National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

43°F

6°C

Humidity 50%
Wind Speed SE 7 mph
Barometer 30.19 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 25 Mar 1:55 am CDT
Extended Forecast for

Oak Forest IL

  • Overnight

    Overnight: Partly cloudy, with a low around 39. South southeast wind around 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 55. South southwest wind 5 to 10 mph.

    Low: 55 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 78. Breezy, with a south southwest wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

    High: 78 °F

    Mostly Sunny
    then T-storms
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 32. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 32 °F

    Breezy.
    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. South southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 70. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 55. South southwest wind 5 to 10 mph.
Thursday
Showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 78. Breezy, with a south southwest wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 32. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 72.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oak Forest IL
 41.6°N 87.75°W
Last Update:
1:15 am CDT Mar 25, 2026
Forecast Valid:
2am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation