A quick snowfall of 3.7″ is forecast for Arlington Heights and nearby communities Monday February 5, 2018 with light snow and flurries beginning at 12 PM and increasing in intensity about 3PM. Snow accumulation is expected to be 2.1 inches by 6 PM, and will negatively affect the evening rush hour. Winds will be 6-8 MPH from the southwest for most of the snow system.
The snow-to-liquid ratio is expected to be dry at 16-17:1, and possibly as high has 25:1 (very dry fluffy snow). The high temperature of 17°F is expected hold from 2 PM to 9 PM. Air temperature is expected to fall to 15°F to 14°F by 11 PM monday when the snow ends.
DIY shovelers who wait until Tuesday morning after dawn will face7°F air temperatures and a -3°F wind chill with NW winds 6 MPH from 5 AM to 7 AM. Sunrise Tuesday morning is 6:59 a.m.
Snow will overspread nrn IL & NW IN early to mid afternoon and continue through late eve. Snow will be moderate to heavy at times with half pic.twitter.com/vEVLlEUf0D
— NWS Chicago (@NWSChicago) February 5, 2018
Deeper snow is forecast for the southwest suburbs and far west suburbs, including Aurora, Joliet, Naperville. The close edge of deeper snow if expected along a line from Joliet to Rockford, and Joliet to Pontiac, and then west to the Mississippi River.
Today: Snow, mainly after 2pm. High near 17. Wind chill values as low as -15. Southwest wind 5 to 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight: Snow, mainly before 9pm. Low around 6. Wind chill values as low as -3. South southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday: Increasing clouds, with a high near 19. Wind chill values as low as -3. Northwest wind around 5 mph becoming east northeast in the afternoon.
Tuesday Night: Snow likely, mainly after midnight. Cloudy, with a low around 13. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 24. West northwest wind 5 to 10 mph.
Winter Weather Advisory
URGENT – WINTER WEATHER MESSAGE
National Weather Service Chicago IL
302 AM CST Mon Feb 5 2018
…More accumulating snow Monday afternoon and evening with
hazardous travel during the evening commute likely…
Including the cities of Rockford, Belvidere, Woodstock, Waukegan,
Oregon, Dixon, DeKalb, Aurora, Elgin, Wheaton, Chicago, Ottawa,
Oswego, Morris, and Joliet
302 AM CST Mon Feb 5 2018
…WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
MIDNIGHT CST TONIGHT…
* WHAT…Snow expected. Plan on slippery road conditions,
including during the evening commute. Total snow accumulations
of 3 to 6 inches are expected.
* WHERE…Portions of north central and northeast Illinois.
* WHEN…From noon today to midnight CST tonight.
* ADDITIONAL DETAILS…Be prepared for reduced visibilities at
A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.
Chicago Weather Forecast for your MAC/PC/TABLET includes surrounding suburbs.
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#Snowstorms are rolling into the Midwest bringing 1-3", but #Chicago and #DesMoines could see a band of 3-5". It's quick-hitting so we're keeping an eye on travel conditions in the area. AMHQ has the latest from now until 9aET. pic.twitter.com/l7WHy4GUHj
— AMHQ (@AMHQ) February 5, 2018