Weather
Ohio-Indiana Weather Alert: Storms, Then Frost in Columbus Oct 15-18
Columbus, OH – A sharp autumn temperature change is approaching central Ohio, where the National Weather Service expects widespread frost by Sunday morning following a period of showers, possible thun
By Erin Vale · 2026-10-15T07:19:40.857Z
Columbus, OH – A sharp autumn temperature change is approaching central Ohio, where the National Weather Service expects widespread frost by Sunday morning following a period of showers, possible thunderstorms and gusty winds. Columbus could reach 73 degrees Thursday before temperatures fall to approximately 36 degrees Saturday night, a 37 degree difference over several days. The approaching cold could affect gardens, sensitive vegetation and outdoor activities across the region, while an earlier thunderstorm threat raises additional concerns about potentially damaging winds.
According to the National Weather Service in Wilmington, widespread frost is expected Saturday night into Sunday morning across portions of central and southwestern Ohio and eastern Indiana. The agency's Hazardous Weather Outlook, issued Thursday at 2:42 a.m. EDT, also identifies the possibility of a few strong to severe thunderstorms Thursday evening, with damaging winds the primary concern.
Widespread Frost Expected Sunday Morning The most significant weekend development is the anticipated frost early Sunday, Oct. 18. The National Weather Service specifically highlights widespread frost in its regional hazardous weather outlook, while the Columbus point forecast calls for areas of frost before 9 a.m. Sunday.
Temperatures are expected to fall near 36 degrees Saturday night under clear skies. Although that forecast remains above freezing, frost can develop when exposed surfaces cool below 32 degrees, even while standard air temperature readings remain several degrees warmer.
The broader outlook covers central, southwestern and west central Ohio, along with portions of eastern and southeastern Indiana. Exact overnight temperatures and frost coverage will vary by location, particularly between urban neighborhoods and colder rural areas.
For gardeners and homeowners, the forecast provides an opportunity to protect sensitive vegetation before Saturday evening. Moving potted plants indoors or covering vulnerable garden crops could help reduce damage from the expected frost.
Thunderstorm Risk Precedes Sharp Temperature Drop Before the colder air arrives, central Ohio faces a separate weather concern Thursday evening. The National Weather Service warns that a few strong to severe thunderstorms are possible across its forecast area, with damaging winds identified as the greatest threat.
Columbus has a 30% chance of showers and thunderstorms Thursday night, with southwest winds of 7 to 13 mph and gusts potentially reaching 23 mph. The regional severe weather outlook does not establish that damaging winds will occur at every location.
Friday brings a greater chance of precipitation, with showers likely before 4 p.m. and a 60% precipitation probability. Temperatures are expected to reach approximately 66 degrees, while southwest winds around 15 mph shift northwest during the afternoon, with gusts reaching 25 mph.
Additional showers remain possible Friday night, with a 50% precipitation chance and north winds around 15 mph gusting as high as 28 mph. Temperatures are expected to fall near 43 degrees.
Drivers using Interstate 70, Interstate 71 and Interstate 270 could encounter wet pavement and reduced visibility during periods of rainfall. Gusty winds may also affect exposed roadways, although no specific closures or travel disruptions are indicated.
Sunshine Returns, but Sunday Begins Cold Saturday brings improving conditions, with mostly sunny skies and a high near 54 degrees. That represents a 19 degree decline from Thursday's expected high, setting the stage for the colder conditions Saturday night.
Sunday begins with areas of frost before 9 a.m., followed by sunshine and temperatures recovering to approximately 60 degrees. The warming trend continues Monday, when Columbus could reach 65 degrees under sunny skies.
Tuesday and Wednesday bring additional improvement, with highs near 67 and 68 degrees, respectively. No additional significant weather threats are identified in the supplied forecast through Wednesday.
The immediate concern is Thursday's potential damaging wind threat, followed by the more widespread frost risk Sunday morning. Residents should monitor updated forecasts for any additional frost related advisories as temperatures fall.
Will you be protecting outdoor plants ahead of central Ohio's expected Sunday morning frost?
Five Day Weather Outlook Thursday 10/15: Mostly cloudy skies are expected with a high near 73 degrees and a 20% chance of daytime showers, followed by a 30% chance of showers and thunderstorms Thursday night, with gusts to 23 mph and a low near 66 degrees.
Friday 10/16: Showers are likely with a 60% precipitation chance and a high near 66 degrees, while southwest winds shift northwest with gusts reaching 25 mph, followed by a 50% rain chance and a nighttime low near 43 degrees.
Saturday 10/17: Mostly sunny skies return with temperatures reaching approximately 54 degrees, offering improving conditions after Friday's showers, before clear skies allow temperatures to fall near 36 degrees Saturday night ahead of widespread regional frost potential.
Sunday 10/18: Areas of frost are expected before 9 a.m., followed by sunny skies and a high near 60 degrees, while mostly clear conditions return Sunday night with temperatures falling to approximately 39 degrees.
Monday 10/19: Sunny skies and a high near 65 degrees bring a gradual warming trend following the weekend cooldown, with partly cloudy conditions developing Monday night as temperatures fall to approximately 43 degrees.
Extended Weather Outlook: Oct. 20 21 Tuesday, Oct. 20, is expected to bring mostly sunny skies and a high near 67 degrees, followed by mostly clear conditions and temperatures falling near 44 degrees Tuesday night.
Wednesday, Oct. 21, remains sunny with a high near 68 degrees, continuing the gradual warming trend across Columbus.