Weather for Blue Island, Illinois
Current Weather
Humidity: 48%
Feels Like: 78.2°F
Wind: SSE 4 mph
Wind Gusts: 4.6 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 3
Five Day Weather Forecast
Fri
H: 89°F
L: 60°F
Sat
H: 94°F
L: 64°F
Sun
H: 91°F
L: 68°F
Mon
H: 90°F
L: 66°F
Tue
H: 94°F
L: 68°F
Air Quality
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 10.92 μg/m3
Ozone: 164 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 7:05 PM
Daylight: 12 hrs 36 mins
Moon Transit: 4:40 AM
Moonset: 12:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
4:10 AM - 6:40 AM4:59 PM - 7:29 PM
Minor Periods
9:10 PM - 10:40 PM12:04 AM - 1:34 PM
Action Rating: 4 out of 5
Special Weather Statement issued September 12 at 4:19AM CDT by NWS Chicago IL
Effective: Fri September 12, 2025, 4:19 AM
Expires: Fri September 12, 2025, 9:00 AM
Areas of fog are being observed across portions of northern Illinois this morning resulting in visibilities as low as 1 mile. Locally dense fog is occurring in Lake County, Illinois where a Dense Fog Advisory is in effect until 10 AM this morning. Allow extra time for the morning commute and use low beams when driving in fog.
Special Weather Statement issued September 12 at 5:35AM CDT by NWS Chicago IL
Effective: Fri September 12, 2025, 5:35 AM
Expires: Fri September 12, 2025, 9:00 AM
Areas of fog have developed early this morning across portions of northern Illinois outside of Chicago, some of which has become locally dense with visibilities of one quarter mile or less at times. Be prepared for sudden changes in visibility over short distances during the morning commute. Slow down, increase following distance, and use low beams when driving in fog.
Special Weather Statement issued September 12 at 5:35AM CDT by NWS Chicago IL
Effective: Fri September 12, 2025, 5:35 AM
Expires: Fri September 12, 2025, 9:00 AM
Areas of fog have developed early this morning across portions of northern Illinois outside of Chicago, some of which has become locally dense with visibilities of one quarter mile or less at times. Be prepared for sudden changes in visibility over short distances during the morning commute. Slow down, increase following distance, and use low beams when driving in fog.
Special Weather Statement issued September 12 at 4:19AM CDT by NWS Chicago IL
Effective: Fri September 12, 2025, 4:19 AM
Expires: Fri September 12, 2025, 9:00 AM
Areas of fog are being observed across portions of northern Illinois this morning resulting in visibilities as low as 1 mile. Locally dense fog is occurring in Lake County, Illinois where a Dense Fog Advisory is in effect until 10 AM this morning. Allow extra time for the morning commute and use low beams when driving in fog.
Special Weather Statement issued September 12 at 5:35AM CDT by NWS Chicago IL
Effective: Fri September 12, 2025, 5:35 AM
Expires: Fri September 12, 2025, 9:00 AM
Areas of fog have developed early this morning across portions of northern Illinois outside of Chicago, some of which has become locally dense with visibilities of one quarter mile or less at times. Be prepared for sudden changes in visibility over short distances during the morning commute. Slow down, increase following distance, and use low beams when driving in fog.
Weather Forecast
Average Temperature: 71.6°F
Average Humidity: 72%
Wind: 6.7 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 29.73 μg/m3
Sulphur Dioxide: 10.57 μg/m3
Ozone: 107.12 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 7:05 PM
Daylight: 12 hrs 36 mins
Moon Transit: 4:40 AM
Moonset: 12:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
4:10 AM - 6:40 AM4:59 PM - 7:29 PM
Minor Periods
9:10 PM - 10:40 PM12:04 AM - 1:34 PM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 76.1°F
Average Humidity: 66%
Wind: 8.7 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 32.57 μg/m3
Sulphur Dioxide: 11.23 μg/m3
Ozone: 103.96 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 7:03 PM
Daylight: 12 hrs 33 mins
Moon Transit: 5:40 AM
Moonset: 1:50 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%
Best Times for Fishing or Hunting
Major Periods
5:10 AM - 7:40 AM6:00 PM - 8:30 PM
Minor Periods
9:59 PM - 11:29 PM1:20 PM - 2:50 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 75.2°F
Average Humidity: 81%
Wind: 8.7 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 26.94 μg/m3
Sulphur Dioxide: 12.51 μg/m3
Ozone: 110.28 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 7:01 PM
Daylight: 12 hrs 31 mins
Moon Transit: 6:42 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%
Best Times for Fishing or Hunting
Major Periods
6:12 AM - 8:42 AM7:02 PM - 9:32 PM
Minor Periods
12:00 AM - 12:00 AM2:28 PM - 3:58 PM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 76.4°F
Average Humidity: 55%
Wind: 8.1 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 29.67 μg/m3
Sulphur Dioxide: 10.2 μg/m3
Ozone: 117.72 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 6:59 PM
Daylight: 12 hrs 28 mins
Moon Transit: 7:43 AM
Moonset: 3:54 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%
Best Times for Fishing or Hunting
Major Periods
7:13 AM - 9:43 AM8:02 PM - 10:32 PM
Minor Periods
3:24 PM - 4:54 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 79.2°F
Average Humidity: 40%
Wind: 8.5 mph
UV Index: 7
Air Quality
Nitrogen Dioxide: 39.28 μg/m3
Sulphur Dioxide: 9.85 μg/m3
Ozone: 87.77 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 6:58 PM
Daylight: 12 hrs 25 mins
Moon Transit: 8:42 AM
Moonset: 4:39 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%
Best Times for Fishing or Hunting
Major Periods
8:12 AM - 10:42 AM8:59 PM - 11:29 PM
Minor Periods
4:09 PM - 5:39 PM12:07 AM - 1:37 AM
Action Rating: 2 out of 5