Alerts from NWS Chicago IL (UNOFFICIAL)
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chi.nws-bot.us
Alerts from NWS Chicago IL (UNOFFICIAL)
@chi.nws-bot.us
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Unofficial bot sharing alerts from NWS Chicago IL.

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Wind Advisory issued November 26 at 6:47AM CST until November 26 at 9:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 55 mph occurring. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until 9 PM CST /10 PM EST/ this evening. * IMPACTS...Gusty winds will blow around unsecured objects including holiday decorations. Tree limbs could be blown down and a few power outages may result. Travel will be difficult in open areas and on north to south oriented roadways. * ADDITIONAL DETAILS...Sporadic localized gusts around 60 mph are possible by early afternoon, especially near the Wisconsin state line
November 26, 2025 at 1:00 PM
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🚨 Gale Warning issued November 26 at 3:06AM CST until November 26 at 6:00AM CST by NWS Chicago IL 🚨
Additional Details Here.
* WHAT...For the Storm Warning, west storm force winds to 50 kt and significant waves to 14 ft occasionally to 18 ft expected. For the Gale Warning, west to northwest gales to 40 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...For the first Gale Warning, until 6 AM CST early this morning. For the Storm Warning, until 9 PM CST this evening. For the second Gale Warning, from 9 PM this evening to 10 PM CST Thursday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. * WHAT...For the Storm Warning, west storm force winds to 50 kt and significant waves to 14 ft occasionally to 18 ft expected. For the Gale Warning, west to northwest gales to 40 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...For the first Gale Warning, until 6 AM CST early this morning. For the Storm Warning, until 9 PM CST this evening. For the second Gale Warning, from 9 PM this evening to 10 PM CST Thursday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. * WHAT...For the Storm Warning, west storm force winds to 50 kt and significant waves to 14 ft occasionally to 18 ft expected. For the Gale Warning, west to northwest gales to 40 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...For the first Gale Warning, until 6 AM CST early this morning. For the Storm Warning, until 9 PM CST this evening. For the second Gale Warning, from 9 PM this evening to 10 PM CST Thursday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility.
November 26, 2025 at 9:15 AM
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Gale Warning issued November 26 at 12:19AM CST until November 27 at 10:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West gales to 45 kt with a few storm force gusts to 50 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 10 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 26, 2025 at 6:30 AM
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Wind Advisory issued November 26 at 12:18AM CST until November 26 at 9:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until 9 PM CST /10 PM EST/ this evening. * IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles on north to south roads. * ADDITIONAL DETAILS...Sporadic localized gusts up to 55 to 60 mph are possible during the day on Wednesday.
November 26, 2025 at 6:30 AM
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Gale Warning issued November 25 at 8:59PM CST until November 27 at 10:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West gales to 45 kt with a few storm force gusts to 50 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 3 AM Wednesday to 10 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...The largest waves will be in northwestern Indiana, especially near and east of Michigan City.
November 26, 2025 at 3:15 AM
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Wind Advisory issued November 25 at 7:32PM CST until November 26 at 9:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...From 3 AM CST /4 AM EST/ to 9 PM CST /10 PM EST/ Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles on north to south roads. * ADDITIONAL DETAILS...Sporadic localized gusts up to 55 to 60 mph are possible during the day on Wednesday.
November 26, 2025 at 1:45 AM
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Wind Advisory issued November 25 at 3:01PM CST until November 26 at 9:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...From 3 AM CST /4 AM EST/ to 9 PM CST /10 PM EST/ Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles on north to south roads. * ADDITIONAL DETAILS...Sporadic localized gusts up to 55 to 60 mph are possible during the day on Wednesday.
November 25, 2025 at 9:15 PM
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Gale Warning issued November 25 at 2:55PM CST until November 27 at 10:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds to 45 kt with a few storm force gusts to 50 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 3 AM Wednesday to 10 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...The largest waves will be in northwestern Indiana, especially near and east of Michigan City.
November 25, 2025 at 9:00 PM
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Gale Warning issued November 25 at 9:46AM CST until November 27 at 10:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West gales to 45 kt with a few storm force gusts to 50 kt and significant waves to 11 ft occasionally to 14 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 3 AM Wednesday to 10 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 25, 2025 at 4:00 PM
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Wind Advisory issued November 25 at 9:47AM CST until November 26 at 9:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central, north central, and northeast Illinois. * WHEN...From 3 AM to 9 PM CST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles on north to south roads. * ADDITIONAL DETAILS...Sporadic localized gusts up to 55 to 60 mph are possible during the day on Wednesday. * WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...In Illinois, Central Cook, DuPage, Lake IL, Northern Cook, and Southern Cook Counties. In Indiana, Benton, Jasper, Lake IN, Newton, and Porter Counties. * WHEN...From 3 AM CST /4 AM EST/ to 9 PM CST /10 PM EST/ Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles on north to south roads. * ADDITIONAL DETAILS...Sporadic localized gusts up to 55 to 60 mph are possible during the day on Wednesday.
November 25, 2025 at 4:00 PM
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Dense Fog Advisory issued November 25 at 6:44AM CST until November 25 at 10:00AM CST by NWS Chicago IL
Additional Details Here.
* WHAT...For the Dense Fog Advisory, visibility of one quarter mile or less in areas of dense fog. For the Wind Advisory, west winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central, north central, and northeast Illinois. * WHEN...For the Dense Fog Advisory, until 10 AM CST this morning. For the Wind Advisory, from 3 AM to 9 PM CST Wednesday. * IMPACTS...Low visibility in dense fog this morning could make driving conditions hazardous. Gusty winds on Wednesday will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles on north to south roads. * ADDITIONAL DETAILS...Sporadic localized gusts up to 55 to 60 mph are possible during the day on Wednesday. * WHAT...For the Dense Fog Advisory, visibility of one quarter mile or less in areas of dense fog. For the Wind Advisory, west winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central, north central, and northeast Illinois. * WHEN...For the Dense Fog Advisory, until 10 AM CST this morning. For the Wind Advisory, from 3 AM to 9 PM CST Wednesday. * IMPACTS...Low visibility in dense fog this morning could make driving conditions hazardous. Gusty winds on Wednesday will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles on north to south roads. * ADDITIONAL DETAILS...Sporadic localized gusts up to 55 to 60 mph are possible during the day on Wednesday. * WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...In Illinois, Central Cook, DuPage, Lake IL, Northern Cook, and Southern Cook Counties. In Indiana, Benton, Jasper, Lake IN, Newton, and Porter Counties. * WHEN...From 3 AM CST /4 AM EST/ to 9 PM CST /10 PM EST/ Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles on north to south roads. * ADDITIONAL DETAILS...Sporadic localized gusts up to 55 to 60 mph are possible during the day on Wednesday.
November 25, 2025 at 1:00 PM
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Gale Warning issued November 25 at 3:38AM CST until November 27 at 10:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds to 45 kt, with a few storm force gusts to 50 kt possible, and significant waves to 11 ft occasionally to 14 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 3 AM Wednesday to 10 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 25, 2025 at 9:45 AM
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Wind Advisory issued November 25 at 2:03AM CST until November 26 at 9:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...From 3 AM CST /4 AM EST/ to 9 PM CST /10 PM EST/ Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles on north to south roads. * ADDITIONAL DETAILS...Sporadic localized gusts up to 55 to 60 mph are possible during the day on Wednesday.
November 25, 2025 at 8:15 AM
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Gale Watch issued November 24 at 8:58PM CST until November 27 at 6:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West gales to 40 kt and significant waves to 10 ft occasionally to 13 ft possible, highest east of Gary Indiana. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From late Tuesday night through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 25, 2025 at 3:00 AM
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Gale Watch issued November 24 at 2:42PM CST until November 27 at 6:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West gales to 40 kt and significant waves to 10 ft occasionally to 13 ft possible, highest east of Gary Indiana. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From late Tuesday night through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 24, 2025 at 9:00 PM
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Gale Watch issued November 24 at 9:53AM CST until November 27 at 6:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West gales to 40 kt and significant waves to 10 ft occasionally to 13 ft possible, highest east of Gary Indiana. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From late Tuesday night through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 24, 2025 at 4:00 PM
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Special Weather Statement issued November 24 at 6:54AM CST by NWS Chicago IL
Additional Details Here.
Area observations and webcams indicate that fog has spread into southern Ford County approaching 7 AM. It's unclear how quickly the fog will spread north, or how widespread dense fog will become, but based on recent webcam imagery from Gibson City, expect to encounter at least localized visibility of one quarter mile or less in dense fog, particularly near and south of US Highway 24 through mid morning. Motorists are advised to reduce speed, keep a safe following distance, and use low beams when driving in dense fog.
November 24, 2025 at 1:15 PM
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Gale Watch issued November 24 at 3:29AM CST until November 27 at 6:00PM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West gales to 40 kt and significant waves to 10 ft occasionally to 13 ft possible, highest east of Gary Indiana. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From late Tuesday night through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 24, 2025 at 9:45 AM
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Small Craft Advisory issued November 23 at 9:31AM CST until November 23 at 10:00AM CST by NWS Chicago IL
Additional Details Here.
Waves continue to subside this morning. Therefore, the Small Craft Advisory will be allowed to expire.
November 23, 2025 at 3:45 PM
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Small Craft Advisory issued November 23 at 3:24AM CST until November 23 at 10:00AM CST by NWS Chicago IL
Additional Details Here.
* WHAT...Northwest winds to 20 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...Until 10 AM CST this morning. * IMPACTS...Conditions will be hazardous to small craft.
November 23, 2025 at 9:30 AM
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Small Craft Advisory issued November 22 at 9:56PM CST until November 23 at 10:00AM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West to northwest winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...Until 10 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
November 23, 2025 at 4:00 AM
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Small Craft Advisory issued November 22 at 3:06PM CST until November 23 at 10:00AM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West to northwest winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 9 PM this evening to 10 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
November 22, 2025 at 9:15 PM
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Small Craft Advisory issued November 22 at 9:56AM CST until November 23 at 10:00AM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 9 PM this evening to 10 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
November 22, 2025 at 4:00 PM
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Small Craft Advisory issued November 22 at 3:19AM CST until November 23 at 10:00AM CST by NWS Chicago IL
Additional Details Here.
* WHAT...West winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 9 PM this evening to 10 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
November 22, 2025 at 9:30 AM
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Special Weather Statement issued November 21 at 7:00AM CST by NWS Chicago IL
Additional Details Here.
Patchy shallow dense fog outside of Chicago between the I-88 and I-80 corridors down to roughly the Kankakee River will cause localized poor visibility down to as low as one quarter mile, along with rapid changes in visibility. Motorists are advised to use extra caution. Reduce speed, increase following distance, and use low beams when driving in dense fog.
November 21, 2025 at 1:15 PM