7-Day Forecast 42.09°N 87.98°W (Text-Only)
NWS Forecast for: Arlington Heights IL
Issued by: National Weather Service Chicago, IL
Last Update: 12:06 am CST Nov 8, 2025


Overnight: A 30 percent chance of showers, mainly after 5am. Cloudy, with a low around 43. North wind around 10 mph.

Saturday: A chance of showers before noon, then rain, mainly after noon. High near 45. East northeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night: Rain, possibly mixed with snow before 3am, then a slight chance of snow. Low around 30. East wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Sunday: A slight chance of snow before noon, then a slight chance of snow showers after noon. Mostly sunny, with a high near 36. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

Sunday Night: A 40 percent chance of snow showers. Partly cloudy, with a low around 24. North northwest wind around 15 mph, with gusts as high as 25 mph.

Monday: A 30 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 37.

Monday Night: Partly cloudy, with a low around 26.

Veterans Day: Mostly cloudy, with a high near 46.

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

Wednesday: Mostly sunny, with a high near 51.

Wednesday Night: Mostly clear, with a low around 34.

Thursday: Sunny, with a high near 50.

Thursday Night: Partly cloudy, with a low around 33.

Friday: Mostly sunny, with a high near 54.



Arlington Heights IL
 42.09°N 87.98°W

Visit your local NWS office at: https://www.weather.gov/lot