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Weather Conditions for Near South Side, Illinois : Cook County
Issued: 5:45 am CDT Sep 16, 2026 Latitude: 41.8566999 Longitude: -87.6247738 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
70% chance of rain on Today 40% chance of thunderstorms on Tonight 40% chance of rain on Thursday 20% chance of  on Friday 80% chance of thunderstorms on Saturday 20% chance of rain on Sunday 20% chance of rain on Monday 20% chance of  on Tuesday
High: 73°F Low: 68°F High: 75°F High: 74°F High: 81°F High: 74°F High: 73°F High: 73°F
Low: 66°F Low: 65°F Low: 65°F Low: 63°F Low: 62°F  
Rain Thunderstorms Rain Partly Sunny Thunderstorms Rain Rain Partly Sunny

Hourly forecast

Near South Side, il · Next 24 hours · Eastern time (EST/EDT)

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Current Conditions at
CHICAGO-MIDWAY - (KMDW)
66°
Mostly Cloudy
as of 5:53 AM CDST
Rel. Humidity: 68%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Broken at 25000ft
Current Conditions at
CHICAGO-OHARE - (KORD)
66°
Mostly Cloudy
as of 5:51 AM CDST
Rel. Humidity: 68%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
9 MPH
210° Southwest
Cloud Level(s): Broken at 25000ft
Current Conditions at
GARY - (KGYY)
64°
Clear
as of 5:50 AM CDST
Rel. Humidity: 100%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Clear
70% chance of rain Today Today... Showers likely, mainly before 10am. Cloudy, with a high near 73. North northeast wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

40% chance of thunderstorms Tonight Tonight... A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 68. North northeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 40%.

40% chance of rain Thursday Thursday... A 40 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 75. West southwest wind 5 to 10 mph becoming north northeast in the afternoon.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 66. North northeast wind 5 to 10 mph.

20% chance of  Friday Friday... A 20 percent chance of showers after 1pm. Partly sunny, with a high near 74. East wind around 10 mph, with gusts as high as 15 mph.

60% chance of thunderstorms Friday Night Friday Night... Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

80% chance of thunderstorms Saturday Saturday... Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.

20% chance of thunderstorms Saturday Night Saturday Night... Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 65.

20% chance of rain Sunday Sunday... A chance of showers. Cloudy, with a high near 74.

Rain on Sunday Night Sunday Night... Showers likely, mainly after 1am. Cloudy, with a low around 63.

20% chance of rain Monday Monday... A chance of showers. Mostly cloudy, with a high near 73.

20% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 62.

20% chance of  Tuesday Tuesday... A chance of showers. Partly sunny, with a high near 73.

Illinois' Warnings, Watches, and AdvisoriesIllinois' Watches, Warnings, and Advisories

Sun Almanac for Near South Side, Illinois
Astronomical Sunrise 17:27 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 18:00 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 18:32 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 19:00 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: -1 Hours 14 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 06:14 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 06:42 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 07:14 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 07:47 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 0 Hours 10 Minutes
Nautical Rise to Set: 1 Hours 14 Minutes
Astro Rise to Set: 2 Hours 20 Minutes

Click for yearly Sun Almanac for Near South Side
Moon Almanac for Near South Side, Illinois
Moon Phase: Waxing Crescent
Moon Illumination: 4%
Moon Age: 1.78 Days
Moon is currently below the horizon
Distance from Moon to Earth: 246,494 miles
Upcoming Lunar Events for
Near South Side:
Next EventEvent TimeIllum

Moonrise:10:15 am Mon3.9%
High Moon:03:07 pm Mon4.7%
Moonset:07:52 pm Mon5.6%
New Moon: Sat Oct 10
First Quarter: Sun Oct 18
Full Moon: Mon Oct 26
Last Quarter: Sun Nov 1
New Moon: Mon Nov 9
Click for Monthly Moon Almanac