NWS Forecast for 4 Miles NNE Vermillion SD

National Weather Service Forecast for: 4 Miles NNE Vermillion SD
Issued by: National Weather Service Sioux Falls, SD

Updated: 2:39 am CDT Aug 20, 2026

Overnight Patchy Dense Fog	Thursday Areas Dense Fog then Slight Chance T-storms	Thursday Night Slight Chance T-storms then Mostly Clear	Friday Sunny	Friday Night Mostly Clear	Saturday Sunny	Saturday Night Partly Cloudy	Sunday Partly Sunny	Sunday Night Chance T-storms
Lo 59 °F	Hi 84 °F	Lo 62 °F	Hi 85 °F	Lo 60 °F	Hi 81 °F	Lo 58 °F	Hi 77 °F	Lo 61 °F

Hazardous Weather Outlook
Dense Fog Advisory

Overnight	Patchy dense fog. Otherwise, mostly clear, with a low around 59. South wind around 5 mph.
Thursday	A slight chance of showers and thunderstorms between 4pm and 5pm. Areas of dense fog before 8am. Otherwise, sunny, with a high near 84. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night	A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 62. South wind 5 to 10 mph.
Friday	Sunny, with a high near 85. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night	Mostly clear, with a low around 60. East wind around 5 mph.
Saturday	Sunny, with a high near 81. Northeast wind around 5 mph.
Saturday Night	Partly cloudy, with a low around 58.
Sunday	Partly sunny, with a high near 77.
Sunday Night	A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday	Partly sunny, with a high near 80.
Monday Night	Partly cloudy, with a low around 63.
Tuesday	Mostly sunny, with a high near 83.
Tuesday Night	Partly cloudy, with a low around 61.
Wednesday	Mostly sunny, with a high near 81.

Forecast from NOAA-NWS for 4 Miles NNE Vermillion SD.