National Weather Service Forecast for: Storm Lake IA
Issued by: National Weather Service Sioux Falls, SD
Updated: 12:43 pm CDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 80. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 53. West southwest wind around 5 mph becoming north after midnight.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 74. North wind around 5 mph.
Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 48. West wind around 5 mph becoming calm.
Partly Cloudy
 Thursday

Thursday: Mostly sunny, with a high near 68. Calm wind.
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph.
Partly Cloudy
 Friday

Friday: Mostly sunny, with a high near 72.
Mostly Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 59.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 78. Breezy.
Sunny and
Breezy
Hi 80 °F Lo 53 °F Hi 74 °F Lo 48 °F Hi 68 °F Lo 50 °F Hi 72 °F Lo 59 °F Hi 78 °F

 

This Afternoon
 
 Sunny, with a high near 80. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
 
 Mostly clear, with a low around 53. West southwest wind around 5 mph becoming north after midnight.
Wednesday
 
 Sunny, with a high near 74. North wind around 5 mph.
Wednesday Night
 
 Partly cloudy, with a low around 48. West wind around 5 mph becoming calm.
Thursday
 
 Mostly sunny, with a high near 68. Calm wind.
Thursday Night
 
 Partly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph.
Friday
 
 Mostly sunny, with a high near 72.
Friday Night
 
 Mostly clear, with a low around 59.
Saturday
 
 Sunny, with a high near 78. Breezy.
Saturday Night
 
 Mostly clear, with a low around 63.
Sunday
 
 Sunny, with a high near 75.
Sunday Night
 
 A 30 percent chance of showers. Partly cloudy, with a low around 55.
Columbus Day
 
 A 30 percent chance of showers. Partly sunny, with a high near 64.

 

Forecast from NOAA-NWS for Storm Lake IA.