Alert archive / Illinois / Frost Advisories

Frost Advisories in Illinois, 2020

27 frost advisories in 2020. 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 2020. Tap one for its archive.

Frost Advisories
27
Busiest month
October11 frost advisories
Busiest day
October 4, 20205 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.

IssuedProductOfficeCountiesLasted
Apr 10, 3:14 AM CDTFrost AdvisoryILXChampaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more24 hr
Apr 10, 3:24 AM CDTFrost AdvisoryPAHEdwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 8 more28 hr
Apr 15, 1:32 PM CDTFrost AdvisoryPAHAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more17 hr
Apr 15, 3:41 PM CDTFrost AdvisoryLSXRandolph16 hr
Apr 17, 2:27 AM CDTFrost AdvisoryPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more30 hr
Apr 17, 11:46 AM CDTFrost AdvisoryLSXBond, Clinton, Fayette, Madison, Marion, Monroe and 3 more20 hr
Apr 17, 12:41 PM CDTFrost AdvisoryILXClark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more20 hr
May 8, 3:16 AM CDTFrost AdvisoryDVNHancock29 hr
May 8, 3:32 AM CDTFrost AdvisoryLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more28 hr
May 8, 3:59 AM CDTFrost AdvisoryPAHAlexander, Jackson, Johnson, Massac, Perry, Pope and 2 more28 hr
May 10, 2:35 PM CDTFrost AdvisoryLOTLee, Ogle, Winnebago8 hr
May 10, 2:36 PM CDTFrost AdvisoryDVNBureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more16 hr
May 10, 2:43 PM CDTFrost AdvisoryLSXAdams, Brown, Calhoun, Greene, Jersey, Macoupin and 4 more17 hr
May 10, 3:12 PM CDTFrost AdvisoryILXCass, Fulton, Knox, Logan, Marshall, Mason and 9 more12 hr
May 11, 2:02 PM CDTFrost AdvisoryDVNCarroll, Jo Daviess, Stephenson18 hr
May 11, 2:45 PM CDTFrost AdvisoryLOTBoone, Cook, DeKalb, DuPage, Grundy, Kane and 7 more17 hr
Oct 1, 3:25 AM CDTFrost AdvisoryLOTBoone, McHenry, Winnebago30 hr
Oct 1, 3:49 AM CDTFrost AdvisoryDVNCarroll, Jo Daviess, Stephenson28 hr
Oct 4, 2:00 AM CDTFrost AdvisoryPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more30 hr
Oct 4, 2:19 AM CDTFrost AdvisoryILXCass, Champaign, Christian, Clark, Clay, Coles and 29 more30 hr
Oct 4, 2:54 AM CDTFrost AdvisoryDVNBureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more29 hr
Oct 4, 3:08 AM CDTFrost AdvisoryLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more29 hr
Oct 4, 3:46 AM CDTFrost AdvisoryLOTBoone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more28 hr
Oct 15, 2:58 AM CDTFrost AdvisoryPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more30 hr
Oct 15, 3:35 AM CDTFrost AdvisoryLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more29 hr
Oct 16, 2:56 AM CDTFrost AdvisoryPAHEdwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 8 more29 hr
Oct 16, 3:43 AM CDTFrost AdvisoryILXChampaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more28 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

62 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. October 4, 20205frost advisories
  2. May 10, 20204frost advisories
  3. April 17, 20203frost advisories
  4. May 8, 20203frost advisories
  5. April 10, 20202frost advisories
  6. April 15, 20202frost advisories
  7. May 11, 20202frost advisories
  8. October 1, 20202frost advisories
  9. October 15, 20202frost advisories
  10. October 16, 20202frost advisories

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.