Arctic air and gusty winds caused low wind chills to develop.

Extreme Cold/Wind Chill in EXTREME WESTERN ALLEGANY, MARYLAND
From 05-JAN-18 02:00:00 to 06-JAN-18 08:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -20 to -30 degrees.

Cold/Wind Chill in ST. MARY'S, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in ST. MARY'S, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in CALVERT, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in SOUTHERN BALTIMORE, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in PRINCE GEORGES, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in ANNE ARUNDEL, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in CHARLES, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in NORTHWEST HARFORD, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in NORTHERN BALTIMORE, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in NORTHWEST MONTGOMERY, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in NORTHWEST HOWARD, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in CENTRAL AND SOUTHEAST MONTGOMERY, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in CENTRAL AND SOUTHEAST HOWARD, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.

Cold/Wind Chill in FREDERICK, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -10 to -20 degrees.

Cold/Wind Chill in CARROLL, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -10 to -20 degrees.

Cold/Wind Chill in WASHINGTON, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -10 to -20 degrees.

Cold/Wind Chill in CENTRAL AND EASTERN ALLEGANY, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -10 to -20 degrees.

Cold/Wind Chill in EXTREME WESTERN ALLEGANY, MARYLAND
From 04-JAN-18 05:00:00 to 05-JAN-18 02:00:00 (EST-5)
Reported by: Mesonet

Wind chill were around -10 to -25 degrees.

Cold/Wind Chill in SOUTHEAST HARFORD, MARYLAND
From 05-JAN-18 00:00:00 to 05-JAN-18 10:00:00 (EST-5)
Reported by: AWOS

Wind chill were around -5 to -15 degrees.