High 84, Partly Cloudy for Arlington Heights, Chicago Weather Forecast Northwest

GOES-East cloud cover on October 1, 2021 at 651AM CDT
GOES-East cloud cover on October 1, 2021 just after sunrise at 651AM CDT.

A strong omega block (a large scale rotating upward motion of air or Upward Vertical Velocity) centered over the Midwest will provide another day of seasonably warm and fair weather across northern Illinois and northwest Indiana today, according to the National Weather Service. The nice weather pattern is expected to break down over the weekend with more unsettled conditions. A cold front is forecast to approach Chicagoland on Sunday, but a period of scattered showers and thunderstorms could begin as early as Saturday about 1:00 p.m.

Areas near Lake Michigan will be limited to temperatures in the 70s while the rest of Chicagoland will enjoy another day of temperatures in the low 80s.

Weather Radar in northeast Illinois is clear at 7:00 a.m.

See also Arlingtoncardinal.com/clouds

Arlingtoncardinal.com/usweatherchart

 O’HARE FORECAST … 

Today: Sunny, with a high near 84. South wind 5 to 10 mph.

Tonight: Partly cloudy, with a low around 64. South southeast wind around 5 mph, with gusts as high as 10 mph.

Saturday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Cloudy, with a low around 65. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

Sunday: Showers and possibly a thunderstorm. High near 73. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 80%.

Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 60. Chance of precipitation is 80%.

Monday: A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 69.

Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 58.

Tuesday: Mostly sunny, with a high near 69.

Tuesday Night: Partly cloudy, with a low around 57.

Wednesday: A slight chance of showers. Mostly sunny, with a high near 70.

Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 58.

Thursday: A chance of showers. Mostly sunny, with a high near 71.

 LAKE TEMPS … 

SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
915 AM CDT Thu Sep 30 2021

LAKE MICHIGAN WATER TEMPERATURES…

CHICAGO SHORE……….65.

CHICAGO CRIB……….68.

CHICAGO BUOY……….65.

WILMETTE BUOY……….65.

WAUKEGAN BUOY……….65.

WINTHROP HARBOR BUOY……….65.

MICHIGAN CITY……….65.

MICHIGAN CITY BUOY……….M.

SOUTH MID LAKE BUOY……….66.

NORTH MID LAKE BUOY……….64.

&&

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.

october.chicagoweatherstation.com

Arlingtoncardinal.com/radar

Chicago Weather Forecast for your MAC/PC/TABLET includes surrounding suburbs.

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