2026-03-15T04:31:22-05:00 current observations and forecast Chicago, IL https://www.weather.gov/lot https://www.nws.noaa.gov/forecasts/xml/ point1 Chicago Heights, IL Chicago Heights 650 https://forecast.weather.gov/MapClick.php?lat=41.51&lon=-87.64 k-p6h-n1-1 2026-03-15T06:00:00-05:00 2026-03-15T11:07:54-05:00 k-p12h-n13-1 2026-03-15T06:00:00-05:00 2026-03-15T18:00:00-05:00 2026-03-16T06:00:00-05:00 2026-03-16T18:00:00-05:00 2026-03-17T06:00:00-05:00 2026-03-17T18:00:00-05:00 2026-03-18T06:00:00-05:00 2026-03-18T18:00:00-05:00 2026-03-19T06:00:00-05:00 2026-03-19T18:00:00-05:00 2026-03-20T06:00:00-05:00 2026-03-20T18:00:00-05:00 2026-03-21T06:00:00-05:00 k-p24h-n7-1 2026-03-15T06:00:00-05:00 2026-03-16T06:00:00-05:00 2026-03-17T06:00:00-05:00 2026-03-18T06:00:00-05:00 2026-03-19T06:00:00-05:00 2026-03-20T06:00:00-05:00 2026-03-21T06:00:00-05:00 k-p24h-n6-2 2026-03-15T18:00:00-05:00 2026-03-16T18:00:00-05:00 2026-03-17T18:00:00-05:00 2026-03-18T18:00:00-05:00 2026-03-19T18:00:00-05:00 2026-03-20T18:00:00-05:00 Daily Maximum Temperature 64 25 26 44 55 60 52 Daily Minimum Temperature 24 12 21 34 37 38 12 Hourly Probability of Precipitation 60 100 70 20 60 20 Weather Type, Coverage, Intensity Conditions Icon https://forecast.weather.gov/DualImage.php?i=tsra&j=shra&ip=40&jp=60 https://forecast.weather.gov/DualImage.php?i=nshra&j=nrasn&ip=100&jp=60 https://forecast.weather.gov/newimages/medium/sn70.png https://forecast.weather.gov/newimages/medium/nsn20.png https://forecast.weather.gov/newimages/medium/sct.png https://forecast.weather.gov/DualImage.php?i=nsn&j=nsn&ip=20&jp=60 https://forecast.weather.gov/newimages/medium/sn20.png https://forecast.weather.gov/newimages/medium/nbkn.png https://forecast.weather.gov/newimages/medium/sct.png https://forecast.weather.gov/newimages/medium/nbkn.png https://forecast.weather.gov/newimages/medium/bkn.png https://forecast.weather.gov/newimages/medium/nbkn.png https://forecast.weather.gov/newimages/medium/sct.png Watches, Warnings, and Advisories https://forecast.weather.gov/showsigwx.php?warnzone=ILZ105&warncounty=ILC031&firewxzone=ILZ014&local_place1=Chicago+Heights+IL&product1=Wind+Advisory Watches, Warnings, and Advisories https://forecast.weather.gov/showsigwx.php?warnzone=ILZ105&warncounty=ILC031&firewxzone=ILZ014&local_place1=Chicago+Heights+IL&product1=Hazardous+Weather+Outlook Text Forecast A chance of showers and thunderstorms between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 64. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Rain showers before 2am, then rain and snow showers likely between 2am and 3am, then snow showers likely after 3am. Some thunder is also possible. Patchy blowing snow after 4am. Low around 24. Breezy, with a south southwest wind around 25 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible. Snow showers likely, mainly between 7am and 1pm. Patchy blowing snow. Cloudy, with a temperature falling to around 24 by 9am. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible. A 20 percent chance of snow showers before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 12. Wind chill values as low as -1. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph. Mostly sunny, with a high near 26. West northwest wind around 10 mph, with gusts as high as 20 mph. Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%. A 20 percent chance of snow showers before 1pm. Partly sunny, with a high near 44. Mostly cloudy, with a low around 34. Mostly sunny, with a high near 55. Mostly cloudy, with a low around 37. Mostly cloudy, with a high near 60. Mostly cloudy, with a low around 38. Mostly sunny, with a high near 52. point1 Lansing Municipal Airport, IL 607 https://www.nws.noaa.gov/data/obhistory/KIGQ.html k-p1h-n1-1 2026-03-15T11:07:54-00:00 NA NA NA Weather Type, Coverage, Intensity NA Conditions Icon NULL NA NA NA NA