Active Weather Alerts
Small Craft Advisory
Issued: 2:51 AM Jun. 30, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TO 9 PM CDT TUESDAY... * WHAT...Southwest winds to 25 kt expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 1 PM to 9 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Extreme Heat Warning
Issued: 1:53 AM Jun. 30, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM CDT WEDNESDAY... * WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until 10 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. 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. &&
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