National Weather Service Forecast for: Le Mars IA
Issued by: National Weather Service Sioux Falls, SD
Updated: 1:03 pm CST Dec 19, 2025
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 30. South wind around 15 mph, with gusts as high as 25 mph.
Mostly Sunny
Tonight

Tonight: Increasing clouds, with a low around 28. South wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Increasing
Clouds
Saturday

Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 37. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Becoming
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 15. West northwest wind around 5 mph becoming calm  in the evening.
Mostly Clear
Sunday

Sunday: Partly sunny, with a high near 36. South wind 5 to 15 mph, with gusts as high as 20 mph.
Partly Sunny
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 30. South wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Cloudy
Monday

Monday: Partly sunny, with a high near 48.
Partly Sunny
Monday
Night
Monday Night: Mostly cloudy, with a low around 30.
Mostly Cloudy
Tuesday

Tuesday: Partly sunny, with a high near 42.
Partly Sunny
Hi 30 °F Lo 28 °F Hi 37 °F Lo 15 °F Hi 36 °F Lo 30 °F Hi 48 °F Lo 30 °F Hi 42 °F

 

This Afternoon
 
Mostly sunny, with a high near 30. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
 
Increasing clouds, with a low around 28. South wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Saturday
 
Mostly cloudy through mid morning, then gradual clearing, with a high near 37. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
 
Mostly clear, with a low around 15. West northwest wind around 5 mph becoming calm in the evening.
Sunday
 
Partly sunny, with a high near 36. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
 
Mostly cloudy, with a low around 30. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
 
Partly sunny, with a high near 48.
Monday Night
 
Mostly cloudy, with a low around 30.
Tuesday
 
Partly sunny, with a high near 42.
Tuesday Night
 
Mostly cloudy, with a low around 30.
Wednesday
 
Mostly cloudy, with a high near 48.
Wednesday Night
 
Mostly cloudy, with a low around 36.
Christmas Day
 
Partly sunny, with a high near 52.

 

Forecast from NOAA-NWS for Le Mars IA.