Active Weather Alerts
Severe Thunderstorm Warning
Issued: 2:44 AM Jul. 3, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Northern DuPage County in northeastern Illinois... Northwestern Cook County in northeastern Illinois... * Until 1030 PM CDT. * At 944 PM CDT, a severe thunderstorm was located over Hanover Park, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Arlington Heights, Schaumburg, Des Plaines, Mount Prospect, Wheaton, Hoffman Estates, Glenview, Elmhurst, Lombard, Bartlett, Ohare Airport, Streamwood, Carol Stream, Hanover Park, Wheeling, Park Ridge, Addison, Glendale Heights, Elk Grove Village, Glen Ellyn, West Chicago, Melrose Park, Franklin Park, Rolling Meadows, and Roselle. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Flood Advisory
Issued: 1:58 AM Jul. 3, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following counties, Cook, DuPage and Lake IL. * WHEN...Until midnight CDT tonight. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. * ADDITIONAL DETAILS... - At 858 PM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Up to 1.5 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Elgin, Arlington Heights, Schaumburg, Palatine, Des Plaines, Mount Prospect, Hoffman Estates, Glenview, Buffalo Grove, Bartlett, Streamwood, Hanover Park, Wheeling, Northbrook, Elk Grove Village, Highland Park, West Chicago, Lake Forest, Rolling Meadows and Roselle. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. &&
Special Marine Warning
Issued: 1:35 AM Jul. 3, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Northerly Island... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... * Until 1000 PM CDT. * At 834 PM CDT, strong thunderstorms were located along a line extending from near Waukegan Harbor to near Wilmette Harbor, moving northeast at 20 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Wilmette Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && HAIL...0.00IN; WIND...>34KTS
Extreme Heat Warning
Issued: 6:48 PM Jul. 2, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... * WHAT...Dangerously hot conditions with heat index values of 100 to 105 degrees. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until midnight CDT tonight. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for elderly friends or family members, or for information on finding the nearest cooling center. Stay cool, stay hydrated, stay informed. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. &&
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