Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

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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!

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Temperature Conversion
Enter a number then click on "Compute C" or "Compute F" to see the result.
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Wind Chill Index Calculation
Enter in the air temperature (T_air) 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.
T_air		mph

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

Heat Index Calculation
Enter in the air temperature (T_air) 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.
T_air	RH	T_dp=
OR
T_air	T_dp	RH=

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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

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