Dense Fog Advisory issued December 26 at 11:48AM CST until December 26 at 3:00PM CST by NWS Chicago IL
* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Boone, De Kalb, Lee, Ogle, Winnebago, Kane, Lake IL, and McHenry Counties. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Low visibility could make driving conditions hazardous.
Small Craft Advisory issued December 21 at 8:48AM CST until December 21 at 3:00PM CST by NWS Chicago IL
* WHAT...Significant waves to 6 ft occasionally to 8 ft. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft.
Small Craft Advisory issued December 18 at 9:37AM CST until December 18 at 10:00PM CST by NWS Chicago IL
* WHAT...Northwest winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 3 PM this afternoon to 10 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft.
Dense Fog Advisory issued December 16 at 1:55AM CST until December 16 at 11:00AM CST by NWS Chicago IL
* WHAT...Visibility one quarter mile or less in areas of dense fog. * WHERE...Boone, De Kalb, La Salle, Lee, Ogle, and Winnebago Counties. * WHEN...Until 11 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued December 15 at 6:19AM CST until December 15 at 3:00PM CST by NWS Chicago IL
* WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Low visibility will make navigation difficult.
Small Craft Advisory issued December 15 at 6:19AM CST until December 15 at 9:00AM CST by NWS Chicago IL
* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, significant waves to 6 ft occasionally to 8 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Dense Fog Advisory, until 3 PM CST this afternoon. For the Small Craft Advisory, until 9 AM CST this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.
Dense Fog Advisory issued December 15 at 2:48AM CST until December 15 at 12:00PM CST by NWS Chicago IL
* WHAT...Visibility one quarter mile or less in areas of dense fog. * WHERE...Portions of central, north central, and northeast Illinois. * WHEN...Until noon CST today. * IMPACTS...Low visibility could make driving conditions hazardous.
Winter Weather Advisory issued December 14 at 2:22AM CST until December 14 at 8:00PM CST by NWS Chicago IL
* WHAT...Wintry mix and some freezing rain expected. Total ice accumulations around a light glaze. * WHERE...Boone, De Kalb, Lee, Ogle, Winnebago, and McHenry Counties. * WHEN...From noon today to 8 PM CST this evening. * IMPACTS...Slippery sidewalks, roads and bridges are possible. * ADDITIONAL DETAILS...As temperatures rise above freezing late this afternoon and early this evening precipitation will change to all rain. Some icy spots may linger on untreated road and sidewalks for a time even after air temperatures rise above freezing. This is due to the initially very cold pavement temperatures being slower to rise above freezing than
Heavy Freezing Spray Warning issued December 12 at 5:39AM CST until December 12 at 6:00AM CST by NWS Chicago IL
Winds have subsided to below gales and will continue to ease through the rest of today. Additionally, the heavy freezing spray threat has ended. Lighter instances of freezing spray will remain possible through the morning.
Gale Warning issued December 12 at 5:39AM CST until December 12 at 6:00AM CST by NWS Chicago IL
Winds have subsided to below gales and will continue to ease through the rest of today. Additionally, the heavy freezing spray threat has ended. Lighter instances of freezing spray will remain possible through the morning.