National Weather Service Forecast for: Lennox SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 2:03 am CST Dec 5, 2025
 
Overnight

Overnight: Mostly cloudy, with a steady temperature around 22. South wind around 5 mph.
Mostly Cloudy

 Friday

Friday: A slight chance of snow before 7am, then a slight chance of freezing rain between 7am and 9am. Mostly cloudy, with a high near 35. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Slight Chance
Wintry Mix
then Cloudy
 Friday
Night
Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 14. Northwest wind 5 to 10 mph becoming east southeast after midnight.
Decreasing
Clouds
 Saturday

Saturday: Snow, mainly after noon. High near 24. East southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around 3 inches.
Chance Snow
then Snow
 Saturday
Night
Saturday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 2. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.
Chance Snow
then Mostly
Cloudy
 Sunday

Sunday: Partly sunny, with a high near 10. North wind around 5 mph becoming east in the afternoon.
Partly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 1.
Mostly Cloudy

 Monday

Monday: Partly sunny, with a high near 30.
Partly Sunny

 Monday
Night
Monday Night: Mostly cloudy, with a low around 16.
Mostly Cloudy
Lo 22 °F Hi 35 °F Lo 14 °F Hi 24 °F Lo 2 °F Hi 10 °F Lo 1 °F Hi 30 °F Lo 16 °F

Hazardous Weather Outlook
 

Overnight
 
 Mostly cloudy, with a steady temperature around 22. South wind around 5 mph.
Friday
 
 A slight chance of snow before 7am, then a slight chance of freezing rain between 7am and 9am. Mostly cloudy, with a high near 35. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Friday Night
 
 Cloudy, then gradually becoming partly cloudy, with a low around 14. Northwest wind 5 to 10 mph becoming east southeast after midnight.
Saturday
 
 Snow, mainly after noon. High near 24. East southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around 3 inches.
Saturday Night
 
 A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 2. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.
Sunday
 
 Partly sunny, with a high near 10. North wind around 5 mph becoming east in the afternoon.
Sunday Night
 
 Mostly cloudy, with a low around 1.
Monday
 
 Partly sunny, with a high near 30.
Monday Night
 
 Mostly cloudy, with a low around 16.
Tuesday
 
 Mostly cloudy, with a high near 35.
Tuesday Night
 
 A 30 percent chance of rain. Mostly cloudy, with a low around 18.
Wednesday
 
 Mostly cloudy, with a high near 26.
Wednesday Night
 
 Mostly cloudy, with a low around 8.
Thursday
 
 Mostly cloudy, with a high near 23.

 

Forecast from NOAA-NWS for Lennox SD.