Illinois · NWS LOT office

Blue Island, IL weather

It is 57°F and cloudy at Chicago, Chicago Midway Airport as of Oct 28, 4:05 AM CDT. Overnight: Partly Cloudy, low near 53°F, 2% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 3:35 AM CDT.

Updated Oct 28, 4:29 AM CDT (snapshot)

Current conditions

Temperature

57°F

Cloudy

Wind

SSW 6 mph

Humidity 72% · dew point 48°F

Pressure · visibility

30.20 inHg

Visibility 10 mi

Observed at Chicago, Chicago Midway Airport (KMDW), Oct 28, 4:05 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Blue Island forecast zone right now.

Around the NWS LOT forecast area

No active alerts in zones served by the LOT office near Blue Island.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Illinois.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Blue Island (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM56°FPartly Cloudy2%S 5 mph
Wed 5 AM55°FPartly Cloudy1% 0 mph
Wed 6 AM54°FMostly Sunny1% 0 mph
Wed 7 AM54°FSunny1% 0 mph
Wed 8 AM55°FSunny1%S 5 mph
Wed 9 AM58°FSunny1%SSW 5 mph
Wed 10 AM62°FSunny0%SSW 5 mph
Wed 11 AM66°FSunny0%SSW 10 mph
Wed 12 PM69°FSunny0%SSW 10 mph
Wed 1 PM72°FSunny0%SSW 10 mph
Wed 2 PM74°FSunny0%SSW 10 mph
Wed 3 PM74°FSunny0%SSW 10 mph
Wed 4 PM74°FSunny1%SSW 10 mph
Wed 5 PM72°FSunny1%S 10 mph
Wed 6 PM70°FPartly Cloudy1%S 10 mph
Wed 7 PM67°FMostly Clear1%S 10 mph
Wed 8 PM66°FMostly Clear1%S 10 mph
Wed 9 PM65°FMostly Clear1%S 10 mph
Wed 10 PM64°FMostly Clear1%S 10 mph
Wed 11 PM63°FMostly Clear1%S 10 mph
Thu 12 AM62°FMostly Clear1%SSW 10 mph
Thu 1 AM62°FMostly Clear1%SSW 10 mph
Thu 2 AM62°FPartly Cloudy2%SSW 10 mph
Thu 3 AM62°FPartly Cloudy2%SSW 10 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Blue Island can differ.

7-day forecast

Overnight

Low 53°F

Partly cloudy, with a low around 53. South wind 0 to 5 mph.

Wednesday

High 74°F·Low 60°F

Sunny. High near 74, with temperatures falling to around 72 in the afternoon. South southwest wind 0 to 10 mph, with gusts as high as 20 mph.

Wednesday Night: Partly cloudy, with a low around 60. South southwest wind around 10 mph, with gusts as high as 20 mph.

Thursday

High 71°F·Low 48°F

A chance of rain showers before 2pm. Partly sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday Night: Mostly clear, with a low around 48. North wind around 5 mph, with gusts as high as 10 mph.

Friday

High 65°F·Low 52°F

Mostly sunny, with a high near 65.

Friday Night: A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 52.

Saturday

High 63°F·Low 52°F

A chance of showers and thunderstorms. Mostly cloudy, with a high near 63.

Saturday Night: A slight chance of rain showers. Mostly cloudy, with a low around 52.

Sunday

High 68°F·Low 53°F

A chance of rain showers. Mostly cloudy, with a high near 68.

Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 53.

Monday

High 67°F·Low 54°F

A chance of rain showers. Mostly cloudy, with a high near 67.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 54.

Tuesday

High 67°F

Rain showers likely. Mostly cloudy, with a high near 67.

Nearby cities

Larger cities in the area

Other cities in Cook County

See every city we cover in Illinois, or check all active alerts.

About this forecast

Forecast office
Blue Island is served by the National Weather Service LOT forecast office, forecast zone ILZ104, county zone ILC031.
Location used
The Census Bureau's internal point for Blue Island (41.6576, -87.6811), in Cook County. Population: 21,805 (2024 estimate), number 112 of the 121 Illinois cities on this site.
Radar
Nearest NWS radar: KLOT. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/41.6576,-87.6811 (forecast issued Oct 28, 3:35 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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