Weather for Quincy, Illinois
Current Weather
Five Day Weather Forecast
Sat
H: 63°F
L: 39°F
Sun
H: 70°F
L: 43°F
Mon
H: 75°F
L: 54°F
Tue
H: 60°F
L: 46°F
Wed
H: 47°F
L: 40°F
Air Quality
Nitrogen Dioxide: 10.15 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 66 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:01 PM
Daylight: 13 hrs 57 mins
Moon Transit: 1:20 AM
Moonset: 6:08 AM
Moon Phase: Full
Moon Illumination: 98.4%
Best Times for Fishing or Hunting
Major Periods
12:50 AM - 3:20 AM1:02 PM - 3:32 PM
Minor Periods
9:00 PM - 10:30 PM5:38 AM - 7:08 AM
Action Rating: 4 out of 5
Flood Warning issued May 1 at 9:31PM CDT until May 3 at 1:00PM CDT by NWS St Louis MO
Effective: Fri May 1, 2026, 9:31 PM
Expires: Sun May 3, 2026, 9:45 AM
...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. 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 Hannibal. * WHEN...Until Sunday afternoon. * IMPACTS...At 17.0 feet, John Hay Recreation Area on east side (inside the Illinois Sny Levee) begins flooding. * ADDITIONAL DETAILS... - At 8:15 PM CDT Friday the stage was 17.4 feet and falling. - Recent Activity...The river first rose above flood stage on April 13. It crested near 20.0 feet on April 28. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling over the coming days. - Flood stage is 17.0 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
Flood Warning issued May 1 at 9:31PM CDT until May 3 at 2:39AM CDT by NWS St Louis MO
Effective: Fri May 1, 2026, 9:31 PM
Expires: Sun May 3, 2026, 2:45 AM
...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Saverton. * WHEN...Until late Saturday night. * IMPACTS...At 15.5 feet, An access road to riverside raised homes on the riverward side of the Sny levee begins to flood near this level. * ADDITIONAL DETAILS... - At 8:00 PM CDT Friday the stage was 16.0 feet and falling. - Recent Activity...The river rose above flood stage on April 18. It's most recent crest was near 18.7 feet on April 28. - Forecast...The river is expected to fall below flood stage tonight and continue falling over the following days. - Flood stage is 16.0 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
Flood Warning issued May 1 at 9:31PM CDT until May 4 at 10:00PM CDT by NWS St Louis MO
Effective: Fri May 1, 2026, 9:31 PM
Expires: Sun May 3, 2026, 9:45 AM
...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. 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 Louisiana. * WHEN...Until Monday evening. * IMPACTS...At 17.0 feet, The parking area at the boat house floods. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 16.8 feet and falling. - Recent Activity...The river first rose above flood stage on April 9. It crested near 18.8 feet on April 28. - Forecast...The river is expected to fall below flood stage Sunday afternoon and continue falling over the coming days. - 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
Flood Warning issued May 1 at 9:18PM CDT by NWS St Louis MO
Effective: Fri May 1, 2026, 9:18 PM
Expires: Sun May 3, 2026, 9:30 AM
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Meredosia. ...The Flood Warning continues for the following rivers in Illinois... Illinois River at Valley City. Illinois River at Hardin. 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...Illinois River at Valley City. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 15.4 feet and nearing a crest. - Recent Activity...The river rose above flood stage on the evening of April 27. - Forecast...The river is expected to rise to a crest of 15.4 feet just after midnight tonight. - Flood stage is 14.0 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
Flood Warning issued May 1 at 9:18PM CDT until May 4 at 7:00PM CDT by NWS St Louis MO
Effective: Fri May 1, 2026, 9:18 PM
Expires: Sun May 3, 2026, 9:30 AM
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Meredosia. ...The Flood Warning continues for the following rivers in Illinois... Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Meredosia. * WHEN...From late tonight to Monday evening. * IMPACTS...At 17.4 feet, Meredosia boat dock floods. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 16.9 feet and rising. - Forecast...The river is expected to rise to a crest of 17.0 feet just after midnight tonight. It will then fall below flood stage early Sunday afternoon. - Flood stage is 17.0 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: 4.43 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 76.44 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:01 PM
Daylight: 13 hrs 57 mins
Moon Transit: 1:20 AM
Moonset: 6:08 AM
Moon Phase: Full
Moon Illumination: 98.4%
Best Times for Fishing or Hunting
Major Periods
12:50 AM - 3:20 AM1:02 PM - 3:32 PM
Minor Periods
9:00 PM - 10:30 PM5:38 AM - 7:08 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.72 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 78.84 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:02 PM
Daylight: 13 hrs 59 mins
Moon Transit: 2:08 AM
Moonset: 6:43 AM
Moon Phase: Full
Moon Illumination: 94.4%
Best Times for Fishing or Hunting
Major Periods
1:38 AM - 4:08 AM1:51 PM - 4:21 PM
Minor Periods
10:01 PM - 11:31 PM6:13 AM - 7:43 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.61 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 89.08 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:03 PM
Daylight: 14 hrs 1 mins
Moon Transit: 2:58 AM
Moonset: 7:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
2:28 AM - 4:58 AM2:42 PM - 5:12 PM
Minor Periods
12:00 AM - 12:00 AM6:53 AM - 8:23 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.31 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 79.4 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:05 PM
Daylight: 14 hrs 3 mins
Moon Transit: 3:49 AM
Moonset: 8:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
3:19 AM - 5:49 AM3:33 PM - 6:03 PM
Minor Periods
7:42 AM - 9:12 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 70.46 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:06 PM
Daylight: 14 hrs 6 mins
Moon Transit: 4:41 AM
Moonset: 9:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
4:11 AM - 6:41 AM4:24 PM - 6:54 PM
Minor Periods
8:37 AM - 10:07 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5