Cortland, IL Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Cortland.

Use the Radar Maps link provided to understand the trajectory of a storm.

Wind Advisory issued November 21 at 11:05AM CST until November 21 at 8:00PM CST by NWS Chicago IL

* WHAT...Northwest to north winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until 8 PM CST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Small tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds will occur this afternoon into the early evening as the precipitation winds down.

Wind Advisory issued November 21 at 10:24AM CST until November 21 at 8:00PM CST by NWS Quad Cities IA IL

* WHAT...Northwest winds 20 to 30 mph with gusts between 40 to 50 mph. * WHERE...Portions of north central, northwest, and west central Illinois and east central, northeast, and southeast Iowa. * WHEN...Until 8 PM CST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winter Weather Advisory issued November 21 at 9:01AM CST until November 21 at 1:00PM CST by NWS Chicago IL

* WHAT...Wind driven snow expected. Total snow accumulations up to 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...A portion of northeast Illinois. * WHEN...Until 1 PM CST this afternoon. * IMPACTS...Plan on sharply reduced visibility and slippery road conditions. Gusty winds could bring down tree branches.

Winter Weather Advisory issued November 21 at 9:01AM CST until November 21 at 3:00PM CST by NWS Chicago IL

* WHAT...Wind driven snow expected. Total snow accumulations up to 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...In Illinois, Iroquois and Kankakee Counties. In Indiana, Benton, Jasper, Lake IN, Newton, and Porter Counties. * WHEN...Until 3 PM CST /4 PM EST/ this afternoon. * IMPACTS...Plan on sharply reduced visibility and slippery road conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...The highest snow totals are expected to occur in portions of Lake and Porter Counties.

Wind Advisory issued November 21 at 3:02AM CST until November 22 at 12:00AM CST by NWS Lincoln IL

* WHAT...Northwest winds 20 to 30 mph with gusts 40 to 50 mph expected. * WHERE...All of central Illinois. * WHEN...From 10 AM this morning to midnight CST tonight. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.