A bitter cold airmass settled over the Western Great Lakes region on the 17th and 18th.  On the morning of the 18th, temperatures dropped into the 15 below to 20 below zero range across east central Wisconsin, 18 below to 24 below zero across central Wisconsin, and 22 below to 27 below zero across northern Wisconsin.  The cold temperatures combined with west winds of 5 to 15 mph to produce extremely cold wind chill readings.  The coldest wind chills included -49 at Rhinelander (Oneida Co.), -45 at Antigo (Langlade Co.) and Mosinee (Marathon Co.), -42 at Marshfield (Wood Co.), -41 at Green Bay (Brown Co.) and Appleton (Outagamie Co.), and -40 at Eagle River and Land O' Lakes (Vilas Co.).

Cold/Wind Chill in SOUTHERN OCONTO, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in OUTAGAMIE, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in WAUSHARA, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in SHAWANO, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in PORTAGE, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in MENOMINEE, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in NORTHERN OCONTO, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in BROWN, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in KEWAUNEE, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in ONEIDA, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in VILAS, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in FOREST, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in WOOD, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in DOOR, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in MARATHON, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in WAUPACA, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in CALUMET, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in MANITOWOC, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in SOUTHERN MARINETTE, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in WINNEBAGO, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in NORTHERN MARINETTE, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in LINCOLN, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC

Cold/Wind Chill in FLORENCE, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: OFFICIAL NWS OBS.

Cold/Wind Chill in LANGLADE, WISCONSIN
From 17-FEB-06 18:00:00 to 18-FEB-06 12:00:00 (CST)
Reported by: AWOS,ASOS,MESONET,ETC