Chicago weather forecast

Arlington Heights south water tower i hazy, smoke-filled air with an AQI of about 877 between 4:30 p.m. and 5:00 p.m. Thursday, July 16, 2026 (CARDINAL NEWS).

Wildfire Smoke with Record-Breaking Hazardous Air; Where Is the Source of the Smoke? What Is the Health Impact?

Fri Jul 17, 2026 04:35 pm Cardinal News

The hazy smoke covering Chicago was the worst in areas north of Interstate 90, and weather conditions spread the smoke from hundreds of active wildfires burning in Canada, and in Minnesota near the border. The […]

Day 1 Convective Outlook/Tornado for Monday, April 27, 2026 (SOURCE: NOAA/NWS Storm Prediction Center)

Thunderstorms Possible Monday and Monday Night, High 66, Most Severe Weather Expected in Southwest Illinois

Mon Apr 27, 2026 08:48 am Cardinal News

There is a threat for severe weather today, primarily between 4pm and 11pm Monday evening. The main threats are damaging winds and damaging hail. However, the greater risk for severe weather exists in Central Illinois […]

Clouds with thunderstorms moving across Illinois overnight Thursday/Friday (SOURCE: NOAA/NESDIS/STAR – GOES 19 – GEOCOLOR Composite – UMV/CIRA/NOAA)

Weakening Thunderstorms Overnight in Downtown Arlington Heights with a Cold Front Arriving Later Friday

Thu Apr 23, 2026 11:53 pm Cardinal News

Period of showers and scattered thunderstorms with a cold front are forecast from tonight into Friday with the greatest thunderstorm activity likely between 3am and 5am, and 1pm and 3pm. A weakening line of showers […]

Chicagoland has a tornado risk Friday night, April 17, 2026, but the greater risk is in far northwest Illinois, eastern Iowa, southwest Wisconsin, and far southeast Minnesota (NOAA/NWS Storm Prediction Center)

Severe Thunderstorms Likely 9p-Midnight Friday Night, Heavy Rain and Flood Threat

Fri Apr 17, 2026 11:21 am Cardinal News

A tornado is possible Friday night in Chicagoland, but the greater tornado threat is northwest of Chicagoland. There greater threat in Chicagoland, O’Hare and Arlington Heights involves damaging thunderstorm winds, heavy rain and flooding of […]

Tornado Watch in northern Illinois extended at 6:52 p.m. into Cook, Lake, DuPage, and Will counties, in addition to existing Tornado Watch involving McHenry, Kane, Kendall, Grundy counties just to our west, and then a wider area to the west, south, and north including Illinois, Iowa, and Wisconsin (NWS Chicago)

Tornado Watch Extends Thursday Night to Include Lake, Cook, and Will Counties, Expires 11 PM

Thu Apr 2, 2026 07:40 pm Cardinal News

Storms are losing energy after crossing Illinois from West Central Illinois Thursday afternoon, but there is still a risk of severe thunderstorms and tornadoes. Damaging winds occurred in Savanna, Illinois — downing trees and stripping […]

Tornado Watch, just west of Cook County and Lake County, Illinois includes McHenry, Kane, Kendall, Grundy counties just to our west and then a wider area to the west, south, and north (NWS Chicago)

Initial Tornado Watch in Northern Illinois, Excludes Lake, Cook, Will, Kankakee Counties

Thu Apr 2, 2026 02:37 pm Cardinal News

The NWS Storm Prediction Center indicates Arlington Heights and the surrounding communities outside the initial Tornado Watch are at significant risk of tornadoes. We’ll see if the NWS Chicago activates a Tornado Watch to include […]

5-Day Weather Outlook Thursday March 12, 2026 to Monday March 16, 2026 (NWS Chicago)

High Wind Warning: 60 MPH Gusts Possible Friday 9A-12P, Snow Sunday to Monday, Wind Chill Near Zero Monday, Tuesday AM

Thu Mar 12, 2026 11:08 am Cardinal News

Strong to very strong winds are forecast to develop overnight Thursday to Friday and especially Friday morning to early Friday afternoon with a potential for 60 mph wind gusts. Peak winds are likely to hit […]

Big Dipper (Ursa Major) in the clear, northeast sky at 11:27 p.m. Sunday, February 15, 2026 with air temperature about 37°F the night before record warmth is forecast for Monday (CARDINAL NEWS)

Record Warmth Forecast Monday, February 16, 2026; High 64°F, Record 58°F in 1921

Mon Feb 16, 2026 08:10 am Cardinal News

Sunny skies with a forecast high of 64°F (or any temperature above 58°F) will be a record for February 16. However, Monday morning about 6:30 a.m. temperatures are in the 30s, and motorists have been […]

Cloud cover Wednesday, January 14, 2026 at 601AM (GeoColor satellite CIRA/NOAA)

Wintry Temperature Drop from 40°F to Low 20s Wednesday Morning with Gusty Snow Showers

Wed Jan 14, 2026 07:41 am Cardinal News

The air temperature will turn sharply colder today, Wednesday, January 14, 2026, behind a strong cold front passing early Wednesday morning with northerly winds gusting up to 30-40 mph. Wind-whipped snow showers are likely this […]

Us Weather Map valid 6 AM CST Saturday, December 6 2025 to 6 AM CST Sunday, December 7, 2025. Fronts valid 6 AM CST Saturday, December 6, 2025 (SOURCE: NOAA/National Weather Service)

WINTER WEATHER ADVISORY 12 AM to 9 AM Sunday: 3.6″ New Snowfall Forecast for Downtown Arlington Heights

Sat Dec 6, 2025 02:15 pm Cardinal News

Minor light snow may begin around 9:00 p.m. Saturday, December 6, 2025, but significant snowfall accumulation is forecast to occur from about 12:00 a.m. to 5:00 a.m. Sunday. Snow is forecast to linger until 11:00 […]

Winter Storm Severity Index Map (WSSI) Monday night, December 1, 2025 (NOAA Weather Prediction Center)

Winter Weather Advisory Hazardous, But More of a Nuisance with About 1″ Snow Forecast for Arlington Heights

Mon Dec 1, 2025 09:27 pm Cardinal News

The second storm system passing over Arlington Heights, which triggered a NWS Winter Weather Advisory, is looking like a fizzled snow system in our immediate area. At 7:00 p.m., barely one-half inch snow accumulated above […]

Weather outlook showing forecast Low Pressure position, isobars, temperatures and snow forecast at 5:00 p.m. Saturday, November 29, 2025 (SOURCE: Windy.com)

Winter Storm Warning with 9.2″ Forecast for Arlington Heights; More Northwest, Less Southeast

Fri Nov 28, 2025 06:11 am Cardinal News

The Winter Storm Watch was upgraded to a Winter Storm Warning at 2:03 a.m. CST Friday, November 28, 2025: WINTER STORM WARNING in effect from Saturday, November 29, 03:00 AM CST until Sunday, November 30, […]

Just some slushy flurries accumulated on a windshield at 4:10 a.m. Sunday, November 9, 2025 (CARDINAL NEWS)

WINTER STORM WARNING with 12 to 18 Inches Snowfall Possible Some Local Areas; Worst of It 9 PM Sunday to 12 PM Monday

Sun Nov 9, 2025 05:36 am Cardinal News

WINTER STORM WARNING IN EFFECT FROM 9 PM CST SUNDAY TO NOON CST MONDAY… * WHAT…Dangerous to impossible travel conditions due to intense lake effect snow expected. Snow rates in excess of 3 inches per […]

Frost on grass will precede freezing temperatures between 5:00 a.m. and 8:00 a.m. Friday, October 24, 2025 (Gekonek/Pixabay)

Freeze Warning; Downtown Arlington Heights Forecast to Hit 32°F at 5 AM, 30°F at 7 AM

Thu Oct 23, 2025 11:02 pm Cardinal News

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, […]

AirNow Fire and Smoke Map July 31, 2025 at 5:45 p.m. CDT (SOURCE: AirN ow.gov)

Chicagoland Air Quality “Worst in the World” with Canadian Wildfire Smoke and High Pressure System to the North

Thu Jul 31, 2025 08:22 pm Cardinal News

The all too familiar odor of distant wildfire smoke that has traveled from Canada was present early morning along with hazy skies, and an air quality index that measure 174 and 183 for much of […]

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