Weather overnight Friday/Saturday, January 05/06, 2024.
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Light is snow expected to arrive in Arlington Heights around midnight Friday/Saturday and continue into Saturday.
Regarding hazardous weather potential, there is a limited snow hazard risk overnight Friday to Saturday. Snow will move over the region Friday night, with the highest coverage near Interstate 55. Accumulations of 1-3 inches will likely lead to slick travel into Saturday morning.
Special Weather Statement issued January 06 at 2:29AM CST by NWS: …Slick Travel in Snow Continues Through Daybreak… Steady snowfall continues early this morning with additional accumulations of up to 1 to 2 inches expected. Area roadways have become party to mostly covered in snow, especially for locales along and between the I-39 and I-55 corridors in Illinois. Elsewhere, snowfall will coat bridges, overpasses, and untreated surfaces.
Special Weather Statement issued January 05 at 10:50PM CST by NWS: …Slick Travel Developing Tonight… An initial burst of snow will continue developing northward across the region late this evening, with additional steady snowfall expected overnight. This initial burst of snow will move across I-90 through 1130 to midnight and the Wisconsin state line through 1 am. Snowfall will coat bridges, overpasses, and untreated
The forecast for Arlington Heights is 1.3 inches between 12:00 a.m. Saturday and noon Saturday. Then an additional 0.1 inch is expected with intermittent snow showers between noon Saturday and 12:00 a.m. Sunday.
A strong winter storm system with an uncertain storm track is still in the forecast for Monday night into Tuesday and Wednesday.
Weather Radar shows precipitation moving north-northeast toward Chicagoland from north central Illinois, central Illinois and southern Illinois.
See also Arlingtoncardinal.com/clouds
Slick travel conditions are expected through mid-morning as snow continues across the area. Roads are mostly covered in snow along/between I-39 and I-57, including the I-55 corridor, where 2-4 inches of snow has already fallen! #ILwx #INwx pic.twitter.com/GUlMchHSaF
— NWS Chicago (@NWSChicago) January 6, 2024
Snow is spreading into the area late this evening and should become widespread overnight. The snow will accumulate on roads, especially on elevated, untreated, or less-traveled roads, so expect slick travel if driving tonight. #ilwx #inwx pic.twitter.com/g598p5SKMU
— NWS Chicago (@NWSChicago) January 6, 2024
A round of snow is expected tonight into Saturday. Accumulations in the 1 to 3 inch range are expected with the highest amounts near the I-55 corridor. Prepare for slippery travel and reduced visibilities Saturday AM. #ILwx #INwx pic.twitter.com/ZxP8e6GZPD
— NWS Chicago (@NWSChicago) January 5, 2024
Snow is expected to develop overnight thru mid-Sat AM. 1-2" for most areas, locally up to 3" around the I-55 corridor thru Sat AM with intermittent waves of light snow through Sun AM. The next system approaches Monday night. #ILwx #INwx pic.twitter.com/Me26hkwdtn
— NWS Chicago (@NWSChicago) January 5, 2024
O’HARE FORECAST …
Friday Night: Snow, mainly after 3am. Low around 29. East southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Saturday: Snow, mainly before noon. Patchy fog after noon. High near 33. East southeast wind around 5 mph becoming calm. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Saturday Night: A 20 percent chance of snow. Patchy fog before midnight. Otherwise, cloudy, with a low around 31. West wind around 5 mph, with gusts as high as 15 mph.
Sunday: A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 36. West wind 5 to 10 mph.
Sunday Night: Mostly cloudy, with a low around 29. West wind around 5 mph becoming calm in the evening.
Monday: Mostly cloudy, with a high near 39.
Monday Night: Snow, mainly after midnight. Low around 33. Chance of precipitation is 80%.
Tuesday: Rain and snow. Cloudy, with a high near 37. Breezy.
Tuesday Night: Snow likely, possibly mixed with rain before midnight, then a chance of snow. Cloudy, with a low around 29. Blustery.
Wednesday: Mostly cloudy, with a high near 34.
Wednesday Night: Mostly cloudy, with a low around 25.
Thursday: A chance of snow. Mostly cloudy, with a high near 32.
Thursday Night: A chance of snow. Mostly cloudy, with a low around 23.
Friday: A chance of snow. Mostly cloudy, with a high near 32.
LAKE TEMPS …
SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
901 AM CST Fri Jan 5 2024
LAKE MICHIGAN WATER TEMPERATURES…
CHICAGO SHORE………..39.
CHICAGO CRIB…………40.
MICHIGAN CITY………..39.
SOUTH MID LAKE BUOY…..43.
&&
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 THE WATER SURFACE. IT IS READ EVERY DAY OF THE YEAR.
january.chicagoweatherstation.com
Chicago Weather Forecast for your MAC/PC/TABLET includes surrounding suburbs.
^^ MOBILE? USE VOICE MIC ^^
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Area Forecast Discussion
National Weather Service
Chicago/Romeoville, IL
256 AM CST Sat Jan 6 2024
.SHORT TERM… Issued at 256 AM CST Sat Jan 6 2024
Through Sunday night…
Key Messages:
* Steady snowfall persists through daybreak with additional accumulations of up to 2 inches
* Intermittent poor quality snow is expected through this evening
* Fog may develop this afternoon and persist through the evening
After an impressive earlier start to the snow late in the evening which yielded 1″ of snow here at our office in Romeoville, steadier snow has since expanded in coverage across much of the area, with the exception being northwest Indiana where dry air continues to win out. An axis of higher rates up to 0.5″ per hour is centered along I-55, including areas generally between I-39 and I-57 and south of I-88. By daybreak these locales could have upwards of 3-4″ of snow on the ground with lesser amounts outside of this region. Where temperatures have fallen below freezing snow has readily accumulated on pavement, creating hazardous travel conditions. This has been messaged via a Special Weather Statement that was recently updated that goes through 7 am CT. If you have to be out on the road through daybreak this morning plan on increased travel times and slick conditions.
Intermittent light snow is expected to continue through the morning hours as the trailing vort max moves overhead, especially north of I-80 and east of I-39. There is a weak signal for localized lake enhancement which could result in an additional 1 inch of snow in those areas. Otherwise the overall character of the snow becomes poorer quality (snow grains/flurries) as mid- level drying pivots overhead off and on through the evening. The poorer quality snow and temperatures warming above freezing will limit any additional accumulation for most areas. Toward this evening a trailing 700 mb vort moves east across central Illinois which could bring additional chances (30-40 percent) for snow, mainly south of I-80.
The other weather message of the day is the potential for reduced visibility in fog. Winds become light and variable today as the center of a weak surface low moves overhead. With increased low-level moisture and fresh snowfall, suspect that fog will begin to develop by this afternoon and continue into the evening where any melting occurs. The coverage may be dependent on how warm temperatures get and the degree of melting for localized higher dewpoints.
Cloud depths begin to narrow heading into Sunday which should help reduce the potential for snow though a few spotty snow showers/flurries can`t be ruled out through early afternoon (10% chance). Highs will be a tad warmer in the mid 30s.
— NWS Chicago/Petr