Weather Forecast

Day 1 Convective Outlook/Categorical for overnight Sunday/Monday, July 12-13, 2026 indicates no severe weather risk in Illinois, and no tornado risk in the entire United States (SOURCE: NOAA/NWS Storm Prediction Center)

Hot Inland, Sunny All Week; Compare Chicago Weather to Phoenix, Miami, LA, Wash DC

Sun Jul 12, 2026 11:04 pm Cardinal News

CHICAGOLAND DETAILS … Radar is clear in northern Illinois. Mostly sunny days all week through Saturday, with cloud cover less than 7%, and high UV index numbers every day. Hot conditions are expected for much […]

Day 1 Convective Outlook/Categorical for overnight Friday/Saturday, July 10-11, 2026 indicates less than Risk Level 1 for thunderstorms in northern Illinois (SOURCE: NOAA/NWS Storm Prediction Center)

Sunny Weekend Highs in 80s for Chicagoland; Compare Chicago Weather to Phoenix, Miami, LA, Wash DC

Fri Jul 10, 2026 08:26 pm Cardinal News

CHICAGOLAND DETAILS … Radar is clear in northern Illinois. See also: LIVE STREAMS: Arlingtoncardinal.com/StormChasers Temperature Outlook … SA 66 84 | SU 67 87 | M 69 90 | T 71 92 O’HARE FORECAST … […]

Day 1 Convective Outlook/Categorical for Thursday, July 9, 2026 indicates less than Level 1/5 risk of severe thunderstorms in northern Illinois, but a low risk of tornadoes in southern Missouri, southern Illinois, southern Indiana, and northwest Kentucky (SOURCE: NOAA/NWS Storm Prediction Center)

Mostly Cloudy, High 83, Chance of Thundershowers After 3 PM in Chicagoland

Thu Jul 9, 2026 09:54 am Cardinal News

CHICAGOLAND DETAILS … Radar for northern Illinois indicates precipitation as diminishing scattered showers as expected this morning. Radar echoes are diminishing to nothing by about the Fox River. Scattered thunderstorms are expected at times through […]

Day 1 Convective Outlook/Categorical for overnight Wednesday/Thursday, July 8-9, 2026 indicates a Level 1/5 Risk of severe thunderstorms in far northwest Illinois (SOURCE: NOAA/NWS Storm Prediction Center)

High 85 Thursday, Storms Return, More Severe Near I-80; Compare Chicago Weather to Phoenix, Miami, LA, Wash DC

Wed Jul 8, 2026 11:46 pm Cardinal News

CHICAGOLAND DETAILS … Radar is clear in northern Illinois, but lightning visible in the north sky horizon of Arlington Heights was visible from storms passing west to east near Milwaukee around 9:00 p.m. to 10:00 […]

Day 1 Convective Outlook/Categorical for overnight Monday/Tuesday, July 6-7, 2026 indicates no risk of severe thunderstorms in northern Illinois (SOURCE: NOAA/NWS Storm Prediction Center)

Eighties All Week, Thunderstorms Thursday; Compare Chicago Weather to Phoenix, Miami, LA, Wash DC

Mon Jul 6, 2026 11:55 pm Cardinal News

CHICAGOLAND DETAILS … Radar is clear in northern Illinois around midnight Monday to Tuesday. Dry and more seasonable conditions expected through Wednesday before shower and thunderstorm chances return Thursday. A corridor of heavy rainfall may […]

Day 1 Convective Outlook/Categorical for Sunday, July 5, 2026 indicates no risk of severe thunderstorms in Illinois, no risk of tornadoes in the entire United States, but a chance of thundershowers in almost all of Illinois (SOURCE: NOAA/NWS Storm Prediction Center)

Very Small Chance of Showers, Mostly Cloudy, High 77 Sunday; Compare Chicago Weather to Phoenix, Miami, LA, Wash DC

Sun Jul 5, 2026 11:43 am Cardinal News

CHICAGOLAND DETAILS … Radar is clear in northern Illinois and nearby states. Isolated to widely scattered showers are expected this morning near Lake Michigan. Scattered showers and thunderstorms (20-40% chance) are expected this afternoon mainly […]

Day 1 Convective Outlook/Categorical for Saturday, July 4, 2026 indicates Level 1/5 in part of northern Illinois and Level 2/5 in central Illinois, but no tornado risk in Illinois (SOURCE: NOAA/NWS Storm Prediction Center)

Thunderstorm Due to Strike Frontier Days About 3:40 PM Stalls Over Schaumburg and Elgin; Police Temporarily Close Festival

Sat Jul 4, 2026 03:14 pm Cardinal News

CHICAGOLAND DETAILS … A thunderstorm cell that was on track to strike Frontier Days about 3:25 p.m., then stalled over Elgin, Bartlett, Hanover Park Radar indicated precipitation in the form of a line of thunderstorm […]

Diminishing Thunderstorm Tracking Toward Arlington Heights Saturday Might Not Even Drop Sprinkles on 4th of July Parade

Sat Jul 4, 2026 09:29 am Cardinal News

CHICAGOLAND DETAILS … Radar indicates precipitation as thundershowers approaching the area, but the thundershowers are diminishing, and may only drop some sprinkles by the time they reach Arlington Heights at about 10:00 a.m. to 10:10 […]

Day 1 Convective Outlook/Categorical for Friday, July 3, 2026 indicates a Level 2/5 Severe Thunderstorm Risk for the north half of Illinois and a 2% risk of a low intensity tornado in northern Illinois (SOURCE: NOAA/NWS Storm Prediction Center)

Frontier Days Thunderstorm Forecast Indicates Arrival at About 9:20 PM – 9:45 PM Friday, July 3, 2026

Fri Jul 3, 2026 09:11 pm Cardinal News

CHICAGOLAND DETAILS … Radar indicates precipitation in the form of severe thunderstorms with frequent lightning which includes an area of thunderstorms near DeKalb, Illinois at 8:55 p.m. that will track into the area of Frontier […]

Day 1 Convective Outlook/Categorical for Friday, July 3, 2026 indicates a Level 2/5 Severe Thunderstorm Risk with high winds risk, but no tornado risk (SOURCE: NOAA/NWS Storm Prediction Center)

Severe Thunderstorm Warning and Watch Activated for Friday Afternoon in Chicagoland

Fri Jul 3, 2026 01:16 pm Cardinal News

CHICAGOLAND DETAILS … Radar indicates precipitation as a line of severe thunderstorms from about Milwaukee to Peoria that will pass through Arlington Heights and O’Hare International Airport by about 1:15 p.m. Hot and humid conditions […]

Day 1 Convective Outlook/Categorical for overnight Thursday/Friday, July 2-3, 2026 indicates Level 1/5 and Level 2/5 Severe Thunderstorm Risk, and no tornado risk for northeast Illinois (SOURCE: NOAA/NWS Storm Prediction Center)

Two Lines of Thunderstorms Develop Suddenly Just West of Arlington Heights, Canceling Thursday’s Drone Show

Thu Jul 2, 2026 10:11 pm Cardinal News

CHICAGOLAND DETAILS … Severe thunderstorm cells were indicated by radar mostly south of Arlington Heights, and caused the activation of a Severe Thunderstorm Warning Thursday night. Otherwise radar indicates precipitation as a line of moderate […]

Day 1 Convective Outlook/Categorical for overnight Wednesday/Thursday, July 1-2, 2026 indicates some Level 1/5 and Level 2/5 risk of severe thunderstorms possible in northern Illinois (SOURCE: NOAA/NWS Storm Prediction Center)

Extreme Heat Warning Ends 12 AM Thursday/Friday; Compare Chicago Weather to Phoenix, Miami, LA, Wash DC

Thu Jul 2, 2026 03:09 am Cardinal News

CHICAGOLAND DETAILS … Radar is clear in northern Illinois. There is an outflow-reinforced frontal boundary stretching from central Lower Michigan through central Wisconsin and through northwestern Iowa, also with radar evidence and associated with a […]

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