PM
Daylight: 10 hrs 29 mins
Moon Transit: 9:02 PM
Moonset: 1:35 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
7:58 AM - 10:28 AM8:32 PM - 11:02 PM
Minor Periods
3:00 PM - 4:30 PM1:05 AM - 2:35 AM
Action Rating: 3 out of 5
Frost Advisory issued October 30 at 1:47PM CDT until October 31 at 8:00AM CDT by NWS St Louis MO
Effective: Thu October 30, 2025, 1:47 PM
Expires: Fri October 31, 2025, 5:00 AM
* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...From 3 AM to 8 AM CDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Frost Advisory issued October 31 at 2:16AM CDT until October 31 at 8:00AM CDT by NWS St Louis MO
Effective: Fri October 31, 2025, 2:16 AM
Expires: Fri October 31, 2025, 5:30 PM
* WHAT...For the Frost Advisory, temperatures as low as 30 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Portions of west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...For the Frost Advisory, until 8 AM CDT this morning. For the Freeze Watch, from late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Freeze Watch issued October 31 at 2:16AM CDT until November 2 at 7:00AM CST by NWS St Louis MO
Effective: Fri October 31, 2025, 2:16 AM
Expires: Fri October 31, 2025, 5:30 PM
* WHAT...For the Frost Advisory, temperatures as low as 30 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Portions of west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...For the Frost Advisory, until 8 AM CDT this morning. For the Freeze Watch, from late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Weather Forecast
Average Temperature: 46.3°F
Average Humidity: 71%
Wind: 16.8 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 6.75 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 50.56 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 6:03 PM
Daylight: 10 hrs 29 mins
Moon Transit: 9:02 PM
Moonset: 1:35 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
7:58 AM - 10:28 AM8:32 PM - 11:02 PM
Minor Periods
3:00 PM - 4:30 PM1:05 AM - 2:35 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 43.3°F
Average Humidity: 70%
Wind: 10.3 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 5.03 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 45.92 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 6:02 PM
Daylight: 10 hrs 26 mins
Moon Transit: 9:50 PM
Moonset: 2:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%
Best Times for Fishing or Hunting
Major Periods
8:45 AM - 11:15 AM9:20 PM - 11:50 PM
Minor Periods
3:24 PM - 4:54 PM2:16 AM - 3:46 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 44.2°F
Average Humidity: 57%
Wind: 7.4 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 6.16 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 41.46 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 6:01 PM
Daylight: 10 hrs 24 mins
Moon Transit: 11:31 AM
Moonset: 3:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%
Best Times for Fishing or Hunting
Major Periods
11:01 AM - 1:31 PM11:01 AM - 1:31 PM
Minor Periods
3:48 PM - 5:18 PM3:28 AM - 4:58 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 48°F
Average Humidity: 54%
Wind: 15.7 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 6:00 PM
Daylight: 10 hrs 22 mins
Moon Transit: 11:29 PM
Moonset: 5:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
4:13 PM - 5:43 PM4:43 AM - 6:13 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 49.2°F
Average Humidity: 41%
Wind: 20.4 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 5:58 PM
Daylight: 10 hrs 20 mins
Moon Transit: 12:00 AM
Moonset: 6:32 AM
Moon Phase: Full
Moon Illumination: 99.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:15 AM - 1:45 PM
Minor Periods
4:42 PM - 6:12 PM6:02 AM - 7:32 AM
Action Rating: 5 out of 5
