First and last frost dates for US locationsNOAA climate normals · 1991–2020
USFrostDates

First and last frost dates in Illinois

Compare median spring and fall freeze dates for 269 locations in Illinois. Open a city guide for station details and risk levels.

Median freeze dates for cities in Illinois
LocationLast spring freezeFirst fall freezeDays betweenGuide
AbingdonApril 21October 20182 days
AlbionApril 4October 28207 days
AledoApril 22October 19180 days
AlortonApril 8October 26201 days
AltamontApril 13October 24194 days
AltonApril 4November 5215 days
AnnaApril 8October 29204 days
AntiochApril 23October 21181 days
ArcolaApril 15October 20188 days
AstoriaApril 16October 23190 days
AthensApril 19October 19183 days
AtlantaApril 20October 16179 days
AuburnApril 7October 29205 days
AuroraApril 19October 23187 days
BarringtonApril 25October 19177 days
Barrington HillsApril 25October 19177 days
BarryApril 4November 4214 days
BartlettApril 30October 13166 days
BartonvilleApril 16October 23190 days
Beach ParkApril 30October 21174 days
BeckemeyerApril 6October 29206 days
BellevueApril 16October 23190 days
BensenvilleApril 16October 28195 days
BentonApril 4October 28207 days
BethaltoApril 4November 5215 days
Big RockApril 28October 13168 days
Boulder HillApril 19October 23187 days
BourbonnaisApril 19October 24188 days
BradleyApril 19October 24188 days
BridgeportApril 12October 25196 days
BurbankApril 10November 1205 days
BushnellApril 17October 22188 days
CahokiaApril 6October 27204 days
CairoApril 2October 31212 days
CambridgeApril 20October 20183 days
Camp PointApril 18October 21186 days
CarbondaleApril 9October 22196 days
CarlinvilleApril 14October 21190 days
CarlyleApril 6October 29206 days
CarmiApril 15October 19187 days
Carrier MillsApril 7October 26202 days
CarrolltonApril 13October 22192 days
CaseyApril 14October 20189 days
CentrevilleApril 8October 26201 days
Channel LakeApril 23October 21181 days
CharlestonApril 15October 23191 days
ChenoaApril 23October 15175 days
ChicagoApril 10November 5209 days
Chicago HeightsApril 23October 20180 days
ChrismanApril 21October 20182 days
CobdenApril 8October 29204 days
ColumbiaApril 6October 27204 days
CrainvilleApril 9October 22196 days
Crest HillApril 20October 22185 days
Creve CoeurApril 16October 23190 days
DanversApril 21October 20182 days
DanvilleApril 21October 20182 days
DecaturApril 14October 24193 days
DepueApril 24October 17176 days
DixonApril 21October 19181 days
Du QuoinApril 6October 22199 days
DupoApril 6October 27204 days
DwightApril 27October 15171 days
East AltonApril 4November 5215 days
East DubuqueApril 19October 21185 days
East DundeeApril 26October 18175 days
East PeoriaApril 16October 23190 days
East Saint LouisApril 8October 26201 days
EldoradoApril 7October 26202 days
ElwoodApril 19October 25189 days
Fairfield (Lake County)April 29October 20174 days
Fairfield (Wayne County)April 7October 26202 days
FlanaganApril 26October 17174 days
FloraApril 9October 24198 days
Forest LakeApril 29October 20174 days
ForsythApril 14October 24193 days
Franklin ParkApril 16October 28195 days
FreeportApril 26October 13170 days
FultonApril 13October 26196 days
GalenaApril 26October 15172 days
GalesburgApril 20October 19182 days
GalvaApril 26October 12169 days
GardnerApril 27October 15171 days
GeneseoApril 20October 20183 days
Gibson CityApril 21October 17179 days
GiffordApril 21October 18180 days
GlasfordApril 16October 23190 days
GlencoeApril 26October 21178 days
GodfreyApril 4November 5215 days
GrandviewApril 15October 22190 days
GranvilleApril 18October 22187 days
GrayvilleApril 7October 25201 days
GreenupApril 14October 20189 days
GridleyApril 23October 15175 days
GriggsvilleApril 14October 21190 days
GurneeApril 30October 19172 days
HamiltonApril 10October 27200 days
HamptonApril 16October 25192 days
Hanna CityApril 16October 23190 days
Hanover ParkApril 30October 13166 days
HarrisburgApril 7October 26202 days
HarristownApril 14October 24193 days
HartfordApril 4November 5215 days
HavanaApril 17October 19185 days
Hawthorn WoodsApril 29October 20174 days
HebronApril 30October 13166 days
HenryApril 20October 17180 days
HillcrestApril 26October 13170 days
HillsboroApril 13October 24194 days
HometownApril 10November 1205 days
HoopestonApril 22October 19180 days
InaApril 4October 28207 days
Ingalls ParkApril 19October 25189 days
InvernessApril 25October 19177 days
Island LakeMay 1October 11163 days
JacksonvilleApril 17October 21187 days
JeromeApril 15October 22190 days
JerseyvilleApril 14October 19188 days
JohnsburgMay 1October 11163 days
JolietApril 19October 25189 days
JonesboroApril 8October 29204 days
KankakeeApril 19October 24188 days
KewaneeApril 24October 17176 days
KnoxvilleApril 21October 20182 days
La HarpeApril 21October 19181 days
LaconApril 20October 17180 days
LaddApril 24October 18177 days
Lake CamelotApril 16October 23190 days
Lake CatherineApril 23October 21181 days
Lake VillaApril 24October 23182 days
Lake ZurichApril 29October 20174 days
LakemoorMay 1October 11163 days
LakewoodApril 25October 22180 days
LebanonApril 12October 20191 days
Leland GroveApril 15October 22190 days
LewistownApril 17October 19185 days
LexingtonApril 23October 15175 days
LincolnApril 20October 16179 days
LindenhurstApril 24October 23182 days
LisleApril 28October 16171 days
Long CreekApril 16October 22189 days
LouisvilleApril 10October 23196 days
MaconApril 14October 24193 days
MaltaApril 24October 18177 days
MarengoApril 28October 12167 days
Marquette HeightsApril 16October 23190 days
MarseillesApril 27October 17173 days
MartinsvilleApril 14October 20189 days
Mason CityApril 17October 18184 days
MattesonApril 23October 20180 days
MattoonApril 11October 29201 days
McCullom LakeMay 1October 11163 days
McHenryMay 1October 11163 days
McLeansboroApril 11October 21193 days
MeredosiaApril 18October 15180 days
MilanApril 24October 18177 days
MinonkApril 26October 17174 days
MonmouthApril 22October 15176 days
MontgomeryApril 19October 23187 days
MorrisApril 20October 23186 days
MorrisonApril 26October 13170 days
MorrisonvilleApril 12October 20191 days
Mount CarmelApril 2October 31212 days
Mount CarrollMay 2October 7158 days
Mount ProspectApril 19October 26190 days
Mount VernonApril 11October 22194 days
Mount ZionApril 16October 22189 days
MundeleinApril 29October 20174 days
NashvilleApril 7October 26202 days
NauvooApril 12October 25196 days
NewtonApril 13October 22192 days
Norris CityApril 15October 19187 days
North BarringtonApril 29October 20174 days
North ChicagoApril 30October 19172 days
North PekinApril 16October 23190 days
NorthbrookApril 26October 21178 days
OakwoodApril 21October 20182 days
OblongApril 13October 22192 days
OdinApril 9October 26200 days
OlneyApril 15October 23191 days
Olympia FieldsApril 23October 20180 days
OquawkaApril 8October 29204 days
PalestineApril 12October 22193 days
PanaApril 17October 23189 days
ParisApril 21October 20182 days
Park CityApril 30October 19172 days
Park ForestApril 23October 20180 days
PaxtonApril 23October 12172 days
PeruApril 24October 18177 days
PetersburgApril 13October 21191 days
PittsfieldApril 14October 21190 days
PoloApril 29October 7161 days
PontiacApril 16October 24191 days
Prairie GroveMay 1October 11163 days
PrestburyApril 28October 13168 days
Preston HeightsApril 19October 25189 days
PrincetonApril 22October 17178 days
PrincevilleApril 22October 14175 days
Prospect HeightsApril 19October 26190 days
QuincyApril 8October 30205 days
RamseyApril 15October 19187 days
RantoulApril 21October 18180 days
Richton ParkApril 23October 20180 days
RiverwoodsApril 19October 26190 days
RobinsonApril 13October 22192 days
RochelleApril 26October 13170 days
Rock IslandApril 19October 22186 days
RockdaleApril 19October 25189 days
RocktonMay 1October 12164 days
RomeovilleApril 20October 22185 days
RoodhouseApril 13October 22192 days
RosemontApril 16October 28195 days
Rosewood HeightsApril 4November 5215 days
RosiclareApril 19October 20184 days
RoxanaApril 4November 5215 days
RushvilleApril 16October 23190 days
Saint ElmoApril 3October 24204 days
Saint JosephApril 20October 21184 days
SalemApril 9October 26200 days
SavannaMay 2October 7158 days
Schiller ParkApril 16October 28195 days
Scott Air Force BaseApril 12October 20191 days
SesserApril 4October 27206 days
ShilohApril 12October 20191 days
South BarringtonApril 25October 19177 days
South BeloitMay 1October 12164 days
South Chicago HeightsApril 23October 20180 days
South JacksonvilleApril 17October 21187 days
SpartaApril 12October 22193 days
Spring ValleyApril 24October 18177 days
SpringfieldApril 15October 22190 days
StegerApril 23October 20180 days
StocktonApril 27October 9165 days
StreamwoodApril 30October 13166 days
Sugar GroveApril 28October 13168 days
SullivanApril 15October 22190 days
SumnerApril 12October 25196 days
ThomasboroApril 21October 18180 days
TolonoApril 19October 17181 days
ToulonApril 26October 12169 days
Tower LakeApril 29October 20174 days
TuscolaApril 15October 20188 days
Twin GroveApril 21October 20182 days
Upper AltonApril 4November 5215 days
VandaliaApril 10October 24197 days
ViennaApril 14October 21190 days
VirdenApril 7October 29205 days
VoloMay 1October 11163 days
WadsworthApril 30October 21174 days
WalnutApril 24October 14173 days
WarrensburgApril 14October 24193 days
WarrenvilleApril 28October 16171 days
WarsawApril 10October 27200 days
WatsekaApril 24October 16175 days
WaucondaApril 29October 20174 days
WaukeganApril 30October 19172 days
WaverlyApril 7October 29205 days
West ChicagoApril 25October 19177 days
West PeoriaApril 16October 23190 days
WheelingApril 19October 26190 days
White HallApril 13October 22192 days
Willow SpringsApril 19October 22186 days
WinchesterApril 18October 20185 days
WindsorApril 16October 22189 days
Winthrop HarborApril 30October 21174 days
Wood DaleApril 16October 28195 days
Wood RiverApril 4November 5215 days
WyomingApril 22October 14175 days
ZionApril 30October 21174 days

Median dates at nearby stations, using a 32°F (0°C) threshold. The interval is calculated from the two median dates, not a guarantee of frost-free weather. Read the methodology.