Several rounds of strong to severe thunderstorms and heavy rainfall are expected this holiday weekend across the northern and central Plains into the Upper Midwest, especially on Sunday and Memorial Day. A few strong to severe storms are possible in New England today. Critical fire weather concerns continue across much of the Southwest and through the Southern Rockies. Read More >
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National Weather Service Hanford, CA
Meteorological Calculator
Thanks to Ron Murphy, NWS Birmingham, AL for writing the JavaScript.
Temperature Conversion |
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Enter a number then click on the the conversion button. | ||||
Fahrenheit (o F) |
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Celsius (o C) |
Wind Speed Calculations |
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Enter a speed into any blank to convert to all other wind speeds. | ||||||
mph knots m/sec km/hr |
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Wind Chill Calculation |
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Enter the temperature in degrees Fahrenheit and wind speed in mph, then click on the Calculate WC to compute the windchill index. | ||||||
Temp (o F) |
Wind (mph) |
Index |
Relative Humidity Calculation |
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Enter the air temperature and the dew point in degrees Fahrenheit, then click on the Calculate RH to compute the relative humidity. | ||||||
Temp (o F) |
Dew Point |
Heat Index Calculations |
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Enter the temperature in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), or the Dew Point (Tdp). Then click on the Calculate HI to compute the heat index (HI). | ||||||||
Temp (o F) | RH | HI |
Tdp |
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Temp (o F) | Tdp | HI | RH |