A total of 1.5 inches of new light snow fell from Monday just before 7:45 a.m. until Tuesday about 2:15 a.m. in Arlington Heights. Snow was considerably wetter after 1:00 pm. Monday, and mixed with sleet. Small amounts of ice accumulated on the pavement by 6:00 p.m. Monday. Snow cover at 7:00 a.m. Tuesday was 4.5 inches in Arlington Heights. Accumulation on pavement was 1.5 inches of snow. The final wet snow and sleet made snow very wet and heavy — especially for snow shoveling.
At 7:00 a.m. precipitation is east of northwest Indiana, and moving northeast as rain. The snow line is located in south-central Michigan.
Chicago Executive Airport
Lat: 42.11 Lon: -87.9 Elev: 646
Last Update on Jan 18, 6:52 am CST
Humidity: 88 %
Wind Speed: N 10 MPH
Barometer: 29.76″ (1008.2 mb)
Dewpoint: 29 °F (-2 °C)
Wind Chill: 24 °F (-4 °C)
Visibility: 2.50 mi.
FORECAST TODAY (as of TUE JAN 18, 7:00 AM CST) …
Today: A chance of snow showers before 9am, then a chance for flurries. Cloudy, with a temperature falling to around 21 by 5pm. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight: A 20 percent chance of snow. Cloudy, with a low around 12. Wind chill values as low as 1. North northwest wind between 10 and 15 mph, with gusts as high as 20 mph.
Wednesday: Partly sunny, with a high near 20. Wind chill values as low as zero. North northwest wind between 5 and 10 mph, with gusts as high as 15 mph.
Wednesday Night: A 30 percent chance of snow after midnight. Cloudy, with a low around 11. Wind chill values as low as zero. Northwest wind around 5 mph.
Thursday: A 40 percent chance of snow. Cloudy, with a high near 21. Northwest wind between 5 and 10 mph.
Thursday Night: A chance of snow showers before midnight, then a chance for flurries. Mostly cloudy, with a low around -3. Chance of precipitation is 30%.
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