National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Mostly Cloudy

73°F

23°C

Humidity 47%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Jun 1:15 pm CDT
Extended Forecast for

Le Mars IA

  • This Afternoon

    This Afternoon: A chance of sprinkles after 3pm. Partly sunny, with a high near 78. Calm wind becoming south southeast around 5 mph.

    High: 78 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a chance of rain between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 58. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Cloudy during the morning, then mostly sunny during the afternoon, with a high near 77. South wind 5 to 15 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 59. South southwest wind 5 to 10 mph becoming light west in the evening.

    Low: 59 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. West northwest wind 5 to 15 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 55. Northwest wind 5 to 10 mph becoming light north northwest after midnight.

    Low: 55 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of sprinkles after 3pm. Partly sunny, with a high near 78. Calm wind becoming south southeast around 5 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a chance of rain between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 58. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy during the morning, then mostly sunny during the afternoon, with a high near 77. South wind 5 to 15 mph. Chance of precipitation is 50%.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 59. South southwest wind 5 to 10 mph becoming light west in the evening.
Wednesday
Mostly sunny, with a high near 80. West northwest wind 5 to 15 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 55. Northwest wind 5 to 10 mph becoming light north northwest after midnight.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 85.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Breezy.
Sunday
Sunny, with a high near 92. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Le Mars IA
 42.78°N 96.18°W (Elev. 1211 ft)
Last Update:
11:18 am CDT Jun 22, 2026
Forecast Valid:
1pm CDT Jun 22, 2026-6pm CDT Jun 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation