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Heat Warning

Friday, July 6, 2012

Temps Could Climb Above 100 Friday, Saturday

The heat will be dangerous, but may not be record-breaking.

The high temperature Friday and Saturday will likely exceed 100 again in Vienna, according to the National Weather Service forecast. Under mostly sunny skies, it will reach 99 degrees Friday; on Saturday, temperatures could reach 103 with a mix of clouds and sun. The heat index both days will be above 105 degrees. Amazingly, the high temperatures on Friday may not break records. The record high at Washington Reagan National Airport for July 6 (Friday) is 103, set in 1999. The record high for July 7 (Saturday) is 102, set in 2010. These high temperatures are moving in from the Midwest, where Chicago, St. Louis and other cities were baking Thursday. “A huge area of excessive heat warnings and heat advisories have been issued across the …

Thursday, June 28, 2012

Temps Expected To Soar Through Weekend

Excessive heat watch Friday; temperatures in Vienna will likely exceed 100 on Sunday

Late June will feel like late August this weekend as temperatures reach the upper 90s Thursday through Monday. The high temperature will be 93 with sun on Thursday. Temperatures will climb to 98 Friday, 99 Saturday and 101 Sunday. Fairfax County has issued an excessive heat watch for Friday, when temperatures will reach the upper 90s and the heat index will climb to 110 degrees.  What is a heat index? It provides a sense of how hot it really feels when humidity combines with the actual air temperature you read on the thermometer, the National Oceanic and Atmospheric Association (NOAA) says. For instance, if the relative humidity is 65 percent with an air temperature of 96 degrees, the heat index is 121 degrees. (See the NOAA chart above …

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