National Weather Service Forecast for: Lennox SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 10:48 am CST Feb 2, 2026
 
Today

Today: A chance of flurries before 4pm, then a chance of flurries after 5pm. Mostly cloudy, with a high near 33. East wind 5 to 10 mph.
Chance
Flurries

 Tonight

Tonight: A slight chance of snow and freezing rain before 7pm, then a chance of snow. Cloudy, with a low around 16. East northeast wind around 5 mph. Chance of precipitation is 30%.
Slight Chance
Wintry Mix
then Chance
Snow
 Tuesday

Tuesday: A chance of flurries before noon. Mostly cloudy, with a high near 29. Northeast wind around 5 mph becoming calm in the morning.
Chance
Flurries

 Tuesday
Night
Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. Light northwest wind increasing to 5 to 10 mph after midnight.
Mostly Cloudy
then Slight
Chance Snow
 Wednesday

Wednesday: Mostly cloudy, with a high near 33. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Cloudy

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 22. West northwest wind 5 to 10 mph becoming south southwest in the evening.
Mostly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 48.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 28.
Partly Cloudy

 Friday

Friday: Partly sunny, with a high near 39.
Partly Sunny
Hi 33 °F Lo 16 °F Hi 29 °F Lo 20 °F Hi 33 °F Lo 22 °F Hi 48 °F Lo 28 °F Hi 39 °F

Hazardous Weather Outlook
 

Today
 
 A chance of flurries before 4pm, then a chance of flurries after 5pm. Mostly cloudy, with a high near 33. East wind 5 to 10 mph.
Tonight
 
 A slight chance of snow and freezing rain before 7pm, then a chance of snow. Cloudy, with a low around 16. East northeast wind around 5 mph. Chance of precipitation is 30%.
Tuesday
 
 A chance of flurries before noon. Mostly cloudy, with a high near 29. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
 
 A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. Light northwest wind increasing to 5 to 10 mph after midnight.
Wednesday
 
 Mostly cloudy, with a high near 33. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Mostly cloudy, with a low around 22. West northwest wind 5 to 10 mph becoming south southwest in the evening.
Thursday
 
 Mostly sunny, with a high near 48.
Thursday Night
 
 Partly cloudy, with a low around 28.
Friday
 
 Partly sunny, with a high near 39.
Friday Night
 
 Partly cloudy, with a low around 18.
Saturday
 
 Mostly sunny, with a high near 38.
Saturday Night
 
 Mostly cloudy, with a low around 22.
Sunday
 
 Mostly sunny, with a high near 45.

 

Forecast from NOAA-NWS for Lennox SD.