National Weather Service United States Department of Commerce

Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

 

Meteorological Calculator
About This Page
Not sure how to convert Fahrenheit to Celsius? Would you like to calculate the Heat Index or Wind Chill Factor? You have come to the right place!
 
left corner Meteorological Calculator Right Corner
 
 
 
Temperature Conversion
Enter a number then click on "Compute C" or "Compute F" to see the result.
Fahrenheit
(o F)
Celsius
(o C)

 

 
Wind Chill Index Calculation
Enter in the air temperature (Tair) in degrees Fahrenheit and wind speed (mph), then click "Compute WC" to get the wind chill index (WCI). For more information about the WCI, click here.
Tair mph

 

 
Relative Humidity Calculation
Enter in the air temperature (Tair) and dew point temperature (Tdp) in degrees Fahrenheit (oF) then click on "Compute RH" to get the relative humidity (RH).
Tair Tdp

 

 
 
Heat Index Calculation
Enter in the air temperature (Tair) in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), then click on "Get HI" to compute the heat index (HI). For more information about the HI, click here.
Tair RH Tdp=
OR
Tair Tdp RH=