FLASH FLOOD WATCH in effect from June 26, 01:00 PM CDT until June 27, 01:00 AM CDT Convection is the keyword for this afternoon’s forecast that could bring numerous severe thunderstorms, the development of super […]
The next best chance for showers and thunderstorms is after 6:00 p.m. Tuesday. There is a slightly higher severe weather potential south of I-88. The Storm Prediction Center Day 1 Convective Outlook has the “Marginal” […]
Flood Advisory in effect June 22, 09:21 AM CDT until June 22, 12:15 PM CDT Flash Flood Watch until June 22, 03:00 PM CDT Beach Hazards Statement until June 23, 04:00 AM CDT Water vapor […]
Showers and thunderstorms could bring about 1.1 inch of rain starting tonight at about midnight and until midnight Thursday/Friday. Total rainfall continuing until about noon Friday could be about 1.8 inch in Arlington Heights and […]
EXCESSIVE HEAT WARNING EXPIRED 7 PM, DIMINISHED THUNDERSTORMS TONIGHT, LOW 65°F AS SOON MIDNIGHT A line of thunderstorms moving south-southeast across northern Illinois slowed down and weakened after about 5:40 p.m. while the outflow boundary […]
EXCESSIVE HEAT WARNING ENDING SOON, THUNDERSTORMS TONIGHT Humidity has been high today with Dew Points staying in the low 70s through about 3:00 p.m. The high temperature at O’Hare at 2:51 p.m. and 4:51 p.m. […]
EXCESSIVE HEAT WATCH SATURDAY TO MONDAY Rainfall amount with a convective complex of showers and thunderstorms that moved south-southeast from Wiscsonin produced 1.25″ of rain in central Arlington Heights from about 2:00 a.m. until 4:15 […]
EXCESSIVE HEAT WATCH ACTIVATED SATURDAY MORNING THROUGH MONDAY EVENING Heat from the Plains will begin building in Chicagoland on Friday, and a thin line thunderstorms with a little punch passing Rockford at 5:20 a.m. may […]
Overnight, a large, mature Mesoscale Convective System (MCS) — a group of thunderstorms in one complex — extended from north of Milwaukee, Wisconsin to south of Danville, Illinois and moved into Arlington Heights and the […]
FLASH FLOOD WARNING 4:42 AM UNTIL 7:45 CDT SATURDAY JUNE 9 2018 Northern Cook County and far southeast Lake County has been hit the hardest overnight by thunderstorms and medium to heavy rainfall. Flash flooding, […]
Scattered thundershower activity has held together a little more than expected, but is still dying out as it approaches Arlington Heights and the northwest suburbs. There might be some showers and a little thunder in […]
A worn out system of thunderstorms will be crossing from Minnesota to southeast Wisconsin this afternoon, and some peripheral activity may drift into the McHenry County, Lake County, Cook County, and other northern counties. The […]
A breezy day with plenty of sun in Chicagoland as high pressure over the central Great Plains impinges on the departing surface trough heading all the way to Manitoba (don’t let the door hit you […]
High pressure well north of Chicagoland will bring cool and dry conditions with a Fall season feel overnight. Lows in the lower 50s bottoming out between 12:00 a.m. and 3:00 a.m. UPDATE: Beach Hazards Statement […]
MAY 2018 ALL-TIME WETTEST MAY FOR CHICAGO OFFICIAL WEATHER: 8.21 INCHES Cooler weather for Friday, especially if you live closer to Lake Michigan. Chicagoland residents will be facing a back door cold front with northeast […]
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