* WHAT…For the Heat Advisory, heat index values of 100 to 108 are
expected. For the Extreme Heat Watch, dangerously hot conditions
with heat index values of 100 to 110.
* WHERE…Portions of central, north central, and south central Iowa.
* WHEN…For the Heat Advisory, from noon to 8 PM CDT Friday. For
the Extreme Heat Watch, from Saturday afternoon through Sunday
evening.
* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.
* ADDITIONAL DETAILS…Heat impacts will be worsened by several
consecutive days of sweltering temperatures, with little relief
overnight as lows will only be in the upper 70s.