AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT
The Illinois Environmental Protection Agency has determined that an
air pollution action day continues for the greater Chicago
Metropolitan Area and is in effect until midnight CDT Thursday night. The Air Quality Alert is in effect for the following county areas: McHenry, Lake IL, Kane, DuPage, Kendall, Grundy, Northern Cook, Central Cook, Southern Cook, Northern Will, Southern Will, and Eastern Will.
An air pollution action day is declared when weather conditions are
such that widespread ozone and or particulate levels are expected to be at or above the unhealthy for sensitive groups category of the air quality index.
Active children and adults especially people with pulmonary or
respiratory disease such as asthma should limit prolonged outdoor
Area residents are urged to reduce pollution levels. Air quality forecasts and tips on how you can reduce your emissions can be found at www.airnow.gov … reporting Ozone 90 and PM2.5 64 — both moderate.
Chicagoland is in a stagnant air mass and under a ridge that is wedged between deep troughing over the northern Rockies and a stalled mid-level Low over the Mid-Atlantic states. Humidity is low and a lake breeze will exist near Lake Michigan, keeping comfort levels good. At 1:51 p.m. at O’Hare International Airport, the NWS reported the heat index (84°F) was lower than the air temperature (86°F) with a humidity of 29%.
Warm weather will continue into the weekend, though it will be a little cooler near the lakeshore today and Thursday. Thunderstorm chances will gradually increase Friday through Saturday, with the highest chances Saturday afternoon into Saturday night. #ILwx #INwx pic.twitter.com/uFtOkZqjMV
— NWS Chicago (@NWSChicago) June 17, 2020
O’HARE FORECAST …
This Afternoon: Mostly sunny, with a high near 87. East southeast wind around 10 mph, with gusts as high as 15 mph.
Tonight: Mostly clear, with a low around 64. East wind 5 to 10 mph becoming light east southeast in the evening.
Thursday: Sunny, with a high near 89. Light southeast wind becoming east 5 to 10 mph in the morning.
Thursday Night: Mostly clear, with a low around 68. East wind 5 to 10 mph becoming light and variable in the evening.
Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Light south southwest wind becoming south 5 to 10 mph in the morning.
Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
Saturday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70.
Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
LAKE TEMPS …
SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT Wed Jun 17 2020
LAKE MICHIGAN WATER TEMPERATURES…
WINTHROP HARBOR BUOY……….62.
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.
^^ MOBILE? USE VOICE MIC ^^
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