Illinois · NWS LOT office

Calumet City, IL weather

It is 54°F and cloudy at Lansing Municipal Airport as of Oct 28, 7:15 AM CDT. Today: Sunny, high near 74°F, 1% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 3:35 AM CDT.

Updated Oct 28, 7:26 AM CDT (snapshot)

Current conditions

Temperature

54°F

Cloudy

Wind

Calm

Humidity 82% · dew point 48°F

Pressure · visibility

30.23 inHg

Visibility 10 mi

Observed at Lansing Municipal Airport (KIGQ), Oct 28, 7:15 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Calumet City forecast zone right now.

Around the NWS LOT forecast area

No active alerts in zones served by the LOT office near Calumet City.

From the alert snapshot of Oct 28, 2026, 8:14 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 Calumet City (local time)
TimeTempForecastPrecip. chanceWind
Wed 7 AM52°FMostly Sunny1% 0 mph
Wed 8 AM53°FSunny1%S 5 mph
Wed 9 AM57°FSunny1%S 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 PM69°FPartly Cloudy1%S 10 mph
Wed 7 PM66°FMostly Clear1%S 5 mph
Wed 8 PM64°FMostly Clear1%S 10 mph
Wed 9 PM63°FMostly Clear1%S 10 mph
Wed 10 PM63°FMostly Clear1%S 10 mph
Wed 11 PM62°FMostly Clear1%S 10 mph
Thu 12 AM61°FPartly Cloudy1%SSW 10 mph
Thu 1 AM61°FPartly Cloudy1%SSW 10 mph
Thu 2 AM61°FPartly Cloudy2%SSW 10 mph
Thu 3 AM61°FMostly Cloudy2%SSW 10 mph
Thu 4 AM60°FMostly Cloudy4%SSW 10 mph
Thu 5 AM60°FMostly Cloudy6%SSW 10 mph
Thu 6 AM59°FMostly Sunny12%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 Calumet City can differ.

7-day forecast

Today

High 74°F·Low 59°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.

Tonight: Partly cloudy, with a low around 59. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

High 71°F·Low 48°F

A chance of rain showers between 7am and 3pm. Partly sunny. High near 71, with temperatures falling to around 68 in the afternoon. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

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

Friday

High 64°F·Low 51°F

Mostly sunny, with a high near 64. East northeast wind 0 to 5 mph.

Friday Night: A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

Saturday

High 63°F·Low 51°F

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

Saturday Night: A slight chance of rain showers. Cloudy, with a low around 51.

Sunday

High 68°F·Low 52°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 52.

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 68°F·Low 51°F

Rain showers likely. Mostly cloudy, with a high near 68.

Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 51.

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
Calumet City is served by the National Weather Service LOT forecast office, forecast zone ILZ105, county zone ILC031.
Location used
The Census Bureau's internal point for Calumet City (41.5965, -87.5386), in Cook County. Population: 34,855 (2024 estimate), number 53 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/41.5965,-87.5386 (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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