Illinois USA weather data
Illinois USA Weather Data, Plant Disease Risk and Degree-Day Models
METAR Network - other tables for IL include: All Networks, CWOP/APRS, HADS, RAWS, see our homepage.
Interactive degree-day maps
Illinois USA base 32 degree-days to date
Degree-day & Phenology Model Calculator
 Also try the full-featured calculator/DD model
Select model: 
Thresholds: lower: °F   upper: °F (or celsius °C:)
  Calc. method:
Start (biofix) date:   End date:   
 Forecast type:   
Statewide Disease Alert Maps: tomato-potato Smith late blight, Tomcast DSV, fire blight, soybean rust
Disease Alert Movies: fireblight: 2010 2011 2012 2013
Data table - to SORT click on headers:
# Location linked to
hourly weather,
plant disease models and
forecasts
using
"Mypest Page"
 
County
Re-
cent
data QA
Fore-
cast
based
virt
data
Nearby
station
based
virt
data

Station code,
links to
NWS recent
weather

Links to
NWS fore-
casts
 
Net-
work
Elev. (ft)
 
Lat./ Long.
(Dec. Deg.)
 
Max-min temperature data and degree-days
(click radio button to calc.)

10 yr
avgs

30 yr
avgs

nmme
fcast

cfs
fcast
1 Albertus Airport Stephenson
82
na
na
na
na
KFEP
map
zone
digital
METAR
837
 42.24750
-89.58083
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
2 Aurora Muni Apt Kane
97
na
na
na
na
KARR
map
zone
digital
METAR
705
 41.77000
-88.48139
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
3 Belleville Scott AFBMi Saint Clair
98
na
na
na
na
KBLV
map
zone
digital
METAR
459
 38.55000
-89.85000
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
4 BloomingtonNormal Cent McLean
94
na
na
na
na
KBMI
map
zone
digital
METAR
873
 40.47667
-88.91556
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
5 Cahokia St Louis St Saint Charle
97
na
na
na
na
KCPS
map
zone
digital
METAR
413
 38.57056
-90.15583
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
6 Cairo Regional Airport Alexander
99
na
na
na
na
KCIR
map
zone
digital
METAR
322
 37.06417
-89.21917
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
7 Carbondale Murphysboro Jackson
94
na
na
na
na
KMDH
map
zone
digital
METAR
410
 37.78306
-89.24500
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
8 Carmi Muni Apt White
98
na
na
na
na
KCUL
map
zone
digital
METAR
387
 38.08917
-88.12306
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
9 Centralia Muni Apt Marion
99
na
na
na
na
KENL
map
zone
digital
METAR
535
 38.51444
-89.09194
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
10 Champaign Urbana Univ Champaign
93
na
na
na
na
KCMI
map
zone
digital
METAR
751
 40.03194
-88.27306
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
11 Chicago Midway Airport Cook
96
na
na
na
na
KMDW
map
zone
digital
METAR
617
 41.78417
-87.75528
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
12 Chicago W Chicago Dupa Cook
95
na
na
na
na
KDPA
map
zone
digital
METAR
758
 41.89639
-88.25083
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
13 Chicago Waukegan Wauke Lake
95
na
na
na
na
KUGN
map
zone
digital
METAR
728
 42.41667
-87.86667
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
14 Chicago Wheeling PalW Cook
92
na
na
na
na
KPWK
map
zone
digital
METAR
646
 42.12056
-87.90444
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
15 ChicagoOHare Int Apt Cook
97
na
na
na
na
KORD
map
zone
digital
METAR
666
 41.97944
-87.90417
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
16 Danville Vermilion Co Vermilion
99
na
na
na
na
KDNV
map
zone
digital
METAR
696
 40.19917
-87.59556
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
17 De Kalb Taylor Muni Ap DeKalb
94
na
na
na
na
KDKB
map
zone
digital
METAR
909
 41.93361
-88.70639
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
18 Decatur Airport Macon
96
na
na
na
na
KDEC
map
zone
digital
METAR
682
 39.83417
-88.86556
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
19 Effingham Co Mem Apt Effingham
96
na
na
na
na
K1H2
map
zone
digital
METAR
587
 39.07056
-88.53306
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
20 FairFld Muni Apt Wayne
96
na
na
na
na
KFWC
map
zone
digital
METAR
436
 38.37833
-88.41278
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
21 Flora Muni Apt Clay
72
na
na
na
na
KFOA
map
zone
digital
METAR
472
 38.66472
-88.45306
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
22 Galesburg Muni Apt Knox
95
na
na
na
na
KGBG
map
zone
digital
METAR
764
 40.93806
-90.43083
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
23 Greater Kankakee Apt Kankakee
97
na
na
na
na
KIKK
map
zone
digital
METAR
617
 41.06861
-87.85361
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
24 HarrisburgRaleigh Apt Saline
98
na
na
na
na
KHSB
map
zone
digital
METAR
397
 37.81139
-88.54917
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
25 Illinois Val Reg Apt La Salle
100
na
na
na
na
KVYS
map
zone
digital
METAR
650
 41.35167
-89.14944
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
26 Jacksonville Muni Apt Morgan
99
na
na
na
na
KIJX
map
zone
digital
METAR
614
 39.77389
-90.24167
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
27 Joliet Reg Apt Cook
99
na
na
na
na
KJOT
map
zone
digital
METAR
581
 41.51806
-88.17528
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
28 Lansing Muni Apt Cook
99
na
na
na
na
KIGQ
map
zone
digital
METAR
607
 41.54111
-87.52806
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
29 LawrencevilleVincenne Knox
89
na
na
na
na
KLWV
map
zone
digital
METAR
430
 38.76056
-87.59889
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
30 Lewis Univ Apt Cook
98
na
na
na
na
KLOT
map
zone
digital
METAR
669
 41.60306
-88.10139
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
31 LitchFld Muni Apt Montgomery
99
na
na
na
na
K3LF
map
zone
digital
METAR
679
 39.16028
-89.67417
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
32 Logan County Airport Logan
98
na
na
na
na
KAAA
map
zone
digital
METAR
591
 40.15889
-89.33889
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
33 Macomb Muni Apt McDonough
99
na
na
na
na
KMQB
map
zone
digital
METAR
709
 40.52028
-90.65250
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
34 Marion Williamson Co R Williamson
86
na
na
na
na
KMWA
map
zone
digital
METAR
472
 37.75028
-89.00083
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
35 Marshall Co Apt Marshall
99
na
na
na
na
KC75
map
zone
digital
METAR
545
 41.02306
-89.38833
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
36 Mattoon Charleston Col Coles
95
na
na
na
na
KMTO
map
zone
digital
METAR
722
 39.47806
-88.27917
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
37 Metropolis Muni Apt Massac
100
na
na
na
na
KM30
map
zone
digital
METAR
384
 37.18556
-88.75056
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
38 Moline QuadCty Apt Rock Island
97
na
na
na
na
KMLI
map
zone
digital
METAR
587
 41.45139
-90.51444
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
39 Morris MuniJames R Wa Grundy
100
na
na
na
na
KC09
map
zone
digital
METAR
584
 41.43139
-88.41500
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
40 Mount Carmel Muni Apt Knox
99
na
na
na
na
KAJG
map
zone
digital
METAR
423
 38.60917
-87.72500
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
41 Mount Sterling Muni Ap Schuyler Cou
99
na
na
na
na
KI63
map
zone
digital
METAR
732
 39.98722
-90.80417
2017
2016
2015
-
AVG nmme cfs
42 Mount Vernon Airport Jefferson
93
na
na
na
na
KMVN
map
zone
digital
METAR
479
 38.31667
-88.86667
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
43 OlneyNoble Airport Richland
84
na
na
na
na
KOLY
map
zone
digital
METAR
482
 38.72167
-88.17639
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
44 Paris Edgar Co Apt Edgar
98
na
na
na
na
KPRG
map
zone
digital
METAR
653
 39.70028
-87.66944
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
45 Peoria Greater Peoria Peoria
98
na
na
na
na
KPIA
map
zone
digital
METAR
659
 40.66722
-89.68389
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
46 PittsFld Penstone Muni Pike
100
na
na
na
na
KPPQ
map
zone
digital
METAR
709
 39.63889
-90.77806
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
47 Pontiac Muni Apt Livingston
99
na
na
na
na
KPNT
map
zone
digital
METAR
650
 40.92306
-88.62111
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
48 Quincy RegBaldwin Fld Adams
97
na
na
na
na
KUIN
map
zone
digital
METAR
768
 39.94250
-91.19417
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
49 Rantoul Nat Aviation C Champaign
100
na
na
na
na
KTIP
map
zone
digital
METAR
732
 40.28944
-88.14722
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
50 Robinson Muni Apt Sullivan
95
na
na
na
na
KRSV
map
zone
digital
METAR
463
 39.01556
-87.64944
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
51 Rochelle MuniKoritz F Ogle
99
na
na
na
na
KRPJ
map
zone
digital
METAR
768
 41.89056
-89.08167
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
52 Rockford Greater Rockf Winnebago
95
na
na
na
na
KRFD
map
zone
digital
METAR
735
 42.19278
-89.09306
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
53 SalemLeckrone Airport Marion
100
na
na
na
na
KSLO
map
zone
digital
METAR
574
 38.64278
-88.96417
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
54 Sparta CommunityHunte Randolph
100
na
na
na
na
KSAR
map
zone
digital
METAR
538
 38.14889
-89.69833
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
55 SpringFld Abraham Linc Sangamon
97
na
na
na
na
KSPI
map
zone
digital
METAR
597
 39.84528
-89.68389
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
56 St Louis Reg Apt Madison
94
na
na
na
na
KALN
map
zone
digital
METAR
518
 38.88944
-90.03139
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
57 Sterling Rockfalls Whiteside
97
na
na
na
na
KSQI
map
zone
digital
METAR
646
 41.75000
-89.66667
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
58 Taylorville Muni Apt Sangamon
100
na
na
na
na
KTAZ
map
zone
digital
METAR
623
 39.53417
-89.32778
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
59 TriTownship Airport Carroll
98
na
na
na
na
KSFY
map
zone
digital
METAR
614
 42.04528
-90.11000
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs

[USPEST.ORG/WEA Home] [Feedback Survey] [Intro] [US DD Mapmaker] [Main Table Index] [Links]
National Plant Diagnostics Network Integrated Plant Protection Center at OSU Oregon State University The PRISM Group at OSU Fox Weather, LLC University of Utah Mesowest Western
 Region Pest Management Center National
 Institute of Food and Agriculture
All data provided "as is" and users assume all risk in its use - see full disclaimer. All NWS derived data is not subject to copyright protection. This site hosted by the Integrated Plant Protection Center at Oregon State University with support from the USDA National Plant Diagnostic Network, various USDA NIFA and RMA grants, and USDA IPM Centers - Western Region. Climate map data provided by OSU PRISM Group, realtime public weather data provided by U. Utah Mesowest and various other networks.
This site on-line since April 5, 1996; last update Mar. 23, 2017
Contact Len Coop, OSU IPPC and Horticulture Dept. at coopl@science.oregonstate.edu or 541-737-5523 if you have any questions about this information.