National Weather Service United States Department of Commerce

Critical Fire Weather Conditions for California and the Plains; Wet and Stormy Across the East

Critical fire weather conditions are likely to persist over parts of California and the Plains through Thursday. Elsewhere, a pair of cold fronts will deliver wet and stormy conditions to the eastern U.S. into Wednesday. Much cooler air will arrive in wake of the frontal passages with a return to below normal temperatures. Read More >

Station Pressure

by Tim Brice and Todd Hall


Enter the elevation of the station and choose your units: Station Pressure in inches of mercury:
feet meters in HG
Enter your altimeter setting and choose your units: Station Pressure in millimeters of mercury:
in of mercury mm of mercury millibars (hPA) mm HG
  Station Pressure in millibars (hectoPascals):
  mb (hPA)


What is the formula for the station pressure script?