Weather for Quincy, Illinois
Current Weather
Five Day Weather Forecast
Sat
H: 63°F
L: 38°F
Sun
H: 73°F
L: 43°F
Mon
H: 71°F
L: 56°F
Tue
H: 58°F
L: 44°F
Wed
H: 54°F
L: 42°F
Air Quality
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 74 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 1:17PM CDT until May 3 at 1:00PM CDT by NWS St Louis MO
Effective: Fri May 1, 2026, 1:17 PM
Expires: Sun May 3, 2026, 1:30 AM
...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Alton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River near Herculaneum. Mississippi River at Mel Price LD. Mississippi River at Chester. Mississippi River at Grafton. 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. * ADDITIONAL DETAILS... - At 12:15 PM CDT Friday the stage was 17.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:15 PM CDT Friday was 18.6 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 14.8 feet Friday, May 08. - 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 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 1:17PM CDT until May 2 at 11:34PM CDT by NWS St Louis MO
Effective: Fri May 1, 2026, 1:17 PM
Expires: Sat May 2, 2026, 11:45 PM
...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Alton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River near Herculaneum. Mississippi River at Mel Price LD. Mississippi River at Chester. Mississippi River at Grafton. 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 Saturday evening. * ADDITIONAL DETAILS... - At 12:00 PM CDT Friday the stage was 16.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:00 PM CDT Friday was 17.3 feet. - Forecast...The river is expected to fall below flood stage late this afternoon and continue falling to 11.7 feet Friday, May 08. - 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 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 1:17PM CDT until May 4 at 7:00PM CDT by NWS St Louis MO
Effective: Fri May 1, 2026, 1:17 PM
Expires: Sun May 3, 2026, 1:30 AM
...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Alton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River near Herculaneum. Mississippi River at Mel Price LD. Mississippi River at Chester. Mississippi River at Grafton. 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. * ADDITIONAL DETAILS... - At 1:00 PM CDT Friday the stage was 17.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1:00 PM CDT Friday was 18.0 feet. - Forecast...The river is expected to fall below flood stage early Sunday afternoon and continue falling to 12.8 feet Friday, May 08. - 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: 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