The National Weather Service in St. Louis has issued a dense fog advisory that remains in effect until 9 AM CST this morning, with visibility dropping to one quarter mile or less, posing risks for motorists in affected areas; the advisory includes south central, southwest, and west central Illinois, along with central, east central, northeast, and southeast Missouri.
Those hitting the road early should exercise caution, the advisory at forecast.weather.gov—specifically highlights low visibility conditions which "could make driving conditions hazardous," hence it's important for drivers to slow down, use headlights, and maintain a safe following distance behind other vehicles, today's weather, meanwhile, also offers a 40 percent chance of rain in the St. Louis area mainly starting after 3 p.m. and patchy dense fog lifting later in the morning, with temperatures hitting highs near 55 degrees, and a southwest wind shifting west, up to gusts of 21 mph.
Tonight's forecast from the NWS predicts the possibility of patchy fog developing again between 10 p.m. and midnight before moving into a partly sunny Saturday with highs around 48 degrees, as the week progresses, the conditions are expected to swing with a slight chance of thunderstorms predicted for Wednesday; the outlook can always change, so keep an eye out on local forecasts.
Residents and visitors in the advisory areas—spanning large swaths which include cities like Chester, Saint Louis, Salem, and Edwardsville in Illinois, and Hannibal, Saint Charles, and Saint Louis in Missouri—are encouraged to stay updated through regular weather checks, if you need real-time updates, the National Weather Service website at forecast.weather.gov is the go-to source for the most current conditions and warnings, with any pertinent changes and like low visibility at times, we may not always see what's coming, but at least we can be better prepared when we do.
