National Weather Service Forecast for: Storm Lake IA
Issued by: National Weather Service Sioux Falls, SD
Updated: 11:33 am CDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 67. East wind 5 to 10 mph becoming south.
Sunny

 Tonight

Tonight: Partly cloudy, with a low around 43. South southwest wind 5 to 10 mph becoming west after midnight.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 71. West northwest wind around 10 mph.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 44. Southwest wind 5 to 10 mph.
Partly Cloudy

 Saturday

Saturday: Sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 45. Breezy, with a south wind 10 to 20 mph becoming north after midnight. Winds could gust as high as 25 mph.
Mostly Clear
then Partly
Cloudy and
Breezy
 Sunday

Sunday: Partly sunny, with a high near 59. Breezy.
Partly Sunny
and Breezy

 Sunday
Night
Sunday Night: Mostly clear, with a low around 28.
Mostly Clear

 Monday

Monday: Partly sunny, with a high near 53.
Partly Sunny
Hi 67 °F Lo 43 °F Hi 71 °F Lo 44 °F Hi 82 °F Lo 45 °F Hi 59 °F Lo 28 °F Hi 53 °F

 

This Afternoon
 
 Sunny, with a high near 67. East wind 5 to 10 mph becoming south.
Tonight
 
 Partly cloudy, with a low around 43. South southwest wind 5 to 10 mph becoming west after midnight.
Friday
 
 Mostly sunny, with a high near 71. West northwest wind around 10 mph.
Friday Night
 
 Partly cloudy, with a low around 44. Southwest wind 5 to 10 mph.
Saturday
 
 Sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
 
 Partly cloudy, with a low around 45. Breezy, with a south wind 10 to 20 mph becoming north after midnight. Winds could gust as high as 25 mph.
Sunday
 
 Partly sunny, with a high near 59. Breezy.
Sunday Night
 
 Mostly clear, with a low around 28.
Monday
 
 Partly sunny, with a high near 53.
Monday Night
 
 Mostly cloudy, with a low around 38.
Tuesday
 
 Mostly cloudy, with a high near 60.
Tuesday Night
 
 Mostly cloudy, with a low around 37.
Wednesday
 
 Partly sunny, with a high near 67.

 

Forecast from NOAA-NWS for Storm Lake IA.