Alert archive / Illinois / Frost Advisories
Frost Advisories in Illinois, 2017
11 frost advisories in 2017. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Frost Advisories
- 11
- Busiest month
- May5 frost advisories
- Busiest day
- October 25, 20173 frost advisories
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 3:05 AM CDT | Frost Advisory | ILX | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more | 29 hr |
| Apr 7, 3:06 AM CDT | Frost Advisory | PAH | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 8 more | 29 hr |
| Apr 27, 3:22 AM CDT | Frost Advisory | DVN | Carroll, Jo Daviess, Stephenson | 29 hr |
| May 2, 3:16 AM CDT | Frost Advisory | DVN | Carroll, Henry, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more | 28 hr |
| May 2, 3:18 AM CDT | Frost Advisory | LOT | Boone, DeKalb, DuPage, Kane, Lake, Lee and 3 more | 29 hr |
| May 6, 2:31 PM CDT | Frost Advisory | DVN | Bureau, Carroll, Jo Daviess, Putnam, Stephenson, Whiteside | 17 hr |
| May 6, 2:39 PM CDT | Frost Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 17 hr |
| May 7, 3:04 AM CDT | Frost Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Iroquois, Kane and 5 more | 27 hr |
| Oct 25, 3:00 AM CDT | Frost Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 29 hr |
| Oct 25, 3:16 AM CDT | Frost Advisory | ILX | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 15 more | 29 hr |
| Oct 25, 2:56 PM CDT | Frost Advisory | DVN | Bureau, Carroll, Jo Daviess, Putnam, Stephenson, Whiteside | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carroll County4
- Jo Daviess County4
- Stephenson County4
- Boone County4
- DeKalb County4
- DuPage County4
- Kane County4
- Lake County4
- McHenry County4
- Winnebago County4
- Whiteside County3
- Lee County3
- Ogle County3
- Grundy County3
- Iroquois County3
- Kankakee County3
- Kendall County3
- Champaign County2
- Clark County2
- Clay County2
- Coles County2
- Crawford County2
- Cumberland County2
- Douglas County2
- Edgar County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Vermilion County2
- Bureau County2
- Putnam County2
- Ford County2
- LaSalle County2
- Livingston County2
- Edwards County1
- Franklin County1
- Gallatin County1
- Hamilton County1
- Hardin County1
20 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.