Home / Local Weather & Traffic / Illinois / Vernon Hills / Severe Weather Warnings

Vernon Hills Warnings, Watches and Advisories

SAFETY and DATA MESSAGE

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 Vernon Hills.

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

NWS Active Alerts for IL - Map View

State: IL Total alerts: 8 Updated: Mar 5, 2026 10:37am CST

Flood Warning

Area
Lawrence, IL
Flood Warning issued March 5 at 10:19AM CST until March 9 at 8:13PM CDT by NWS Lincoln IL

...The National Weather Service in Lincoln IL has issued a Flood Warning for the following rivers in Illinois... Embarras River at Lawrenceville affecting Lawrence County. .Heavy rainfall of 1 to 3 inches fell over the Embarras River basin over the last couple of days, and this has caused rapid rises. Minor flooding on the lower reaches of the basin will develop this afternoon, and continue into early next week. The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is forecast. * WHERE...Embarras River at Lawrenceville. * WHEN...From this afternoon to Monday evening. * IMPACTS...At 33.0 feet, Kelly's Lake Lane, 1160N, is inundated. * ADDITIONAL DETAILS... - At 9:45 AM CST Thursday the stage was 29.2 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 33.1 feet early Saturday morning. It will then fall below flood stage early Monday afternoon. - Flood stage is 30.0 feet.

Special Weather Statement

Area
Knox; Stark; Peoria; Marshall; Woodford; Fulton; Tazewell; McLean; Schuyler; Mason; Logan; De Witt; Piatt; Champaign; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon
Special Weather Statement issued March 5 at 9:03AM CST by NWS Lincoln IL

Areas of fog will linger through noon, with locally dense fog during the next hour or two from I-55 northwest where the visibility may be near a quarter mile at times. The fog could lead to potentially hazardous travel conditions, so be sure to slow down if you encounter dense fog. Use low beam headlights if driving, and leave plenty of distance between you and the vehicle ahead.

Special Weather Statement

Area
Linn; Jones; Jackson; Johnson; Cedar; Clinton; Muscatine; Scott; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Jo Daviess; Stephenson; Carroll; Whiteside; Rock Island; Henry; Bureau; Putnam; Mercer; Henderson; Warren; Hancock; McDonough; Scotland; Clark
Special Weather Statement issued March 5 at 9:02AM CST by NWS Quad Cities IA IL

Patchy dense fog with visibilties below a quarter of a mile will linger across the area through 11 AM with gradually improving visibility across the area. If driving be prepared for sudden reductions in visibility along with rapidly changing visibility over short distances. When encountering fog reduce your speed, use low beam headlights, and also increase your following distance.

Dense Fog Advisory

Area
Winnebago; Boone; McHenry; De Kalb; Kane; Kendall; Northern Will; Eastern Will
Dense Fog Advisory issued March 5 at 8:59AM CST until March 5 at 12:00PM CST by NWS Chicago IL

* WHAT...Visibility of one quarter mile or less in dense fog expected. * WHERE...Boone, De Kalb, Winnebago, Eastern Will, Kane, Kendall, McHenry, and Northern Will Counties. * WHEN...Until noon CST today. * IMPACTS...Low visibility could make driving conditions hazardous.

Dense Fog Advisory

Area
Lake; DuPage; Northern Cook; Central Cook; Southern Cook; Lake; Porter
Dense Fog Advisory issued March 5 at 8:59AM CST until March 5 at 3:00PM CST by NWS Chicago IL

* WHAT...Visibility of one quarter mile or less in dense fog expected. * WHERE...In Illinois, Central Cook, DuPage, Lake IL, Northern Cook, and Southern Cook Counties. In Indiana, Lake IN and Porter Counties. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Low visibility could make driving conditions hazardous.

Flood Warning

Area
Alexander, IL; Hardin, IL; Johnson, IL; Massac, IL; Pope, IL; Pulaski, IL; Union, IL; Crittenden, KY; Livingston, KY
Flood Warning issued March 5 at 7:51AM CST until March 5 at 11:00AM CST by NWS Paducah KY

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of southern Illinois, including the following counties, Alexander, Hardin, Johnson, Massac, Pope, Pulaski and Union and western Kentucky, including the following counties, Crittenden and Livingston. * WHEN...Until 1100 AM CST. * IMPACTS...Streams continue to rise due to excess runoff from earlier rainfall. It will take several hours for all the water from these storms to work through local drainage systems in urban areas. * ADDITIONAL DETAILS... - At 750 AM CST, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is already occurring in the warned area. Between 2 and 5 inches of rain have fallen. - Additional rainfall amounts up to 0.5 inches are possible in the warned area. - Some locations that will experience flooding include... Metropolis, Anna, Marion, Sturgis, Jonesboro, Vienna, Rosiclare, Goreville, Salem, Dongola, Golconda, Tamms, Karnak, Dixon Springs, New Columbia, Joy, Lake Of Egypt Area, Burna, Olive Branch and Ware.

Flood Watch

Area
Jefferson; Wayne; Edwards; Wabash; Perry; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Union; Henderson; Daviess
Flood Watch issued March 5 at 7:03AM CST until March 5 at 12:00PM CST by NWS Paducah KY

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Illinois, including the following areas, Edwards, Franklin, Gallatin, Hamilton, Jackson, Jefferson, Perry IL, Saline, Wabash, Wayne IL, White and Williamson, southwest Indiana, including the following areas, Gibson, Pike, Posey, Spencer, Vanderburgh and Warrick, and western Kentucky, including the following areas, Daviess, Henderson and Union KY. * WHEN...Until noon CST /1 PM EST/ today. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

Flood Warning

Area
Clay, IL; Richland, IL
Flood Warning issued March 5 at 1:04AM CST by NWS Lincoln IL

...The Flood Warning is extended for the following rivers in Illinois... Little Wabash River below Clay City affecting Clay and Richland Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is forecast. * WHERE...Little Wabash River below Clay City. * WHEN...From this morning until further notice. * IMPACTS...At 22.0 feet, North Clay Road...1 mile east of the gage is flooded. * ADDITIONAL DETAILS... - At 12:45 AM CST Thursday the stage was 15.5 feet. - Forecast...The river is expected to rise above flood stage this morning and continue rising to a crest of 21.2 feet Saturday morning. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood

Disclaimer

Vernon Hills weather report and traffic updates by locals

Write your own Vernon Hills, Illinois report, forecast, or traffic update:


Will not be posted, shared or used for marketing!

Please note by clicking on "Post" you acknowledge that you have read our Privacy Policy and Terms of Service and the Vernon Hills, IL report and/or forecast you are posting is in compliance with such terms. If you are under 18, do not submit this form. Be respectful! Inappropriate content will be removed by a moderator.