Weather for Blue Island, Illinois
Current Weather
Five Day Weather Forecast
Wed
H: 57°F
L: 49°F
Thu
H: 66°F
L: 49°F
Fri
H: 59°F
L: 52°F
Sat
H: 70°F
L: 54°F
Sun
H: 81°F
L: 63°F
Air Quality
Nitrogen Dioxide: 6.95 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 73 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:09 PM
Daylight: 14 hrs 42 mins
Moon Transit: 4:55 PM
Moonset: 12:56 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
4:14 AM - 6:44 AM4:25 PM - 6:55 PM
Minor Periods
8:29 AM - 9:59 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Beach Hazards Statement issued May 20 at 3:42AM CDT until May 21 at 1:00PM CDT by NWS Chicago IL
Effective: Wed May 20, 2026, 3:42 AM
Expires: Wed May 20, 2026, 11:45 AM
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 6 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From 1 PM CDT this afternoon through Thursday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Beach Hazards Statement issued May 20 at 10:31AM CDT until May 21 at 1:00PM CDT by NWS Chicago IL
Effective: Wed May 20, 2026, 10:31 AM
Expires: Wed May 20, 2026, 6:45 PM
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Thursday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Beach Hazards Statement issued May 20 at 3:42AM CDT until May 21 at 10:00AM CDT by NWS Chicago IL
Effective: Wed May 20, 2026, 3:42 AM
Expires: Wed May 20, 2026, 11:45 AM
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 6 ft expected. * WHERE...Lake County IN. * WHEN...From 7 AM CDT this morning through Thursday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Beach Hazards Statement issued May 20 at 10:31AM CDT until May 21 at 10:00AM CDT by NWS Chicago IL
Effective: Wed May 20, 2026, 10:31 AM
Expires: Wed May 20, 2026, 6:45 PM
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake County IN. * WHEN...Through Thursday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Beach Hazards Statement issued May 20 at 3:42AM CDT until May 21 at 7:00AM CDT by NWS Chicago IL
Effective: Wed May 20, 2026, 3:42 AM
Expires: Wed May 20, 2026, 11:45 AM
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 6 ft expected. * WHERE...Porter County. * WHEN...From 7 AM CDT this morning through Thursday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.14 μg/m3
Sulphur Dioxide: 2.24 μg/m3
Ozone: 58.12 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:09 PM
Daylight: 14 hrs 42 mins
Moon Transit: 4:55 PM
Moonset: 12:56 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
4:14 AM - 6:44 AM4:25 PM - 6:55 PM
Minor Periods
8:29 AM - 9:59 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.55 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 72.32 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:10 PM
Daylight: 14 hrs 44 mins
Moon Transit: 5:51 PM
Moonset: 12:39 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
5:13 AM - 7:43 AM5:21 PM - 7:51 PM
Minor Periods
9:48 AM - 11:18 AM12:09 AM - 1:39 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 13.42 μg/m3
Sulphur Dioxide: 3.42 μg/m3
Ozone: 62.92 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:11 PM
Daylight: 14 hrs 46 mins
Moon Transit: 6:42 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
6:06 AM - 8:36 AM6:12 PM - 8:42 PM
Minor Periods
11:02 AM - 12:32 AM12:42 AM - 2:12 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 18.39 μg/m3
Sulphur Dioxide: 3.8 μg/m3
Ozone: 36.08 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:11 PM
Daylight: 14 hrs 48 mins
Moon Transit: 7:28 PM
Moonset: 1:38 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
6:54 AM - 9:24 AM6:58 PM - 9:28 PM
Minor Periods
12:14 AM - 1:44 PM1:08 AM - 2:38 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:12 PM
Daylight: 14 hrs 49 mins
Moon Transit: 8:11 PM
Moonset: 2:00 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
7:39 AM - 10:09 AM7:41 PM - 10:11 PM
Minor Periods
1:21 PM - 2:51 PM1:30 AM - 3:00 AM
Action Rating: 2 out of 5