Weather news for Arlington Heights tonight includes a low of 1°F at about 8 a.m. and a Wind Chill of about -17°F from 5 a.m. until 8 a.m. The Fox River is a rough border for the West suburbs and Northwest suburbs for the difference between a Wind Chill Advisory and no Wind Chill Advisory. St. Charles has a Wind Chill Advisory with a forecast low of 0°F and a forecast Wind Chill of -18°F. Crystal Lake has Wind Chill Advisory with a forecast low of -1°F and a forecast Wind Chill of -19°F. In Arlington Heights, Friday’s high won’t make the teens, but temperatures will rise overnight and reach the mid-20’s Saturday. We could get over one inch of snow on Saturday.
Tonight
Occasional snow before midnight. Low around 1. Wind chill values as low as -17. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 11. Wind chill values as low as -17. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Snow likely, mainly after midnight. Cloudy, with a temperature falling to near 9 by 8pm, then rising to around 14 during the remainder of the night. Wind chill values as low as -3. West southwest wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 50 percent chance of snow, mainly before noon. Cloudy, with a high near 25. West wind around 5 mph.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. West wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 15.
Monday
A chance of snow. Mostly cloudy, with a high near 27.
Monday Night
Cloudy, with a low around 22.
Tuesday
A chance of snow. Mostly cloudy, with a high near 30.
Tuesday
Night Mostly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 32.