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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Oak Forest IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 44. East southeast wind around 10 mph, with gusts as high as 15 mph.

    High: 44 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Cloudy, with a low around 39. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Cloudy then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 63. Breezy, with a south wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers before midnight, then rain showers, possibly mixed with sleet between midnight and 1am, then snow after 1am. Patchy blowing snow after 4am. Low around 23. Windy, with a south southwest wind 20 to 30 mph becoming northwest after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of around an inch possible.

    Low: 23 °F

    Showers and
    Breezy then
    Wintry Mix
    and Patchy
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. Patchy blowing snow. High near 26. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%.

    High: 26 °F

    Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around 12. Blustery.

    Low: 12 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 44. East southeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 10 percent chance of showers after 5am. Cloudy, with a low around 39. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 63. Breezy, with a south wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain showers before midnight, then rain showers, possibly mixed with sleet between midnight and 1am, then snow after 1am. Patchy blowing snow after 4am. Low around 23. Windy, with a south southwest wind 20 to 30 mph becoming northwest after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of around an inch possible.
Monday
Snow, mainly before 1pm. Patchy blowing snow. High near 26. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%.
Monday Night
A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around 12. Blustery.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oak Forest IL
 41.6°N 87.75°W
Last Update:
1:21 pm CDT Mar 14, 2026
Forecast Valid:
2pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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