Weather for Quincy, Illinois
Current Weather
Five Day Weather Forecast
Fri
H: 60°F
L: 37°F
Sat
H: 58°F
L: 38°F
Sun
H: 74°F
L: 43°F
Mon
H: 71°F
L: 57°F
Tue
H: 58°F
L: 49°F
Air Quality
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 95 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:00 PM
Daylight: 13 hrs 55 mins
Moon Transit: 12:35 AM
Moonset: 5:39 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:05 AM - 2:35 AM12:15 AM - 2:45 PM
Minor Periods
7:57 PM - 9:27 PM5:09 AM - 6:39 AM
Action Rating: 4 out of 5
Flood Warning issued April 30 at 9:26PM CDT until May 3 at 10:00PM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 9:26 PM
Expires: Sat May 2, 2026, 9:30 AM
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River near Herculaneum. Mississippi River at Chester. Mississippi River at Alton. Mississippi River at Grafton. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Mel Price LD. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. ...The Flood Warning is cancelled for the following rivers in Missouri...Illinois... Mississippi River at St. Louis. 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 evening. * IMPACTS...At 18.0 feet, The northern end of Southside Recreation #2 Park along Bear Creek begins flooding at this height. Gate wells are shut down to prevent the sewers from backing up. Also at this level pumps are set to standby. * ADDITIONAL DETAILS... - At 8:15 PM CDT Thursday the stage was 18.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:15 PM CDT Thursday was 19.3 feet. - Forecast...The river is expected to fall below flood stage Saturday afternoon and continue falling to 14.4 feet Thursday, May 07. - 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 April 30 at 9:26PM CDT until May 3 at 4:00AM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 9:26 PM
Expires: Sat May 2, 2026, 9:30 AM
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River near Herculaneum. Mississippi River at Chester. Mississippi River at Alton. Mississippi River at Grafton. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Mel Price LD. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. ...The Flood Warning is cancelled for the following rivers in Missouri...Illinois... Mississippi River at St. Louis. 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 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 6:00 PM CDT Thursday the stage was 17.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:00 PM CDT Thursday was 18.0 feet. - Forecast...The river is expected to fall below flood stage late tomorrow evening and continue falling to 11.9 feet Thursday, May 07. - 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 April 30 at 9:26PM CDT until May 4 at 11:00PM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 9:26 PM
Expires: Sat May 2, 2026, 9:30 AM
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River near Herculaneum. Mississippi River at Chester. Mississippi River at Alton. Mississippi River at Grafton. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Mel Price LD. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. ...The Flood Warning is cancelled for the following rivers in Missouri...Illinois... Mississippi River at St. Louis. 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 Thursday the stage was 17.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 18.4 feet. - Forecast...The river is expected to fall below flood stage Sunday afternoon and continue falling to 12.7 feet Thursday, May 07. - 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 April 30 at 9:17PM CDT until May 6 at 1:00AM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 9:17 PM
Expires: Sat May 2, 2026, 9:30 AM
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Meredosia. 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 Saturday night to late Tuesday night. * IMPACTS...At 17.4 feet, Meredosia boat dock floods. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 16.8 feet. - Forecast...The river is expected to rise to a crest of 17.0 feet early Sunday morning. It will then fall below flood stage Monday evening. - 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 April 30 at 9:17PM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 9:17 PM
Expires: Sat May 2, 2026, 9:30 AM
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Meredosia. 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 Thursday the stage was 15.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 15.2 feet. - Forecast...The river is expected to rise to a crest of 15.3 feet tomorrow morning. - 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
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.63 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 74 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:00 PM
Daylight: 13 hrs 55 mins
Moon Transit: 12:35 AM
Moonset: 5:39 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:05 AM - 2:35 AM12:15 AM - 2:45 PM
Minor Periods
7:57 PM - 9:27 PM5:09 AM - 6:39 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.22 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 77.04 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: 5.3 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 79.16 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: 4.04 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 89.24 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: 6.53 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 74.23 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