Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Wind Speed Calculations

Enter a speed into any blank to convert to all other wind speeds.

mph knots m/sec km/hr

Wind Chill Calculation

Enter the temperature in degrees Fahrenheit and wind speed in mph, then click on the Calculate WC to compute the windchill index.

Temp
(^oF)

Wind
(mph)

Wind Chill Index

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Weather Calculators

Temperature Conversion
Enter a number then click on the the conversion button.
Fahrenheit (^oF)
Celsius (^oC)

Relative Humidity Calculation
Enter the air temperature and the dew point in degrees Fahrenheit, then click on the Calculate RH to compute the relative humidity.
Temp (^oF)		Dew Point

Heat Index Calculations
Enter the temperature in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), or the Dew Point (T_dp). Then click on the Calculate HI to compute the heat index (HI).
Temp (^oF)	RH	HI	T_dp
OR
Temp (^oF)	T_dp	HI	RH

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