Extreme Cold/Wind Chill, Winnebago
- When
- January 23, 12:00 AM CST to January 24, 10:00 AM CST
- Where
- Winnebago forecast zone
- Reported by
- ASOS
- Coordinates
- 42.336, -89.161 (the zone’s center; the record gives no point)
Extreme Cold and Cold in Illinois, January 23 to 24, 2026
Bitterly cold air moved across northern Illinois on January 23rd and January 24th with wind chills between 25 below and 35 below zero. Wind chills 35 below to 40 below zero occurred across far northern and northwest Illinois.
Where it happened
Every event with a place to put it; 22 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 22
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS LOT wrote it up.
Bitterly cold air moved across northern Illinois on January 23rd and January 24th with wind chills between 25 below and 35 below zero. Wind chills 35 below to 40 below zero occurred across far northern and northwest Illinois.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before the first event at Jan 22, 11:05 PM CST, 55 minutes earlier.
Area forecast discussion, Jan 22, 11:05 PM CST, 55 minutes before
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</html>The radar
The national radar mosaic for the moment the first event began.
Event by event
16 extreme cold/wind chill, 6 cold/wind chill. Local standard time, as filed.
Extreme Cold/Wind Chill, Boone
- When
- January 23, 12:00 AM CST to January 24, 10:00 AM CST
- Where
- Boone forecast zone
- Reported by
- ASOS
- Coordinates
- 42.323, -88.823 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, McHenry
- When
- January 23, 1:00 AM CST to January 24, 10:00 AM CST
- Where
- McHenry forecast zone
- Reported by
- ASOS
- Coordinates
- 42.324, -88.452 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Ogle
- When
- January 23, 1:00 AM CST to January 24, 10:00 AM CST
- Where
- Ogle forecast zone
- Reported by
- AWOS
- Coordinates
- 42.043, -89.321 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Lee
- When
- January 23, 1:00 AM CST to January 24, 10:00 AM CST
- Where
- Lee forecast zone
- Reported by
- AWOS
- Coordinates
- 41.746, -89.300 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, De Kalb
- When
- January 23, 1:00 AM CST to January 24, 10:00 AM CST
- Where
- De Kalb forecast zone
- Reported by
- AWOS
- Coordinates
- 41.894, -88.770 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Kane
- When
- January 23, 1:00 AM CST to January 24, 10:00 AM CST
- Where
- Kane forecast zone
- Reported by
- ASOS
- Coordinates
- 41.939, -88.429 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Du Page
- When
- January 23, 1:00 AM CST to January 24, 10:00 AM CST
- Where
- Du Page forecast zone
- Reported by
- ASOS
- Coordinates
- 41.852, -88.086 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Kendall
- When
- January 23, 1:00 AM CST to January 24, 10:00 AM CST
- Where
- Kendall forecast zone
- Reported by
- ASOS
- Coordinates
- 41.591, -88.429 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, La Salle
- When
- January 23, 2:00 AM CST to January 24, 8:00 AM CST
- Where
- La Salle forecast zone
- Reported by
- AWOS
- Coordinates
- 41.344, -88.886 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Northern Will County
- When
- January 23, 2:00 AM CST to January 24, 8:00 AM CST
- Where
- Northern Will County forecast zone
- Reported by
- AWOS
- Coordinates
- 41.445, -87.979 (the zone’s center; the record gives no point)
Cold/Wind Chill, Grundy
- When
- January 23, 2:00 AM CST to January 24, 6:00 AM CST
- Where
- Grundy forecast zone
- Reported by
- AWOS
- Coordinates
- 41.285, -88.418 (the zone’s center; the record gives no point)
Cold/Wind Chill, Southern Will County
- When
- January 23, 2:00 AM CST to January 24, 8:00 AM CST
- Where
- Southern Will County forecast zone
- Reported by
- AWOS
- Coordinates
- 41.445, -87.979 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Lake
- When
- January 23, 3:00 AM CST to January 24, 11:00 AM CST
- Where
- Lake forecast zone
- Reported by
- ASOS
- Coordinates
- 42.349, -87.862 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Northern Cook County
- When
- January 23, 3:00 AM CST to January 24, 10:00 AM CST
- Where
- Northern Cook County forecast zone
- Reported by
- ASOS
- Coordinates
- 41.895, -87.646 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Central Cook County
- When
- January 23, 4:00 AM CST to January 24, 10:00 AM CST
- Where
- Central Cook County forecast zone
- Reported by
- ASOS
- Coordinates
- 41.895, -87.646 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Southern Cook County
- When
- January 23, 4:00 AM CST to January 24, 8:00 AM CST
- Where
- Southern Cook County forecast zone
- Reported by
- AWOS
- Coordinates
- 41.895, -87.646 (the zone’s center; the record gives no point)
Extreme Cold/Wind Chill, Eastern Will County
- When
- January 23, 4:00 AM CST to January 24, 8:00 AM CST
- Where
- Eastern Will County forecast zone
- Reported by
- AWOS
- Coordinates
- 41.445, -87.979 (the zone’s center; the record gives no point)
Cold/Wind Chill, Livingston
- When
- January 23, 4:00 AM CST to January 24, 8:00 AM CST
- Where
- Livingston forecast zone
- Reported by
- AWOS
- Coordinates
- 40.892, -88.558 (the zone’s center; the record gives no point)
Cold/Wind Chill, Kankakee
- When
- January 23, 5:00 AM CST to January 24, 6:00 AM CST
- Where
- Kankakee forecast zone
- Reported by
- AWOS
- Coordinates
- 41.138, -87.862 (the zone’s center; the record gives no point)
Cold/Wind Chill, Iroquois
- When
- January 23, 5:00 AM CST to January 24, 8:00 AM CST
- Where
- Iroquois forecast zone
- Reported by
- AWOS
- Coordinates
- 40.747, -87.824 (the zone’s center; the record gives no point)
Cold/Wind Chill, Ford
- When
- January 23, 5:00 AM CST to January 24, 8:00 AM CST
- Where
- Ford forecast zone
- Reported by
- AWOS
- Coordinates
- 40.597, -88.223 (the zone’s center; the record gives no point)
What these are
- Extreme Cold/Wind Chill
- Temperatures or wind chills at or below the local warning criteria, or cold that caused deaths.
- Cold/Wind Chill
- Cold or wind chill below warning criteria that caused deaths, injuries or damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Winter Storm and Extreme Cold in Texas, January 23 to 28, 2026
- Ice Storm and Winter Storm in Mississippi, January 23 to 25, 2026
- Extreme Cold and Cold in Indiana, January 23 to 24, 2026
- Extreme Cold in Michigan, January 23 to 24, 2026
- Winter Storm and Winter Weather in Arkansas, January 23 to 27, 2026
- Winter Storm and Winter Weather in Texas, January 23 to 25, 2026
- Winter Storm and Extreme Cold in Texas, January 23 to 27, 2026
- Winter Storm in Oklahoma, January 23 to 25, 2026
- Winter Storm in Missouri, January 23 to 25, 2026
- Extreme Cold and Cold in New York, January 23 to 24, 2026
- Extreme Cold in Virginia, January 23 to 31, 2026
- Winter Storm in Kansas, January 23 to 25, 2026
More
Every storm in Illinois in 2026Every state in 2026This day in weather historyWarnings in Illinois, January 2026
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1308942, 1308943, 1308944, 1308946, 1308947, 1308948, 1308949, 1308951, 1308954, 1308953, 1308955, 1308958, 1308959, 1308945, 1308950, 1308952, 1308956, 1308957, 1308960, 1308961, 1308962, 1308963.