NWS Forecast for Buffalo Grove IL

National Weather Service Forecast for: Buffalo Grove IL
Issued by: National Weather Service Chicago, IL

Updated: 7:16 pm CST Feb 2, 2026

Tonight Chance Snow	Tuesday Mostly Sunny	Tuesday Night Partly Cloudy	Wednesday Mostly Sunny	Wednesday Night Partly Cloudy	Thursday Mostly Cloudy	Thursday Night Mostly Cloudy then Slight Chance Snow	Friday Partly Sunny	Friday Night Partly Cloudy
Lo 16 °F	Hi 25 °F	Lo 10 °F	Hi 26 °F	Lo 12 °F	Hi 32 °F	Lo 27 °F	Hi 37 °F	Lo 11 °F

Hazardous Weather Outlook

Tonight	A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 16. North northwest wind around 5 mph.
Tuesday	Mostly sunny, with a high near 25. North wind 5 to 10 mph.
Tuesday Night	Partly cloudy, with a low around 10. North northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday	Mostly sunny, with a high near 26. Northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night	Partly cloudy, with a low around 12. West northwest wind around 5 mph.
Thursday	Mostly cloudy, with a high near 32.
Thursday Night	A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.
Friday	Partly sunny, with a high near 37.
Friday Night	Partly cloudy, with a low around 11.
Saturday	Mostly sunny, with a high near 26.
Saturday Night	Mostly cloudy, with a low around 13.
Sunday	Mostly sunny, with a high near 30.
Sunday Night	Partly cloudy, with a low around 16.
Monday	Partly sunny, with a high near 35.

Forecast from NOAA-NWS for Buffalo Grove IL.