National Weather Service Forecast for: Spencer IA
Issued by: National Weather Service Sioux Falls, SD
Updated: 7:43 am CDT May 26, 2026
 
Today

Today: Sunny, with a high near 90. South wind around 10 mph.
Sunny
Tonight

Tonight: Mostly clear, with a low around 61. South southwest wind around 5 mph becoming east southeast in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 90. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 60. East northeast wind 5 to 10 mph becoming south in the evening.
Mostly Clear
Thursday

Thursday: Mostly sunny, with a high near 84. East southeast wind around 10 mph.
Mostly Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 57. East southeast wind 5 to 10 mph.
Partly Cloudy
Friday

Friday: Partly sunny, with a high near 82.
Partly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 55.
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 80.
Mostly Sunny
Hi 90 °F Lo 61 °F Hi 90 °F Lo 60 °F Hi 84 °F Lo 57 °F Hi 82 °F Lo 55 °F Hi 80 °F

Hazardous Weather Outlook
 

Today
 
Sunny, with a high near 90. South wind around 10 mph.
Tonight
 
Mostly clear, with a low around 61. South southwest wind around 5 mph becoming east southeast in the evening.
Wednesday
 
Sunny, with a high near 90. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 60. East northeast wind 5 to 10 mph becoming south in the evening.
Thursday
 
Mostly sunny, with a high near 84. East southeast wind around 10 mph.
Thursday Night
 
Partly cloudy, with a low around 57. East southeast wind 5 to 10 mph.
Friday
 
Partly sunny, with a high near 82.
Friday Night
 
Partly cloudy, with a low around 55.
Saturday
 
Mostly sunny, with a high near 80.
Saturday Night
 
Mostly cloudy, with a low around 54.
Sunday
 
Mostly sunny, with a high near 78.
Sunday Night
 
Partly cloudy, with a low around 53.
Monday
 
Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Spencer IA.