National Weather Service forecast

South Chicago Heights, Illinois Weather

61°Overnight: Rain Showers
Wind S 15 mph
7-DayHourlyRadar

South Chicago Heights 7-Day Forecast

  1. Overnight
    61°F
    Rain Showers
    82% chance of precipitation

    Rain showers. Cloudy. Low around 61, with temperatures rising to around 63 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

  2. Wednesday
    65°F
    Chance Rain Showers
    42% chance of precipitation

    A chance of rain showers before 1pm. Mostly cloudy. High near 65, with temperatures falling to around 56 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    48°F
    Mostly Cloudy
    10% chance of precipitation

    Mostly cloudy, with a low around 48. Southwest wind around 15 mph, with gusts as high as 25 mph.

  4. Thursday
    57°F
    Mostly Cloudy then Chance Rain Showers
    34% chance of precipitation

    A chance of rain showers after 1pm. Mostly cloudy, with a high near 57. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

  5. Thursday Night
    42°F
    Rain Showers Likely
    58% chance of precipitation

    Rain showers likely. Cloudy, with a low around 42. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

  6. Friday
    51°F
    Slight Chance Rain Showers then Mostly Cloudy
    22% chance of precipitation

    A slight chance of rain showers before noon. Mostly cloudy, with a high near 51. Chance of precipitation is 20%.

  7. Friday Night
    36°F
    Partly Cloudy
    6% chance of precipitation

    Partly cloudy, with a low around 36.

  8. Saturday
    51°F
    Mostly Sunny
    2% chance of precipitation

    Mostly sunny, with a high near 51.

  9. Saturday Night
    34°F
    Partly Cloudy

    Partly cloudy, with a low around 34.

  10. Sunday
    55°F
    Sunny
    5% chance of precipitation

    Sunny, with a high near 55.

  11. Sunday Night
    35°F
    Mostly Clear
    2% chance of precipitation

    Mostly clear, with a low around 35.

  12. Monday
    60°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 60.

  13. Monday Night
    40°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 40.

  14. Tuesday
    62°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 62.

Issued by the National Weather Service (LOT office), updated .

South Chicago Heights Hourly Forecast

Loading the next 48 hours…

Full 100+ hour forecast for South Chicago Heights

South Chicago Heights Weather Radar

Open the full radar for South Chicago Heights

About South Chicago Heights

Population (2020 Census)
4,026
Coordinates
41.483, -87.637
Elevation
705 ft
NWS forecast office
LOT
Time zone
America/Chicago
Sunrise today
6:25 AM CST
Sunset today
4:42 PM CST
Daylight today
10 h 17 min

South Chicago Heights Weather Questions

What is the weather forecast for South Chicago Heights, Illinois?

Overnight: Rain showers. Cloudy. Low around 61, with temperatures rising to around 63 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. Wednesday: A chance of rain showers before 1pm. Mostly cloudy. High near 65, with temperatures falling to around 56 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in South Chicago Heights this week?

The best chance of precipitation is Overnight at 82%. Periods with a 30% chance or more: Overnight (82%), Wednesday (42%), Thursday (34%), Thursday Night (58%).

How warm and how cold will it get in South Chicago Heights this week?

The warmest day is Wednesday, with a high near 65°F. The coldest night is Saturday Night, with a low near 34°F.

What time are sunrise and sunset in South Chicago Heights today?

Sunrise is at 6:25 AM CST and sunset is at 4:42 PM CST, for 10 h 17 min of daylight.

Weather near South Chicago Heights

Largest cities in Illinois

All Illinois cities