National Weather Service Forecast for: Spencer IA
Issued by: National Weather Service Sioux Falls, SD
Updated: 1:48 am CST Feb 2, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 16. North northwest wind around 5 mph.
Mostly Cloudy

 Monday

Monday: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 27. North northeast wind around 5 mph.
Partly Sunny
then Slight
Chance Snow
 Monday
Night
Monday Night: A slight chance of snow and freezing rain before 8pm, then a slight chance of snow between 8pm and 5am, then a chance of flurries after 5am. Cloudy, with a low around 12. Northeast wind around 5 mph. Chance of precipitation is 20%.
Slight Chance
Wintry Mix
then Slight
Chance Snow
 Tuesday

Tuesday: Partly sunny, with a high near 24. North northeast wind around 5 mph.
Partly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 15. Calm wind becoming west around 5 mph after midnight.
Mostly Cloudy

 Wednesday

Wednesday: Partly sunny, with a high near 31. North northwest wind 5 to 10 mph.
Partly Sunny

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 20.
Mostly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 45.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 26.
Partly Cloudy
Lo 16 °F Hi 27 °F Lo 12 °F Hi 24 °F Lo 15 °F Hi 31 °F Lo 20 °F Hi 45 °F Lo 26 °F

 

Overnight
 
 Mostly cloudy, with a low around 16. North northwest wind around 5 mph.
Monday
 
 A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 27. North northeast wind around 5 mph.
Monday Night
 
 A slight chance of snow and freezing rain before 8pm, then a slight chance of snow between 8pm and 5am, then a chance of flurries after 5am. Cloudy, with a low around 12. Northeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday
 
 Partly sunny, with a high near 24. North northeast wind around 5 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 15. Calm wind becoming west around 5 mph after midnight.
Wednesday
 
 Partly sunny, with a high near 31. North northwest wind 5 to 10 mph.
Wednesday Night
 
 Mostly cloudy, with a low around 20.
Thursday
 
 Mostly sunny, with a high near 45.
Thursday Night
 
 Partly cloudy, with a low around 26.
Friday
 
 Mostly sunny, with a high near 35.
Friday Night
 
 Mostly clear, with a low around 14.
Saturday
 
 Mostly sunny, with a high near 35.
Saturday Night
 
 Partly cloudy, with a low around 19.
Sunday
 
 Mostly sunny, with a high near 39.

 

Forecast from NOAA-NWS for Spencer IA.