Barometric Pressure in Harlan, United States 
Pressure
0000 hPa
Temperature
00.0 ℃
Humidity
00.0%
Wind
00.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Harlan hour by hour and stay informed about how it will change over the next 6 hours.
Harlan, Iowa's weather is affected by its location in the Midwest. Cold Canadian air and warm Gulf of Mexico air meet, causing pressure changes.