National Weather Service United States Department of Commerce

Widespread Precipitation for the Western U.S. While Rain Returns to the Gulf Coast Region

Rain and mountain snow showers will continue across the Western U.S. for the next couple days. Meanwhile, moisture will increase over Texas and the Deep South where locally heavy rainfall and minor flooding will be possible through midweek. Also, high fire danger will continue in the southern High Plains on Monday. Read More >

       

 

Weather Calculations / Conversions


Convert degrees Celsius to degrees Fahrenheit:
Enter degrees celsius:

    


Convert degrees Fahrenheit to degrees Celsius:
Enter degrees fahrenheit:

    


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:

   :


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

   :


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

   :


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

   :


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

   :


Convert pressure from inches to millibars:
Enter pressure in inches: