Weather for Romeoville, Illinois
Current Weather
Five Day Weather Forecast
Wed
H: 21°F
L: -1°F
Thu
H: 18°F
L: 3°F
Fri
H: 14°F
L: 1°F
Sat
H: 22°F
L: 6°F
Sun
H: 26°F
L: 12°F
Air Quality
Nitrogen Dioxide: 22.55 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 54 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:03 PM
Daylight: 9 hrs 55 mins
Moon Transit: 8:23 PM
Moonset: 3:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%
Best Times for Fishing or Hunting
Major Periods
7:37 AM - 10:07 AM7:53 PM - 10:23 PM
Minor Periods
11:43 AM - 1:13 PM2:56 AM - 4:26 AM
Action Rating: 3 out of 5
Flood Advisory issued January 27 at 2:31PM CST by NWS Chicago IL
Effective: Tue January 27, 2026, 2:31 PM
Expires: Wed January 28, 2026, 2:45 PM
...The Flood Advisory continues for the following rivers in Illinois... Kankakee River at Momence affecting Kankakee County. For the Kankakee River...including Momence...elevated river levels are forecast. * WHAT...Flooding caused by an ice jam continues. * WHERE...Kankakee River from IL/IN state line downstream to confluence with Iroquois River at Aroma Park, including the Momence gauge. * WHEN...Until further notice. * IMPACTS...Localized flooding of wetlands, forest land, agricultural land, and roadways may occur along the river. * ADDITIONAL DETAILS... - At 1:45 PM CST Tuesday the stage was 4.7 feet. - Forecast...The river is expected to remain near flood stage while the ice jam is in place, with local water level fluctuations possible. - Flood stage is 5.0 feet. - http://www.weather.gov/safety/flood
An ice jam is affecting water levels in this area. River forecasts during ice jams are less certain due to many complicated factors. Significant river ice cover can cause large water level fluctuations and flooding with little advanced notice. River ice may also cause gauge observations to be inaccurate. Additional information is available at www.weather.gov. The next statement will be issued by Wednesday afternoon.Wednesday afternoon.
Flood Advisory issued January 28 at 11:30AM CST by NWS Chicago IL
Effective: Wed January 28, 2026, 11:30 AM
Expires: Thu January 29, 2026, 2:00 PM
...The Flood Advisory continues for the following rivers in Illinois... Kankakee River at Momence affecting Kankakee County. For the Kankakee River...including Momence...elevated river levels are forecast. * WHAT...Flooding caused by an ice jam continues. * WHERE...Kankakee River from IL/IN state line downstream to confluence with Iroquois River at Aroma Park, including the Momence gauge. * WHEN...Until further notice. * IMPACTS...Localized flooding of wetlands, forest land, agricultural land, and roadways may occur along the river. * ADDITIONAL DETAILS... - At 10:45 AM CST Wednesday the stage was 4.6 feet. - Forecast...The river is expected to remain near flood stage while the ice jam is in place, with local water level fluctuations possible. - Flood stage is 5.0 feet. - http://www.weather.gov/safety/flood
An ice jam is affecting water levels in this area. River forecasts during ice jams are less certain due to many complicated factors. Significant river ice cover can cause large water level fluctuations and flooding with little advanced notice. River ice may also cause gauge observations to be inaccurate. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.
Weather Forecast
Air Quality
Nitrogen Dioxide: 13.7 μg/m3
Sulphur Dioxide: 2.77 μg/m3
Ozone: 58.56 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:03 PM
Daylight: 9 hrs 55 mins
Moon Transit: 8:23 PM
Moonset: 3:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%
Best Times for Fishing or Hunting
Major Periods
7:37 AM - 10:07 AM7:53 PM - 10:23 PM
Minor Periods
11:43 AM - 1:13 PM2:56 AM - 4:26 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 20.38 μg/m3
Sulphur Dioxide: 4.33 μg/m3
Ozone: 52.2 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:04 PM
Daylight: 9 hrs 57 mins
Moon Transit: 9:28 PM
Moonset: 4:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%
Best Times for Fishing or Hunting
Major Periods
8:41 AM - 11:11 AM8:58 PM - 11:28 PM
Minor Periods
12:43 AM - 2:13 PM4:08 AM - 5:38 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 25.61 μg/m3
Sulphur Dioxide: 4.57 μg/m3
Ozone: 44.24 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:05 PM
Daylight: 9 hrs 59 mins
Moon Transit: 10:31 PM
Moonset: 5:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%
Best Times for Fishing or Hunting
Major Periods
9:46 AM - 12:16 AM12:00 AM - 12:00 AM
Minor Periods
1:54 PM - 3:24 PM5:10 AM - 6:40 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 17.89 μg/m3
Sulphur Dioxide: 4.07 μg/m3
Ozone: 57.44 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:07 PM
Daylight: 10 hrs 2 mins
Moon Transit: 11:31 PM
Moonset: 6:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%
Best Times for Fishing or Hunting
Major Periods
10:48 AM - 1:18 PM12:00 AM - 12:00 AM
Minor Periods
3:12 PM - 4:42 PM6:00 AM - 7:30 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 47.85 μg/m3
Sulphur Dioxide: 5.34 μg/m3
Ozone: 21 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:08 PM
Daylight: 10 hrs 4 mins
Moon Transit: 12:00 AM
Moonset: 7:08 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:45 AM - 2:15 PM
Minor Periods
4:30 PM - 6:00 PM6:38 AM - 8:08 AM
Action Rating: 4 out of 5