A ridge of high pressure and southwesterly flow allowed heat and humidity to build across the region.

Heat in CLARKE, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 100 and 105 degrees.

Heat in WARREN, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 100 and 105 degrees.

Heat in PAGE, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 100 and 105 degrees.

Heat in FREDERICK, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 100 and 105 degrees.

Heat in SHENANDOAH, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 100 and 105 degrees.

Heat in ROCKINGHAM, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 100 and 105 degrees.

Heat in PRINCE WILLIAM, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in FAIRFAX, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in ARLINGTON, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in STAFFORD, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in SPOTSYLVANIA, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in KING GEORGE, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in NORTHERN FAUQUIER, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in SOUTHERN FAUQUIER, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in WESTERN LOUDOUN, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in EASTERN LOUDOUN, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in ALBEMARLE, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in GREENE, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in MADISON, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in RAPPAHANNOCK, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in ORANGE, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.

Heat in CULPEPER, VIRGINIA
From 12-AUG-21 11:00:00 to 12-AUG-21 19:00:00 (EST-5)
Reported by: AWOS

Heat indices rose to between 105 and 110 degrees.