National Weather Service United States Department of Commerce

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

       

 

Weather Calculations / Conversions


Convert degrees Celsius to degrees Fahrenheit:
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Convert degrees Fahrenheit to degrees Celsius:
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Calculate relative humidity from temperature/dewpoint (deg C):
Enter temperature in degrees C:     Enter dewpoint in degrees C:

    


Calculate relative humidity from temperature/dewpoint (deg F):
Enter temperature in degrees F:     Enter dewpoint in degrees F:

    


Calculate heat index from temperature and humidity:
Enter temperature in degrees F:     Enter humidity in percent:

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Calculate heat index from temperature and dewpoint (deg F):
Enter temperature in degrees F:     Enter dewpoint in degrees F:

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Calculate heat index from temperature and dewpoint (deg C):
Enter temperature in degrees C:     Enter dewpoint in degrees C:

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Calculate wind chill from temperature (deg F) and wind (mph):
Enter temperature in degrees F:     Enter wind speed in mph:

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Calculate wind chill from temperature (deg C) and wind (kt):
Enter temperature in degrees C:     Enter wind speed in knots:

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Convert pressure from inches to millibars:
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