Day County, SD Weather Forecast

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Day County, SD Weather Forecast

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Day County SD weather  - Clear - 39°F
Clear
39°F
Updated 12:02 am
Feels Like 31°F
Humidity 64%
Wind S 14 mph
Barometer  30.38 in
Dew Point 28°F
Day County SD weather  - Clear - 4°C
Clear
4°C
Updated 12:02 am
Feels Like -0°C
Humidity 64%
Wind S 23 km/h
Barometer  102.8 kPa
Dew Point -2°C

Day County Weather Forecast

REST OF TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT
Day County, SD Weather - Rest Of Tonight Clear Day County, SD Weather - Saturday Sunny Day County, SD Weather - Saturday Night Mostly Clear Day County, SD Weather - Sunday Mostly Sunny Day County, SD Weather - Sunday Night Partly Cloudy Day County, SD Weather - Monday Mostly Clear Day County, SD Weather - Tuesday Mostly Clear Day County, SD Weather - Tuesday Night Partly Cloudy Day County, SD Weather - Wednesday Partly Cloudy Day County, SD Weather - Wednesday Night Partly Cloudy Day County, SD Weather - Thursday Mostly Sunny Day County, SD Weather - Thursday Night Chance Of Showers
Clear Sunny Mostly Clear Mostly Sunny Partly Cloudy Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Sunny Chance of Showers
Lo: 39°FLo: 4°C Hi: 59°FHi: 15°C
Lo: 45°FLo: 7°C Hi: 65°FHi: 18°C
Lo: 41°FLo: 5°C Hi: 61°FHi: 16°C
Lo: 45°FLo: 7°C
Hi: 61°FHi: 16°C
Lo: 45°FLo: 7°C
Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
Lo: 50°FLo: 10°C
Hi: 69°FHi: 21°C
Lo: 50°FLo: 10°C
Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1017 PM CDT Fri Oct 16 2026 Day County, SD Weather - WeatherWorld.com

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Issued: 619 PM CDT Fri Oct 16 2026

Key Messages

  • Low temperatures tonight will range in the low to mid 30s with patchy to area of frost possible.
  • Winds will increase tonight into Saturday, with a 40-70% chance for gusts to be greater than 45 mph along the eastern edge of the Sisseton Hills.

Discussion

... Issued at 155 PM CDT Fri Oct 16 2026

An area of high pressure over the region is producing cool temperatures across the forecast area with readings in the 40s and 50s. These readings are 5 to 10 degrees below average for this time of...