National Weather Service Forecast for: Spencer IA
Issued by: National Weather Service Sioux Falls, SD
Updated: 8:28 am CDT May 29, 2026
 
Today

Today: Mostly cloudy, with a high near 81. Southeast wind 5 to 10 mph.
Mostly Cloudy


 Tonight

Tonight: A chance of showers, with thunderstorms also possible after 4am. Cloudy, with a low around 60. East southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Slight Chance
Showers then
Chance
Showers
 Saturday

Saturday: Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, with a high near 77. Breezy, with an east southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely and
Breezy

 Saturday
Night
Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Breezy, with an east southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Chance
Showers and
Breezy then
Showers
Likely
 Sunday

Sunday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. East southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Showers
Likely

 Sunday
Night
Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Showers
Likely

 Monday

Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Partly Sunny
then Chance
T-storms

 Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57.
Chance
T-storms

 Tuesday

Tuesday: Partly sunny, with a high near 81.
Partly Sunny
Hi 81 °F Lo 60 °F Hi 77 °F Lo 57 °F Hi 78 °F Lo 58 °F Hi 82 °F Lo 57 °F Hi 81 °F

Hazardous Weather Outlook
 

Today
 
 Mostly cloudy, with a high near 81. Southeast wind 5 to 10 mph.
Tonight
 
 A chance of showers, with thunderstorms also possible after 4am. Cloudy, with a low around 60. East southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday
 
 Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, with a high near 77. Breezy, with an east southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Breezy, with an east southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Sunday
 
 Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. East southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Monday Night
 
 A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57.
Tuesday
 
 Partly sunny, with a high near 81.
Tuesday Night
 
 Mostly cloudy, with a low around 55.
Wednesday
 
 Partly sunny, with a high near 82.
Wednesday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Thursday
 
 A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Spencer IA.