Illinois, 2025

Winter Weather in Illinois, February 12 to 13, 2025

February 12 to 13, 2025 · NWS LOT · 6 events in 6 counties and zones

Periods of snow moved across northern Illinois from the late evening of February 11th through the late evening of February 12th. Most locations received 2 to 4 inches of snow but there was a band of heavier snow across far northern Illinois, near the Wisconsin state line, where 4 to 6 inches of snow fell.

Where it happened

Every event with a place to put it; 6 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
6

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.

Periods of snow moved across northern Illinois from the late evening of February 11th through the late evening of February 12th. Most locations received 2 to 4 inches of snow but there was a band of heavier snow across far northern Illinois, near the Wisconsin state line, where 4 to 6 inches of snow fell. Rockford Airport reported 4.9 inches of snow and O'Hare Airport reported 4.2 inches of snow.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

6 winter weather. Local standard time, as filed.

Winter Weather, Winnebago

When
February 12, 7:00 AM CST to February 13, 12:00 AM CST
Where
Winnebago forecast zone
Reported by
Official NWS Observations
Coordinates
42.336, -89.161 (the zone’s center; the record gives no point)

Winter Weather, Ogle

When
February 12, 7:00 AM CST to February 13, 12:00 AM CST
Where
Ogle forecast zone
Reported by
AWOS
Coordinates
42.043, -89.321 (the zone’s center; the record gives no point)

Winter Weather, Boone

When
February 12, 8:00 AM CST to February 13, 12:00 AM CST
Where
Boone forecast zone
Reported by
Trained Spotter
Coordinates
42.323, -88.823 (the zone’s center; the record gives no point)

Winter Weather, McHenry

When
February 12, 9:00 AM CST to February 13, 12:00 AM CST
Where
McHenry forecast zone
Reported by
Trained Spotter
Coordinates
42.324, -88.452 (the zone’s center; the record gives no point)

Winter Weather, Lake

When
February 12, 9:00 AM CST to February 13, 12:00 AM CST
Where
Lake forecast zone
Reported by
ASOS
Coordinates
42.349, -87.862 (the zone’s center; the record gives no point)

Winter Weather, Northern Cook County

When
February 12, 9:00 AM CST to February 13, 12:00 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)

What these are

Winter Weather
Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Illinois in 2025Every state in 2025This day in weather historyWarnings in Illinois, February 2025

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 2026-09-24. Each event’s entry at NCEI: 1237105, 1237108, 1237096, 1237099, 1237101, 1237111.