High pressure built into the Mid-Atlantic region on January 21st.  A combination of clear skies, calm winds, and a fresh snowpack led to extremely cold overnight temperatures. On the morning of the 22nd, the mercury dropped into the single digits above and below zero.  Low temperatures included 7 degrees at Dulles International Airport and in Fredericksburg, -4 degrees in Culpeper, 3 degrees in Winchester, -1 degrees in Luray, 4 degrees in Waynesboro, and -3 degrees in Mustoe.  Washington National Airport only dropped to 14 degrees because of its metropolitan location.

Extreme Cold/Wind Chill in SHENANDOAH, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in ARLINGTON / ALEXANDRIA / FALLS CHURCH, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in PRINCE WILLIAM, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in HIGHLAND, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in PAGE, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in RAPPAHANNOCK, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in WARREN, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in FAUQUIER, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in CULPEPER, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in STAFFORD, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in KING GEORGE, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in AUGUSTA / STAUNTON / WAYNESBORRO, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in ALBEMARLE / CHARLOTTTESVILLE, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in ROCKINGHAM / HARRISONBURG, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in GREENE, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in NELSON, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in FREDERICK / WINCHESTER, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in CLARKE, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in LOUDOUN, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in FAIRFAX, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in MADISON, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in ORANGE, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.

Extreme Cold/Wind Chill in SPOTSYLVANIA / FREDERICKSBURG, VIRGINIA
From 22-JAN-00 00:00:00 to 22-JAN-00 10:00:00 (EST)
Reported by: OFFICIAL NWS OBS.