NWS Forecast Office Huntsville, AL

Low temperatures and precipitation chances for tonight.

High temperatures and precipitation chances for tomorrow.

Dangerously hot & humid weather conditions will remain in place into the first half of the weekend period. Maximum heat indices over much of the Tennessee Valley will climb into the 100-107F range, especially over northwest Alabama. Scattered to numerous showers & thunderstorms will then return later this weekend, as a weak front settles into the area.

This graphic contains daily climate data (climate normals and records) for today for the sites listed. The legend is in the lower left portion of the image. The current "normals" period is 1981-2010. The date for each location represents the year in which the first observations began. However, some weather elements were recorded and/or retained before others at some sites. For example, at Huntsville, precipitation records begin in 1894, but official temperature records start in 1907. Following is a list containing the starting year that continuous weather records began at each site. Location: Year Temperature Records Began/Year Precipitation Records Began... Huntsville:1907/1894... Muscle Shoals:1893/1893... Cullman:1907/1907... Fayetteville:1957/1935... Guntersville:1910/1904... Russellville:1953/1953... Scottsboro:1891/1891... For more information, please visit the National Centers for Environmental Information at http://www.ncdc.noaa.gov