Barometric Pressure in Le Mars, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in Le Mars, Iowa, United States is predicted falling over the next 24 hours, with an average pressure of today, which is considered normal.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in Le Mars - often a sign of approaching weather shifts. Get accurate local time and alerts on our iOS app.
- Rapid Rise - ()
- Rapid Rise - ()
The daily total fluctuation in pressure in Le Mars is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Le Mars hour by hour and stay informed about how it will change over the next 6 hours.
Le Mars has a humid continental climate, with four clear seasons. Summers are warm and humid, while winters are cold and often snowy. Spring and fall bring changing temperatures and many windy days.
The area is mostly flat farmland, with no mountains to block moving air. This lets cold air from Canada and warm, moist air from the Gulf of Mexico move into the region. These air masses can meet near Le Mars and cause thunderstorms, heavy rain, strong winds, or snow.
Air pressure changes often affect the weather. Falling pressure can bring clouds, wind, and storms. Rising pressure usually brings calmer and clearer weather. Low-pressure systems are common in spring and fall, while strong high-pressure systems can bring very cold winter air or hot, dry summer days.
Summer rainfall helps crops grow, but droughts can happen when hot weather lasts for a long time. Winter storms may bring snow, ice, and blowing snow. Rapid changes are common because weather systems can move across the open plains quickly.