Sioux Falls, SD – The weather in Sioux Falls is warm today, with highs reaching into the mid-80s, but a cold front is expected to bring drastic changes by the weekend. The National Weather Service warns of widespread frost on Sunday night as temperatures plummet.
According to the National Weather Service, today and Thursday will continue with unusually warm weather for October, peaking at around 87 degrees on Thursday. Breezy conditions with gusts of 10-15 mph from the south will persist. By Friday, temperatures will dip into the low 70s, and by Saturday, highs will only reach 72 degrees as the cold front moves in.
This sudden temperature drop will intensify on Sunday, with highs expected to fall to 58 degrees and nighttime temperatures plunging to near-freezing levels. Residents should prepare for widespread frost, especially Sunday night, as temperatures are forecasted to drop as low as 29 degrees.
Drivers along major roadways, such as Interstate 29 and U.S. Route 18, should exercise caution, particularly as frost and potentially icy conditions develop overnight. Early morning commuters on Monday should plan for potential delays and ensure vehicles are winter-ready.