National Weather Service Forecast for: Le Mars 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 84. West wind 5 to 10 mph.
Sunny
Tonight

Tonight: Mostly clear, with a low around 52. West wind around 5 mph becoming calm.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 76. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 48. West northwest wind around 5 mph becoming calm.
Partly Cloudy
Thursday

Thursday: Mostly sunny, with a high near 70. Calm wind becoming east southeast around 5 mph.
Mostly Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 51. Calm wind becoming southeast around 5 mph.
Partly Cloudy
Friday

Friday: Sunny, with a high near 75.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 60.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 81. Breezy.
Sunny and
Breezy
Hi 84 °F Lo 52 °F Hi 76 °F Lo 48 °F Hi 70 °F Lo 51 °F Hi 75 °F Lo 60 °F Hi 81 °F

 

This Afternoon
 
Sunny, with a high near 84. West wind 5 to 10 mph.
Tonight
 
Mostly clear, with a low around 52. West wind around 5 mph becoming calm.
Wednesday
 
Sunny, with a high near 76. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 48. West northwest wind around 5 mph becoming calm.
Thursday
 
Mostly sunny, with a high near 70. Calm wind becoming east southeast around 5 mph.
Thursday Night
 
Partly cloudy, with a low around 51. Calm wind becoming southeast around 5 mph.
Friday
 
Sunny, with a high near 75.
Friday Night
 
Mostly clear, with a low around 60.
Saturday
 
Sunny, with a high near 81. Breezy.
Saturday Night
 
Clear, with a low around 63.
Sunday
 
Sunny, with a high near 76.
Sunday Night
 
A 30 percent chance of showers. Partly cloudy, with a low around 55.
Columbus Day
 
A 40 percent chance of showers. Partly sunny, with a high near 64.

 

Forecast from NOAA-NWS for Le Mars IA.