Arlington Heights and nearby northwest suburbs will likely be affected by about 1 inch of snow and slush by noon Tuesday, November 24, 2020.
A Winter Weather Advisory was issued at 8:34 p.m. in McHenry County and Kane County and counties west for the period from 2:00 a.m. to 10:00 a.m. Tuesday, November 24, 2020 where 2-3 inches of snow are forecast. Snowfall of 1.0 inch is forecast in Arlington Heights and nearby northwest suburbs. Snowfall in Arlington Heights is forecast to begin between 3 AM and 4 AM and continue until 11 AM. Wet snow will change to rain beginning about 10 AM. Steady rain is forecast to continue until about 6 PM Wednesday with a total rainfall amount of about 0.65 inch.
Snow may not accumulate significantly on paved surfaces and will likely turn slushy by noon Tuesday when temperatures will reach a high of about 41°F. Snow cover will melt away Tuesday and early Wednesday, and high temperatures in the low 50s are forecast for Wednesday, Thursday, and Friday.
Air temperature Monday night is a little colder than forecast for 9:52 p.m. NWS Chicago Executive Airport reported 34°F at 9:52 p.m. and NWS O’Hare reported 37°F. Cardinal News in Arlington Heights reported 26°F at 10:05 p.m.
Weather Radar) shows precipitation advancing as rain with the leading edge from Quad Cities to Peoria to Danville at 9:20 p.m.
Snow will spread northeast across the area overnight and is expected to fall moderately to briefly heavy at onset. With temps falling to around freezing during this time, higher snowfall rates will be capable of producing minor slushy accumulations on roadways. pic.twitter.com/dOWW2Um7b9
— NWS Chicago (@NWSChicago) November 24, 2020
*Prepare for snow to impact Tue AM commute, especially for interior nrn IL.* 1st widespread 1"+ amounts of season for parts of area. Impacts: slush on some roads & visibility <1 mi. Winter Weather Advisory parts of far W & NW #Chicago burbs out to DeKalb & #Rockford area. #ilwx pic.twitter.com/VLQy3ak6Lc
— NWS Chicago (@NWSChicago) November 23, 2020
— AccuWeather (@breakingweather) November 24, 2020
O’HARE FORECAST …
Tonight: Snow, mainly after 3am. Low around 33. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday: Snow before 10am, then rain and snow between 10am and noon, then rain after noon. High near 41. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night: Rain. Patchy fog after midnight. Temperature rising to around 43 by 11pm. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday: Rain, with thunderstorms also possible after noon. Patchy fog before noon. High near 52. South southeast wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 90%.
Wednesday Night: A 30 percent chance of rain before midnight. Cloudy, with a low around 43. Northeast wind around 5 mph becoming west northwest after midnight. Winds could gust as high as 10 mph.
Thanksgiving Day: Mostly cloudy, with a high near 51.
Thursday Night: Mostly cloudy, with a low around 39.
Friday: Mostly sunny, with a high near 51.
Friday Night: Mostly clear, with a low around 32.
Saturday: Sunny, with a high near 48.
Saturday Night: Partly cloudy, with a low around 35.
Sunday: A chance of rain. Partly sunny, with a high near 48.
Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 30.
Monday: A slight chance of rain and snow. Mostly sunny, with a high near 38.
LAKE TEMPS …
SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
910 AM CST Mon Nov 23 2020
LAKE MICHIGAN WATER TEMPERATURES…
SOUTH MID LAKE BUOY……….44.
NORTH MID LAKE BUOY……….48.
M IS FOR MISSING DATA THAT IS NORMALLY AVAILABLE.
THE MICHIGAN CITY WATER TEMPERATURE SENSOR IS LOCATED AT A WATER INTAKE ONE MILE OFFSHORE AND 60 FEET BELOW WATER SURFACE. IT IS READ EVERY DAY OF THE YEAR.
Chicago Weather Forecast for your MAC/PC/TABLET includes surrounding suburbs.
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