Frost Advisory
FROST ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 AM CDT SATURDAY AWAY FROM LAKE MICHIGAN
Take steps now to protect tender plants from the cold.
Lake County, Illinois: tornado and severe weather warnings
A frost advisory is in effect for Lake County as of 4:48 PM CDT.
Open the live map on Lake County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Lake County. Tap your own street on it for times that apply to you.
The last 12 months in Lake County
- 4 tornado warnings
- 13 severe thunderstorm warnings
- 2 flash flood warnings
- 4 tornado watches
- 12 severe thunderstorm watches
The most recent tornado warning that included Lake County was issued Jun 17, 2026 by the Weather Service office in Chicago, IL.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Aug 11, 2026 | 3:49 AM CDT | Severe thunderstorm warning | LOT | text |
| Aug 9, 2026 | 11:22 PM CDT | Severe thunderstorm warning | LOT | text |
| Jul 27, 2026 | 3:35 PM CDT | Severe thunderstorm warning | LOT | text |
| Jul 27, 2026 | 12:41 PM CDT | Severe thunderstorm warning | LOT | text |
| Jul 27, 2026 | 11:25 AM CDT | Severe thunderstorm warning | LOT | text |
| Jul 27, 2026 | 10:57 AM CDT | Severe thunderstorm warning | LOT | text |
| Jun 24, 2026 | 5:57 PM CDT | Severe thunderstorm warning | LOT | text |
| Jun 17, 2026 | 9:36 PM CDT | Tornado warning | LOT | text |
| Jun 11, 2026 | 8:07 PM CDT | Severe thunderstorm warning | LOT | text |
| Jun 11, 2026 | 6:28 PM CDT | Flash flood warning | LOT | text |
| Jun 11, 2026 | 6:10 PM CDT | Severe thunderstorm warning | LOT | text |
| Jun 10, 2026 | 3:09 PM CDT | Severe thunderstorm warning | LOT | text |
A warning counts here if the Weather Service listed Lake County in it, even if the warned area covered only part of the county.
Nearby
- Cook County, IL
- DuPage County, IL
- Kenosha County, WI
- McHenry County, IL
- Kane County, IL
- Racine County, WI
- Walworth County, WI
- Milwaukee County, WI
- All of Illinois
What the alerts mean
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.