A strong arctic high pressure system brought historic cold to much of the Midwest January 29th through January 31st.  Numerous low temperature records were broken, including all-time record lows at Moline.  A state record low temperature was observed by the Mount Carroll Cooperative Observer on January 31st when they record a low of -38F. In addition, life threatening wind chills were reported with values below -30 degrees for many hours.  Numerous schools, churches, and businesses closed during the arctic outbreak.

Cold/Wind Chill in CARROLL, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A state record low temperature was recorded on January 31st when the Cooperative Observer recorded a low temperature  of -38 degrees Fahrenheit. In addition, the lowest wind chill at the Savanna Airport was -53 at 335 AM on January 30th.

Extreme Cold/Wind Chill in ROCK ISLAND, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several record cold temperatures were broken at the Moline. Record low temperatures were broken on the 30th and 31st when the low temperatures were -29 and -33 Fahrenheit respectively. The -33 degrees on the 31st also broke the records for lowest temperature at the site ad January as well as the all time record low. A record cold high was recorded on January 30th when Moline had a high of -8 degrees. The lowest wind chill was -52 at 229 AM on January 30th.

Extreme Cold/Wind Chill in STEPHENSON, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The lowest wind chill at the Freeport AWOS was -53 at 555 AM on January 30th.

Extreme Cold/Wind Chill in JO DAVIESS, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The lowest wind chill at the Dubuque ASOS was -55 at at 653 AM on January 30th.

Extreme Cold/Wind Chill in WHITESIDE, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The lowest wind chill at the Sterling-Rock Falls AWOS was -56 at 556 AM on January 30th.

Extreme Cold/Wind Chill in HENRY, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Extreme Cold/Wind Chill in BUREAU, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Extreme Cold/Wind Chill in PUTNAM, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Extreme Cold/Wind Chill in MERCER, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Extreme Cold/Wind Chill in HENDERSON, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The lowest wind chill at the Burlington ASOS was -46 at 253 AM on January 30th.

Extreme Cold/Wind Chill in WARREN, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Extreme Cold/Wind Chill in HANCOCK, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The lowest wind chills at the Keokuk and Fort Madison were -43 (555 AM) and -47 (235 AM) respectively.

Extreme Cold/Wind Chill in MCDONOUGH, ILLINOIS
From 29-JAN-19 18:00:00 to 31-JAN-19 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations