National Weather ServiceIllinoisFreezing Rain AdvisoryArchive to October 1, 2026
Freezing Rain Advisories in Illinois
The National Weather Service issued 0 freezing rain advisories for Illinois in 2025 and 4 a year on average in 2008-2025; in 2021-2025 it had the 15th most of any state. 2026 through September: 0, 100% below the average of 2 for those months in 2008-2025. Boone was covered most often (14 times since 2008).
How many freezing rain advisories does Illinois get?
Every freezing rain advisory that covered part of Illinois. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 0 |
| 2025 | 0 |
| 2024 | 0 |
| 2023 | 0 |
| 2022 | 0 |
| 2021 | 0 |
| 2020 | 0 |
| 2019 | 0 |
| 2018 | 0 |
| 2017 | 7 |
| 2016 | 0 |
| 2015 | 8 |
| 2014 | 8 |
| 2013 | 17 |
| 2012 | 1 |
| 2011 | 6 |
| 2010 | 6 |
| 2009 | 4 |
| 2008 | 11 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Illinois get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Illinois?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Boone | 14 | 0 | January 11, 2017 |
| Ford | 14 | 0 | January 11, 2017 |
| Iroquois | 14 | 0 | January 11, 2017 |
| Kane | 14 | 0 | January 11, 2017 |
| Kankakee | 14 | 0 | January 11, 2017 |
| Lake | 14 | 0 | January 11, 2017 |
| Lee | 14 | 0 | January 11, 2017 |
| McHenry | 14 | 0 | January 11, 2017 |
| McLean | 14 | 0 | January 13, 2017 |
| Livingston | 13 | 0 | January 11, 2017 |
| Ogle | 13 | 0 | January 11, 2017 |
| Tazewell | 13 | 0 | January 13, 2017 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a freezing rain advisory?
A freezing rain advisory covered light freezing rain that glazes roads and walkways, below ice storm warning amounts. Since October 2017 the NWS issues a winter weather advisory for it. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Illinois.