Active Weather Alerts
Fire Weather Watch
Issued: 3:12 PM May. 15, 2025 – National Weather Service
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... The National Weather Service in Chicago has issued a Fire Weather Watch, which is in effect from Friday morning through Friday evening. * Affected Area...Winnebago, Boone, McHenry, Lake IL, Ogle, Lee, De Kalb, Kane, DuPage, Cook, La Salle, Kendall, Grundy, Will, Kankakee, Livingston, Iroquois and Ford. * Timing...From Friday morning through Friday evening. * Winds...Southwest 20 to 30 mph with gusts up to 45 mph. * Relative Humidity...As low as 20 percent. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. &&
Dense Fog Advisory
Issued: 2:21 PM May. 15, 2025 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... ...GALE WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/2 NM or less. For the Small Craft Advisory, south to southwest winds to 25 kt. For the Gale Watch, southwest winds to 35 kt. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...For the Dense Fog Advisory, until noon CDT today. For the Small Craft Advisory, until 10 PM CDT this evening. For the Gale Watch, from Friday afternoon through Friday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. 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 Watch
Issued: 2:21 PM May. 15, 2025 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... ...GALE WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/2 NM or less. For the Small Craft Advisory, south to southwest winds to 25 kt. For the Gale Watch, southwest winds to 35 kt. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...For the Dense Fog Advisory, until noon CDT today. For the Small Craft Advisory, until 10 PM CDT this evening. For the Gale Watch, from Friday afternoon through Friday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. 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. &&
Small Craft Advisory
Issued: 2:21 PM May. 15, 2025 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... ...GALE WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/2 NM or less. For the Small Craft Advisory, south to southwest winds to 25 kt. For the Gale Watch, southwest winds to 35 kt. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...For the Dense Fog Advisory, until noon CDT today. For the Small Craft Advisory, until 10 PM CDT this evening. For the Gale Watch, from Friday afternoon through Friday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. 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. &&
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