Saint Louis, MO 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 Saint Louis.

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

Dense Fog Advisory issued November 15 at 3:41AM CST until November 15 at 9:00AM CST by NWS Kansas City/Pleasant Hill MO

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central, north central, and northeast Missouri. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

Dense Fog Advisory issued November 15 at 2:24AM CST until November 15 at 9:00AM CST by NWS St Louis MO

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of southwest Illinois and central, east central, northeast, and southeast Missouri. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

Dense Fog Advisory issued November 15 at 1:54AM CST until November 15 at 9:00AM CST by NWS Quad Cities IA IL

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Iowa, Jefferson, Keokuk, and Van Buren Counties. In Missouri, Clark and Scotland Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

Dense Fog Advisory issued November 15 at 1:42AM CST until November 15 at 8:00AM CST by NWS Paducah KY

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Bollinger, Butler, Cape Girardeau, Carter, Perry MO, Ripley, Stoddard, and Wayne MO Counties. * WHEN...Until 8 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

Dense Fog Advisory issued November 14 at 12:36PM CST until November 15 at 9:00AM CST by NWS Springfield MO

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Maries, Miller, Morgan, Pulaski, Phelps, Dent, Howell, Oregon, Shannon, and Texas Counties. * WHEN...From midnight tonight to 9 AM CST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Temperatures will briefly fall to near the freezing mark in colder valleys across the eastern Ozarks. This may result in fog freezing on elevated surfaces. No impacts to roads will occur.