Weather for Marseilles, Illinois
Current Weather
Five Day Weather Forecast
Sun
H: 76°F
L: 43°F
Mon
H: 69°F
L: 58°F
Tue
H: 64°F
L: 49°F
Wed
H: 59°F
L: 46°F
Thu
H: 58°F
L: 42°F
Air Quality
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 125 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:47 PM
Daylight: 13 hrs 48 mins
Moon Transit: 9:33 PM
Moonset: 3:38 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%
Best Times for Fishing or Hunting
Major Periods
8:52 AM - 11:22 AM9:03 PM - 11:33 PM
Minor Periods
2:26 PM - 3:56 PM3:08 AM - 4:38 AM
Action Rating: 2 out of 5
Flood Warning issued April 25 at 9:00PM CDT until April 29 at 7:00PM CDT by NWS Chicago IL
Effective: Sat April 25, 2026, 9:00 PM
Expires: Sun April 26, 2026, 3:00 PM
...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kendall and Kane Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Minor flooding is occurring and is forecasted to continue. * WHERE...Fox River from Red Gate Road in St. Charles downstream to Millington, including the Montgomery gauge. * WHEN...Until Wednesday evening. * IMPACTS...At 13.5 feet, low-lying parking lots at city hall and Boy Scout Island are threatened in St. Charles. Fox River Trail is threatened at St. Mary Park in St. Charles. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday, the stage was 13.5 feet. - Forecast...The river is expected to remain nearly steady at around 13.5 feet until at least early next week. - Flood stage is 13.5 feet. - http://www.weather.gov/safety/flood
A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Sunday afternoon.
Flood Warning issued April 25 at 9:00PM CDT by NWS Chicago IL
Effective: Sat April 25, 2026, 9:00 PM
Expires: Sun April 26, 2026, 3:00 PM
...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kendall and Kane Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Moderate flooding is occurring and is forecasted to continue. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, structures threatened along River Street, Johnson Street, and Maiden Lane in East Dundee. North Harrison Street threatened near Riverside Park in Algonquin. Washington Street threatened in Carpentersville. Water Street, Edwards Avenue, and Elgin Avenue threatened in East Dundee. Bayview Road threatened in Elgin. Low-lying areas of Festival Park are threatened in Elgin. * ADDITIONAL DETAILS... - At 8:30 PM CDT Saturday, the stage was just under 12.0 feet. - Forecast...The river has crested and has begun to slowly fall, but will remain above flood stage through at least next week. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood
A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Sunday afternoon.
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.33 μg/m3
Sulphur Dioxide: 3.43 μg/m3
Ozone: 87.96 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:47 PM
Daylight: 13 hrs 48 mins
Moon Transit: 9:33 PM
Moonset: 3:38 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%
Best Times for Fishing or Hunting
Major Periods
8:52 AM - 11:22 AM9:03 PM - 11:33 PM
Minor Periods
2:26 PM - 3:56 PM3:08 AM - 4:38 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.27 μg/m3
Sulphur Dioxide: 4.79 μg/m3
Ozone: 99.68 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:48 PM
Daylight: 13 hrs 51 mins
Moon Transit: 10:16 PM
Moonset: 3:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%
Best Times for Fishing or Hunting
Major Periods
9:35 AM - 12:05 AM12:00 AM - 12:00 AM
Minor Periods
3:32 PM - 5:02 PM3:29 AM - 4:59 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.42 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 85.76 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:49 PM
Daylight: 13 hrs 53 mins
Moon Transit: 10:58 PM
Moonset: 4:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%
Best Times for Fishing or Hunting
Major Periods
10:17 AM - 12:47 AM12:00 AM - 12:00 AM
Minor Periods
4:37 PM - 6:07 PM3:50 AM - 5:20 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.29 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 80.36 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:50 PM
Daylight: 13 hrs 56 mins
Moon Transit: 11:40 PM
Moonset: 4:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%
Best Times for Fishing or Hunting
Major Periods
10:59 AM - 1:29 PM12:00 AM - 12:00 AM
Minor Periods
5:41 PM - 7:11 PM4:10 AM - 5:40 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.57 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 73.85 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:51 PM
Daylight: 13 hrs 58 mins
Moon Transit: 12:00 AM
Moonset: 5:01 AM
Moon Phase: Full
Moon Illumination: 99.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:42 AM - 2:12 PM
Minor Periods
6:45 PM - 8:15 PM4:31 AM - 6:01 AM
Action Rating: 5 out of 5