Buchanan Severe Watches & Warnings NOAA Weather Radio

Special Statement
Statement as of 9:41 PM CST on March 04, 2015

... Bitterly cold overnight into early Thursday morning...

Another Arctic air mass will settle over the area overnight.
Expect temperatures to drop to 5 to 10 below zero. Northwest
winds around 5 mph will combine with the cold to produce wind
chills of 15 to around 20 below zero... through 9 am Thursday.

Wind chills of 20 below zero or colder can produce frostbite
within 30 minutes. Dress appropriately if venturing outside.

Rp Kinney