National Weather Service Forecast for: Spencer IA
Issued by: National Weather Service Sioux Falls, SD
Updated: 7:53 pm CDT Jul 16, 2026
 
Tonight

Tonight: Clear, with a low around 68. South wind around 5 mph.
Clear

Friday

Friday: Sunny, with a high near 92. Southwest wind 5 to 10 mph.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 70. South southwest wind 5 to 10 mph becoming west northwest after midnight.
Mostly Clear

Saturday

Saturday: Sunny, with a high near 88. North northeast wind 5 to 10 mph.
Sunny

Saturday
Night
Saturday Night: Mostly clear, with a low around 64. North northeast wind 5 to 10 mph becoming east southeast after midnight.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 91. South southeast wind around 5 mph.
Sunny

Sunday
Night
Sunday Night: A 30 percent chance of showers after 1am.  Partly cloudy, with a low around 72.
Mostly Clear
then Chance
Showers
Monday

Monday: Mostly sunny and hot, with a high near 95.
Hot

Monday
Night
Monday Night: Mostly clear, with a low around 67.
Mostly Clear

Lo 68 °F Hi 92 °F Lo 70 °F Hi 88 °F Lo 64 °F Hi 91 °F Lo 72 °F Hi 95 °F Lo 67 °F

Hazardous Weather Outlook
 

Tonight
 
Clear, with a low around 68. South wind around 5 mph.
Friday
 
Sunny, with a high near 92. Southwest wind 5 to 10 mph.
Friday Night
 
Mostly clear, with a low around 70. South southwest wind 5 to 10 mph becoming west northwest after midnight.
Saturday
 
Sunny, with a high near 88. North northeast wind 5 to 10 mph.
Saturday Night
 
Mostly clear, with a low around 64. North northeast wind 5 to 10 mph becoming east southeast after midnight.
Sunday
 
Sunny, with a high near 91. South southeast wind around 5 mph.
Sunday Night
 
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 72.
Monday
 
Mostly sunny and hot, with a high near 95.
Monday Night
 
Mostly clear, with a low around 67.
Tuesday
 
Mostly sunny, with a high near 84.
Tuesday Night
 
Partly cloudy, with a low around 60.
Wednesday
 
Mostly sunny, with a high near 82.
Wednesday Night
 
A 30 percent chance of showers. Partly cloudy, with a low around 59.
Thursday
 
A 30 percent chance of showers. Partly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Spencer IA.