URGENT – WEATHER MESSAGE
National Weather Service Chicago IL
921 PM CDT Thu Oct 23 2025
FREEZE WARNING
Lake IL-Northern Cook-Lake IN-
Including the cities of Waukegan, Palatine, Schaumburg, Evanston, Northbrook, Mundelein, Buffalo Grove, Gurnee, Merrillville, Gary, Des Plaines, and Hammond
921 PM CDT Thu Oct 23 2025
…FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT FRIDAY…
* WHAT…Sub-freezing temperatures as low as 29 degrees expected away from Lake Michigan.
* WHERE…In Illinois, Lake IL and Northern Cook Counties. In Indiana, Lake IN County.
* WHEN…From 1 AM to 8 AM CDT Friday.
* IMPACTS…Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Take steps now to protect tender plants from the cold.
Sunrise 7:13 AM THU OCT 23 2025 East 105°
Sunset 5:56 THU OCT 23 2025 West 255°
sunrise sunset azimuth chicago / Google Search
O’HARE FORECAST …
Frost Advisories will be in effect for southern Cook and Porter counties.
Upcoming morning lows in Downtown Arlington Heights are:
Friday 30°F
Saturday 36°F
Sunday 44°F
The forecast morning lows for Friday morning, Saturday morning and Sunday morning trended down a degree from this morning’s forecast for Friday morning, Saturday morning and Sunday morning for downtown Arlington Heights.
Friday will be pleasant — about a degree warmer than Thursday. A daytime warmup in the upper 50s begins Saturday through Tuesday. The next chance for rain is Monday night.
Thursday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 30. Northwest wind around 5 mph.
Friday: Widespread frost before 9am. Otherwise, sunny, with a high near 54. Calm wind becoming north northwest around 5 mph.
Friday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.
Saturday: Areas of frost before 7am. Otherwise, partly sunny, with a high near 55. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Saturday Night: Mostly cloudy, with a low around 44. East southeast wind around 5 mph.
Sunday: Partly sunny, with a high near 58.
Sunday Night: Mostly cloudy, with a low around 45.
Monday: Partly sunny, with a high near 57.
Monday Night: A chance of showers after 1am. Mostly cloudy, with a low around 45.
Tuesday: A chance of showers. Partly sunny, with a high near 56.
Tuesday Night: A chance of showers. Mostly cloudy, with a low around 44.
Wednesday: A chance of showers. Partly sunny, with a high near 55.
Wednesday Night: Mostly cloudy, with a low around 42.
Thursday: Partly sunny, with a high near 55.
+ + + + + +
U.S. HIGH AND LOW TEMPERATURE
(for the contiguous United States)
NWS Weather Prediction Center, College Park, MD
Issued 8 pm EDT Thursday, October 23, 2025
High Temperature for Thursday, October 23, 2025
(as received by 8 pm EDT October 23)
101 at Rio Grande Village, TX
Low Temperature for Thursday, October 23, 2025
(as received by 8 pm EDT October 23)
17 at 20 miles south-southeast of Harrison, NE
POLLEN COUNT …
LOYOLA MEDICINE ALLERGY COUNT
x.com/LoyolaAllergy
Loyola Medicine Allergy Count for 10-22-2025
Trees – Absent
Grass – Low
Ragweed – Low
Weeds – Moderate
Mold – High— Loyola Medicine Allergy Count (@LoyolaAllergy) October 22, 2025
chicago.chgowx.com
NWS Forecast Chicago (O’Hare)
Arlingtoncardinal.com/radar
(Chicagoland Weather Radar)
Arlingtoncardinal.com/clouds
(Satellite Cloud Cover East United States)
Arlingtoncardinal.com/usforecastchart
(US Weather Forecast Chart)
Arlingtoncardinal.com/uvindex
Ultraviolet Index/UV Index
Arlingtoncardinal.com/sun
Chicagoland Sunrise, Sunset and Solar Information for Chicago area
Arlingtoncardinal.com/moon
Chicagoland Moonrise, Moonset and Lunar Phase information for Chicago area
october.chicagoweatherstation.com
^^ MOBILE? USE VOICE MIC ^^
facebook …
Please ‘LIKE’ the ‘Arlington Cardinal Page. See all of The Cardinal Facebook fan pages at Arlingtoncardinal.com/about/facebook …
Help fund The Cardinal Arlingtoncardinal.com/sponsor
