Lacy, SD Weather Forecast

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Lacy, SD Weather Forecast

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Lacy SD weather  - Overcast - 71°F
Overcast
71°F
Updated 11:29 pm
Feels Like 66°F
Humidity 54%
Wind S 9 mph
Barometer  29.81 in
Dew Point 54°F
Lacy SD weather  - Overcast - 22°C
Overcast
22°C
Updated 11:29 pm
Feels Like 19°C
Humidity 54%
Wind S 14 km/h
Barometer  100.9 kPa
Dew Point 12°C

Lacy Weather Forecast

REST OF TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY FRIDAY
Lacy, SD Weather - Rest Of Tonight Chance Of Rain Lacy, SD Weather - Saturday Windy Lacy, SD Weather - Saturday Night Mostly Cloudy Lacy, SD Weather - Sunday Chance Of Rain Lacy, SD Weather - Sunday Night Rain Lacy, SD Weather - Monday Rain Lacy, SD Weather - Monday Night Chance Of Rain Lacy, SD Weather - Tuesday Mostly Cloudy Lacy, SD Weather - Tuesday Night Partly Cloudy Lacy, SD Weather - Wednesday Partly Cloudy Lacy, SD Weather - Thursday Partly Cloudy Lacy, SD Weather - Friday Partly Sunny
Chance of Rain Windy Mostly Cloudy Chance of Rain Rain Rain Chance of Rain Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Sunny
Lo: 45°FLo: 7°C Hi: 51°FHi: 11°C
Lo: 35°FLo: 2°C Hi: 49°FHi: 9°C
Lo: 35°FLo: 2°C Hi: 45°FHi: 7°C
Lo: 31°FLo: -1°C Hi: 51°FHi: 11°C
Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C
Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C
Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C
Hi: 51°FHi: 11°C
POP: 20% POP: 50% POP: 70% POP: 70% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 1121 PM CDT Fri Oct 23 2026 Lacy, SD Weather - WeatherWorld.com

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Issued: 858 PM CDT Fri Oct 23 2026

Key Messages

  • Southerly winds gusting between 30-40 mph are in place today, with the strongest winds located over northeastern South Dakota. Strong winds will continue over that area through this evening and into tonight.
  • A cold front will move through the region tonight through early Saturday morning. Winds behind will turn northwesterly and increase, with gusts up to 50 miles per hour possible over parts of central and north central South Dakota. A Wind Advisory is in effect for that area from l...