News Headlines
- This week is Severe Weather Preparedness Week in Illinois! Click here for more details and safety info!
- February 2026 and Meteorological Winter 2025-26 Climate Summaries
- Spring Seminars and Virtual Spotter Training: Click Here for More Information!
- Spring Flood Outlook: Below average to near average flood risk for area river basins
| NWS Forecast for: Chicago Heights IL Issued by: National Weather Service Chicago, IL Last Update: 10:51 am CST Mar 4, 2026 | |
Today: A 20 percent chance of showers. Cloudy, with a steady temperature around 45. East wind around 5 mph, with gusts as high as 10 mph. Tonight: A chance of showers with a slight chance of drizzle before midnight, then showers likely, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 42. East northeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible. Thursday: Showers and possibly a thunderstorm before noon, then a chance of showers. Areas of fog. High near 51. East northeast wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Thursday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 44. North wind around 5 mph becoming calm. Friday: A slight chance of showers before 9am, then showers likely and possibly a thunderstorm between 9am and 3pm, then a slight chance of showers after 3pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 73. South southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Friday Night: Showers likely, then showers and possibly a thunderstorm after midnight. Low around 53. Chance of precipitation is 90%. Saturday: A 40 percent chance of showers before noon. Mostly cloudy, with a high near 61. Saturday Night: Mostly clear, with a low around 37. Sunday: Mostly sunny, with a high near 60. Sunday Night: Mostly clear, with a low around 43. Monday: Sunny, with a high near 69. Monday Night: A chance of showers. Mostly clear, with a low around 56. Tuesday: Showers likely. Partly sunny, with a high near 70. Breezy. | |
| Chicago Heights IL 41.51°N 87.64°W | |
Visit your local NWS office at: https://www.weather.gov/lot |




