Active Weather Alerts
Dense Fog Advisory
Issued: 11:08 AM Sep. 29, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility of one quarter mile or less in dense fog. * WHERE...DuPage, Kane, Lake IL, McHenry, and Northern Cook Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous during the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
Special Weather Statement
Issued: 9:13 AM Sep. 29, 2026 – National Weather Service
...Locally Dense Fog Early This Morning... Areas of fog, including patches of locally dense fog, will occur in portions of northeast Illinois and northwest Indiana through the early to mid-morning, including during the morning commute. Expect rapid changes in visibility over short distances, with visibility reduced down to one quarter mile or less in spots. Increase following distance, slow down, and use low beam headlights if dense fog is encountered while driving.
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