County Forecast for Le Mars , IA
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151700-
Plymouth-
Including the city of Le Mars
319 AM CST Thu Jan 15 2026

Today   Partly sunny. A chance of sprinkles this afternoon. Not as cool with highs in the lower 40s. South winds 10 to 15 mph, becoming west 15 to 20 mph this afternoon.
Tonight   Mostly cloudy with a chance of flurries. Breezy and not as cool with lows in the mid 20s. Northwest winds 15 to 25 mph with gusts up to 40 mph.
Friday   Mostly cloudy with a 50 percent chance of snow. Little or no snow accumulation. Windy, cooler with highs around 30. Temperature falling to around 20 in the afternoon. Northwest winds 25 to 30 mph with gusts up to 45 mph.
Friday night   Mostly cloudy and windy. Much colder with lows around 4 above. Northwest winds 20 to 30 mph with gusts up to 40 mph, diminishing to 15 to 20 mph with gusts up to 30 mph after midnight. Wind chill values as low as 14 below.
Saturday   Partly sunny. Much colder with highs around 10 above. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 16 below.
Saturday night   Partly cloudy. Cold with lows around zero. Temperature rising to around 5 above after midnight. Wind chill values as low as 15 below.
Sunday   Partly sunny. Not as cool with highs around 30.
Sunday night   Partly cloudy. Cold with lows zero to 5 above zero. Wind chill values as low as 15 below after midnight.
Martin luther king jr day   Mostly sunny. Cooler with highs 15 to 20. Wind chill values as low as 15 below in the morning.
Monday night   Partly cloudy in the evening, then clearing. Cold with lows around zero.
Tuesday   Mostly sunny. Not as cool with highs in the upper 20s.
Tuesday night   Mostly cloudy. Not as cool with lows around 15.
Wednesday   Partly sunny. Highs in the lower 30s.
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Bryce Anderson – DTN Meteorologist
Next Clipper Moving in Thursday

Weather systems bring snow, showers, and strong winds to Northeast, Midwest and northern Plains Thursday-Friday. » More DTN Weather Commentary

Posted at 12:24PM Wed Jan 14, 2026 CST
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