Water Temperature of the Mississippi River in Keokuk, IA
Current Water Temperature
Measurement Time: Monday, April 20, 2026, 6:45 PM CDT
Temperature Locations
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Local Points of Interest
Hamilton, IL; Montebello State Park; Victory Park; Lock and Dam 19Station 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

Five Day Weather Forecast

Tue
H: 75°F
L: 53°F

Wed
H: 72°F
L: 57°F

Thu
H: 77°F
L: 58°F

Fri
H: 78°F
L: 59°F

Sat
H: 72°F
L: 59°F
Air Quality
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 90 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 7:51 PM
Daylight: 13 hrs 32 mins
Moon Transit: 5:19 PM
Moonset: 12:24 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%
Best Times for Fishing or Hunting
Major Periods
4:06 AM - 6:36 AM4:49 PM - 7:19 PM
Minor Periods
8:41 AM - 10:11 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Flood Warning issued April 20 at 10:51AM CDT by NWS Quad Cities IA IL
Effective: Mon April 20, 2026, 10:51 AM
Expires: Tue April 21, 2026, 11:00 AM
...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. ...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Rock Island, Louisa, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Mercer, Louisa, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Lee, Henderson and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Mississippi River at Burlington. * WHEN...Until further notice. * IMPACTS...At 17.5 feet, Water affects Riverview Drive in Riverview Park in Fort Madison. * ADDITIONAL DETAILS... - At 10:00 AM CDT Monday the stage was 17.0 feet. - Forecast...The river is expected to rise to a crest of 17.3 feet Wednesday morning. - Flood stage is 15.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. The next statement will be issued by Tuesday morning at 1100 AM CDT.
Flood Warning issued April 20 at 1:05PM CDT until April 21 at 9:00AM CDT by NWS Quad Cities IA IL
Effective: Mon April 20, 2026, 1:05 PM
Expires: Tue April 21, 2026, 9:00 AM
...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Illinois... La Moine River at Colmar affecting Hancock and McDonough Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...La Moine River at Colmar. * WHEN...From this afternoon to late tomorrow morning. * IMPACTS...At 20.0 feet, Water affects the lowest portions of Lambert Road and affects Lamar Road approximately 100 feet north of the intersection with County Road 26. * ADDITIONAL DETAILS... - At 12:45 PM CDT Monday the stage was 20.2 feet and steady. - Forecast...The river is expected to rise to a crest of 20.3 feet this evening. It will then fall below flood stage just after midnight tonight. - Flood stage is 20.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Tuesday morning at 900 AM CDT.
Flood Warning issued April 20 at 10:51AM CDT by NWS Quad Cities IA IL
Effective: Mon April 20, 2026, 10:51 AM
Expires: Tue April 21, 2026, 11:00 AM
...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. ...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Rock Island, Louisa, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Mercer, Louisa, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Lee, Henderson and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Gregory Landing. * WHEN...Until further notice. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 10:30 AM CDT Monday the stage was 16.1 feet. - Forecast...The river is expected to fall to 15.7 feet Monday, April 27. - Flood stage is 15.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. The next statement will be issued by Tuesday morning at 1100 AM CDT.
Flood Warning issued April 20 at 2:30PM CDT until April 21 at 5:00AM CDT by NWS Quad Cities IA IL
Effective: Mon April 20, 2026, 2:30 PM
Expires: Tue April 21, 2026, 5:00 AM
...The Flood Warning continues for the following rivers in Illinois... La Moine River at Colmar affecting Hancock and McDonough Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...La Moine River at Colmar. * WHEN...Until late tonight. * IMPACTS...At 20.0 feet, Water affects the lowest portions of Lambert Road and affects Lamar Road approximately 100 feet north of the intersection with County Road 26. * ADDITIONAL DETAILS... - At 1:45 PM CDT Monday the stage was 20.1 feet and steady. - Recent Activity...The river is cresting now. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 7.3 feet Monday, April 27. - Flood stage is 20.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. The next statement will be issued by late tonight at 500 AM CDT.
Flood Warning issued April 20 at 1:02PM CDT by NWS St Louis MO
Effective: Mon April 20, 2026, 1:02 PM
Expires: Wed April 22, 2026, 1:15 AM
...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Chester. Mississippi River at Lock & Dam 21. Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Canton. * WHEN...Until further notice. * IMPACTS...At 15.6 feet, North Front Street and the first 2-3 campsites in Mississippi Park begin flooding at this height. * ADDITIONAL DETAILS... - At 10:00 AM CDT Monday the stage was 15.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Monday was 16.0 feet. - Forecast...The river is expected to fall to 15.2 feet Monday, April 27. - Flood stage is 15.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 97.96 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 7:51 PM
Daylight: 13 hrs 32 mins
Moon Transit: 5:19 PM
Moonset: 12:24 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%
Best Times for Fishing or Hunting
Major Periods
4:06 AM - 6:36 AM4:49 PM - 7:19 PM
Minor Periods
8:41 AM - 10:11 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 82.6 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 7:52 PM
Daylight: 13 hrs 35 mins
Moon Transit: 6:22 PM
Moonset: 1:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%
Best Times for Fishing or Hunting
Major Periods
5:10 AM - 7:40 AM5:52 PM - 8:22 PM
Minor Periods
9:52 AM - 11:22 AM12:55 AM - 2:25 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.59 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 75.16 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 7:53 PM
Daylight: 13 hrs 37 mins
Moon Transit: 7:19 PM
Moonset: 2:14 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
6:10 AM - 8:40 AM6:49 PM - 9:19 PM
Minor Periods
11:05 AM - 12:35 AM1:44 AM - 3:14 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.41 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 76.69 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 7:54 PM
Daylight: 13 hrs 40 mins
Moon Transit: 8:12 PM
Moonset: 2:52 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%
Best Times for Fishing or Hunting
Major Periods
7:05 AM - 9:35 AM7:42 PM - 10:12 PM
Minor Periods
12:20 AM - 1:50 PM2:22 AM - 3:52 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 7:55 PM
Daylight: 13 hrs 42 mins
Moon Transit: 9:00 PM
Moonset: 3:22 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%
Best Times for Fishing or Hunting
Major Periods
7:55 AM - 10:25 AM8:30 PM - 11:00 PM
Minor Periods
1:31 PM - 3:01 PM2:52 AM - 4:22 AM
Action Rating: 2 out of 5
