Active Weather Alerts
Dense Fog Advisory
Issued: 9:06 PM Dec. 28, 2025 – National Weather Service
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST MONDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Gale Warning, west gales to 45 kt with occasional storm force gusts to around 50 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the Gale Warning, until 6 PM CST Monday. * IMPACTS...Low visibility will make navigation difficult. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. &&
Gale Warning
Issued: 9:06 PM Dec. 28, 2025 – National Weather Service
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST MONDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Gale Warning, west gales to 45 kt with occasional storm force gusts to around 50 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the Gale Warning, until 6 PM CST Monday. * IMPACTS...Low visibility will make navigation difficult. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. &&
Wind Advisory
Issued: 9:01 PM Dec. 28, 2025 – National Weather Service
...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM CST /7 PM EST/ THIS EVENING TO 3 PM CST /4 PM EST/ MONDAY... * WHAT...West winds 25 to 35 mph with gusts of 45 to 55 mph expected. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...From 6 PM CST /7 PM EST/ this evening to 3 PM CST /4 PM EST/ Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects, including holiday decorations. &&
Flood Advisory
Issued: 7:17 PM Dec. 28, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Flooding caused by excessive rainfall is occurring. * WHERE...Portions of northeast Illinois, including the following counties, Cook, Kankakee and Will and northwest Indiana, including the following counties, Lake IN and Porter. * WHEN...Until 600 PM CST. * IMPACTS...Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - At 111 PM CST, Doppler radar and rainfall reports indicate that up to three inches of rain has fallen since this morning across the advisory area. Another round of showers and thunderstorms is expected later this afternoon which will bring additional rainfall to the area and may continue to produce localized flooding. - Some locations that will experience flooding include... Hammond, Gary, Portage, Merrillville, Valparaiso, Chicago Heights, Schererville, Hobart, Kankakee, Crown Point, Highland, Munster, Park Forest, Bourbonnais, Bradley, Chesterton, Cedar Lake, Steger, Lowell and Manteno. - 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. &&
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