road crews in virginia have been put on alert due to the high heat. they will be on the lookout for buckling and crackling pavement being baked. warning motorists to watch out for the pavement, especially motorcycle drivers. tom kierein is here. this is the dangerous heat we warning people about. you don t want to be outdoing anything if you can help it. 10:00 to 4:00 in the afternoon the meet can be dangerous. 105 to 110. it can be fatal. if you overexert in this kind of heat. 78 in washington and near 70 in montgomery county. upper 60s farther west in many locations. the humidity is increasing as the winds shift to the south and southwest. after a brief break, humidity returns. eastern shore, the low 70s. and we ve had that high pressure that was over us yesterday, gave us a little bit lower humidity. that has moved off the coast and the winds are shifting into the south and southwest. that will heat us up into the upper 90s. heat index to around 105. that combination o