Weather WorldArrowhead School, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Arrowhead School, IL Weather Forecast
Arrowhead School, IL Weather Forecast Date: 546 AM CDT Tue Oct 20 2026
The area/counties/county of: Southern Cook, including the cities of: Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest.or toggle through each period.
Today... Sunny. Patchy dense fog early in the morning. Highs in the upper 60s. Light and variable winds, becoming east 5 to 10 mph in the afternoon.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Patchy dense fog late. Lows in the mid 40s. East winds around 5 mph in the evening, becoming light and variable.
Wednesday... Mostly sunny. Patchy dense fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northwest around 5 mph in the afternoon.
Wednesday Night... Mostly clear. Lows in the upper 40s. Light and variable winds.
Thursday... Mostly sunny. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.
Thursday Night... Clear. Lows in the upper 40s.
Friday... Mostly sunny. Highs in the upper 60s.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.
Saturday... Partly cloudy. Highs in the upper 60s.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
Sunday... Mostly cloudy. Highs in the lower 70s.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
Arrowhead School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...