Vapor Pressure Calculator

Heavy Snow in the Northern Rockies; Severe Weather Across the Plains; Critical Fire Weather in the Southwest

Heavy wet snow and gusty winds are expected in the higher elevations of Idaho, western Montana, and Wyoming Thursday. Meanwhile, another round of severe storms are expected to develop across the central and southern Plains. Damaging winds, tornadoes and large hail are the primary threats. Further west, dry conditions and gusty winds will lead to critical fire weather concerns in the Southwest Read More >

Vapor Pressure

Heavy Snow in the Northern Rockies; Severe Weather Across the Plains; Critical Fire Weather in the Southwest

Vapor Pressure

by Tim Brice and Todd Hall

Enter a temperature or a dewpoint or both:

Vapor Pressure

What is the formula for the vapor pressure script?