A total of 10 inches of new snow fell from Monday 11:30 p.m. through Wednesday at 3:00 a.m. in Arlington Heights. The new snow that fell overnight Monday to Tuesday was light and fluffy/medium dry. The snow is a little wetter than past snows, but is not ‘wet snow’. Snow cover at 3:00 a.m. Wednesday was 12.0 inches in Arlington Heights.
O’Hare International Airport weather observers reported a 12.6 inch snowfall on February 9, 2010 — the greatest calendar day snowfall since 18.6 inches was recorded on January 2, 1999. Last year 12 inches of snow fell, but over a 2-day period — January 9-10, 2009.
The barometer is rising. The low pressure has passed and remaining snow difficulties will occur with blowing snow and lake effect snow.
Winter Storm Warning in effect until 9 am CST Wednesday…
CURRENT CONDITIONS …
Chicago Executive Airport
Lat: 42.11 Lon: -87.9 Elev: 646
Last Update on Feb 10, 2:52 am CST
Light Snow
24 °F
(-4 °C)
Humidity: 81 %
Wind Speed: NW 18 G 25 MPH
Barometer: 29.85″ (1011.5 mb)
Dewpoint: 19 °F (-7 °C)
Wind Chill: 10 °F (-12 °C)
Visibility: 3.00 mi.
FORECAST TODAY (as of February 9, 2010 at 3:00 AM CT) …
Overnight: Snow and widespread blowing snow. Low around 21. Blustery, with a north northwest wind between 20 and 25 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Wednesday: Areas of blowing snow before 9am. Mostly cloudy, with a high near 23. Blustery, with a north northwest wind between 15 and 25 mph, with gusts as high as 30 mph.
Wednesday Night: Partly cloudy, with a low around 12. Wind chill values as low as -1. Northwest wind between 10 and 15 mph.
Thursday: Mostly sunny, with a high near 26. Wind chill values as low as -1. West northwest wind between 5 and 10 mph.
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