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 (NW states only)
Select model: 
Thresholds: lower: °F   upper: °F (or celsius °C:)
  Calc. method:
Start (biofix) date:   End date:   
Forecast zipcode or city, state:
Statewide Disease Alert Maps: tomato-potato Smith late blight, Tomcast DSV, fire blight, soybean rust
Disease Alert Movies: fireblight: 2010
Data table - to SORT click on headers:
# Location linked to
hourly weather,
plant disease models and
forecasts
 
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.)

30 yr
avgs
1 AltonSt Louis St Lou Madison
74
na
na
v2virt
v2stat
KALN
map
zone
digital
METAR
528
 38.90000
-90.05000
2012
2011
2010
2009
2008
2007
2006
AVG
2 Aurora Muni Apt Kane
97
na
na
v2virt
v2stat
KARR
map
zone
digital
METAR
702
 41.77000
-88.48139
2012
2011
2010
2009
2008
2007
2006
AVG
3 Belleville Scott AFBMi St. Clair
97
na
na
v2virt
v2stat
KBLV
map
zone
digital
METAR
436
 38.55000
-89.85000
2012
2011
2010
2009
2008
2007
2006
AVG
4 BloomingtonNormal Cent McLean
89
na
na
v2virt
v2stat
KBMI
map
zone
digital
METAR
859
 40.47667
-88.91556
2012
2011
2010
2009
2008
2007
2006
AVG
5 Cahokia St Louis St St. Louis Ci
96
na
na
v2virt
v2stat
KCPS
map
zone
digital
METAR
410
 38.57056
-90.15556
2012
2011
2010
2009
2008
2007
2006
AVG
6 Cairo Regional Airport Alexander
95
na
na
v2virt
v2stat
KCIR
map
zone
digital
METAR
314
 37.06417
-89.21917
2012
2011
2010
2009
2008
2007
2006
AVG
7 Carbondale Murphysboro Jackson
95
na
na
v2virt
v2stat
KMDH
map
zone
digital
METAR
400
 37.78306
-89.24500
2012
2011
2010
2009
2008
2007
2006
AVG
8 Carmi Muni Apt White
98
na
na
v2virt
v2stat
KCUL
map
zone
digital
METAR
374
 38.08917
-88.12306
2012
2011
2010
2009
2008
2007
2006
AVG
9 Centralia Muni Apt Marion
98
na
na
v2virt
v2stat
KENL
map
zone
digital
METAR
521
 38.51417
-89.09167
2012
2011
2010
2009
2008
2007
2006
AVG
10 Champaign Urbana Univ Champaign
95
na
na
v2virt
v2stat
KCMI
map
zone
digital
METAR
734
 40.03167
-88.27306
2012
2011
2010
2009
2008
2007
2006
AVG
11 Chicago Lansing Muni A Lake
98
na
na
v2virt
v2stat
KIGQ
map
zone
digital
METAR
610
 41.53917
-87.53167
2012
2011
2010
2009
2008
2007
2006
AVG
12 Chicago Midway Airport Cook
95
na
na
v2virt
v2stat
KMDW
map
zone
digital
METAR
610
 41.78417
-87.75528
2012
2011
2010
2009
2008
2007
2006
AVG
13 Chicago W Chicago Dupa DuPage
98
na
na
v2virt
v2stat
KDPA
map
zone
digital
METAR
751
 41.89639
-88.25056
2012
2011
2010
2009
2008
2007
2006
AVG
14 Chicago Waukegan Wauke Lake
98
na
na
v2virt
v2stat
KUGN
map
zone
digital
METAR
702
 42.41667
-87.86667
2012
2011
2010
2009
2008
2007
2006
AVG
15 Chicago Wheeling PalW Lake
98
na
na
v2virt
v2stat
KPWK
map
zone
digital
METAR
636
 42.12056
-87.90417
2012
2011
2010
2009
2008
2007
2006
AVG
16 ChicagoOHare Int Apt Cook
96
na
na
v2virt
v2stat
KORD
map
zone
digital
METAR
659
 41.97917
-87.90417
2012
2011
2010
2009
2008
2007
AVG
17 ChicagoRomeoville Lewi Will
97
na
na
v2virt
v2stat
KLOT
map
zone
digital
METAR
662
 41.60806
-88.09417
2012
2011
2010
2009
2008
2007
2006
AVG
18 Danville Vermilion Co Vermilion
97
na
na
v2virt
v2stat
KDNV
map
zone
digital
METAR
669
 40.19917
-87.59556
2012
2011
2010
2009
2008
2007
2006
AVG
19 De Kalb Taylor Muni Ap DeKalb
96
na
na
v2virt
v2stat
KDKB
map
zone
digital
METAR
898
 41.93167
-88.70806
2012
2011
2010
2009
2008
2007
2006
AVG
20 Decatur Airport Macon
96
na
na
v2virt
v2stat
KDEC
map
zone
digital
METAR
675
 39.83417
-88.86556
2012
2011
2010
2009
2008
2007
2006
AVG
21 Effingham Co Mem Apt Effingham
97
na
na
v2virt
v2stat
K1H2
map
zone
digital
METAR
577
 39.07056
-88.53306
2012
2011
2010
2009
2008
2007
2006
AVG
22 FairFld Muni Apt Wayne
94
na
na
v2virt
v2stat
KFWC
map
zone
digital
METAR
433
 38.37806
-88.41278
2012
2011
2010
2009
2008
2007
2006
AVG
23 Flora Muni Apt Clay
97
na
na
v2virt
v2stat
KFOA
map
zone
digital
METAR
459
 38.66417
-88.45306
2012
2011
2010
2009
2008
2007
2006
AVG
24 FreePt Albertus Apt Stephenson
97
na
na
v2virt
v2stat
KFEP
map
zone
digital
METAR
836
 42.24639
-89.58167
2012
2011
2010
2009
2008
2007
2006
AVG
25 Galesburg Muni Apt Warren
97
na
na
v2virt
v2stat
KGBG
map
zone
digital
METAR
761
 40.93806
-90.43056
2012
2011
2010
2009
2008
2007
2006
AVG
26 Kankakee Greater Kanka Kankakee
99
na
na
v2virt
v2stat
KIKK
map
zone
digital
METAR
613
 41.07139
-87.84639
2012
2011
2010
2009
2008
2007
2006
AVG
27 HarrisburgRaleigh Apt Saline
88
na
na
v2virt
v2stat
KHSB
map
zone
digital
METAR
387
 37.81139
-88.54917
2012
2011
2010
2009
2008
2007
2006
AVG
28 Jacksonville Muni Apt Morgan
98
na
na
v2virt
v2stat
KIJX
map
zone
digital
METAR
616
 39.77417
-90.23806
2012
2011
2010
2009
2008
2007
2006
AVG
29 Joliet Reg Apt Will
97
na
na
v2virt
v2stat
KJOT
map
zone
digital
METAR
580
 41.51806
-88.17528
2012
2011
2010
2009
2008
2007
2006
AVG
30 Lacon Marshall Co Apt Marshall
99
na
na
v2virt
v2stat
KC75
map
zone
digital
METAR
551
 41.01917
-89.38639
2012
2011
2010
2009
2008
2007
2006
AVG
31 LawrencevilleVincenne Lawrence
97
na
na
v2virt
v2stat
KLWV
map
zone
digital
METAR
429
 38.76056
-87.59889
2012
2011
2010
2009
2008
2007
2006
AVG
32 Lincoln Logan Co Apt Logan
95
na
na
v2virt
v2stat
KAAA
map
zone
digital
METAR
590
 40.15806
-89.33417
2012
2011
2010
2009
2008
2007
2006
AVG
33 LitchFld Muni Apt Montgomery
99
na
na
v2virt
v2stat
K3LF
map
zone
digital
METAR
682
 39.16167
-89.67417
2012
2011
2010
2009
2008
2007
2006
AVG
34 Macomb Muni Apt McDonough
98
na
na
v2virt
v2stat
KMQB
map
zone
digital
METAR
689
 40.52028
-90.65250
2012
2011
2010
2009
2008
2007
2006
AVG
35 Marion Williamson Co R Williamson
89
na
na
v2virt
v2stat
KMWA
map
zone
digital
METAR
498
 37.75028
-89.00056
2012
2011
2010
2009
2008
2007
2006
AVG
36 Mattoon Charleston Col Coles
96
na
na
v2virt
v2stat
KMTO
map
zone
digital
METAR
715
 39.47806
-88.27917
2012
2011
2010
2009
2008
2007
2006
AVG
37 Metropolis Muni Apt Massac
99
na
na
v2virt
v2stat
KM30
map
zone
digital
METAR
380
 37.18556
-88.75056
2012
2011
2010
2009
2008
2007
2006
AVG
38 Moline QuadCty Apt Rock Island
96
na
na
v2virt
v2stat
KMLI
map
zone
digital
METAR
590
 41.45139
-90.51417
2012
2011
2010
2009
2008
2007
2006
AVG
39 Morris MuniJames R Wa Grundy
95
na
na
v2virt
v2stat
KC09
map
zone
digital
METAR
580
 41.42528
-88.41806
2012
2011
2010
2009
2008
2007
2006
AVG
40 Mount Carmel Muni Apt Lawrence
87
na
na
v2virt
v2stat
KAJG
map
zone
digital
METAR
429
 38.60639
-87.72667
2012
2011
2010
2009
2008
2007
2006
AVG
41 Mount Vernon Airport Jefferson
78
na
na
v2virt
v2stat
KMVN
map
zone
digital
METAR
469
 38.31667
-88.86667
2012
2011
2010
2009
2008
2007
2006
AVG
42 OlneyNoble Airport Richland
91
na
na
v2virt
v2stat
KOLY
map
zone
digital
METAR
472
 38.72167
-88.17639
2012
2011
2010
2009
2008
2007
2006
AVG
43 Paris Edgar Co Apt Edgar
94
na
na
v2virt
v2stat
KPRG
map
zone
digital
METAR
643
 39.70028
-87.66917
2012
2011
2010
2009
2008
2007
2006
AVG
44 Peoria Greater Peoria Peoria
97
na
na
v2virt
v2stat
KPIA
map
zone
digital
METAR
656
 40.66667
-89.68389
2012
2011
2010
2009
2008
2007
2006
AVG
45 Peru Illinois Val Reg Putnam
98
na
na
v2virt
v2stat
KVYS
map
zone
digital
METAR
649
 41.35167
-89.15306
2012
2011
2010
2009
2008
2007
2006
AVG
46 PittsFld Penstone Muni Pike
98
na
na
v2virt
v2stat
KPPQ
map
zone
digital
METAR
698
 39.63889
-90.77806
2012
2011
2010
2009
2008
2007
2006
AVG
47 Pontiac Muni Apt Livingston
89
na
na
v2virt
v2stat
KPNT
map
zone
digital
METAR
649
 40.92306
-88.62528
2012
2011
2010
2009
2008
2007
2006
AVG
48 Quincy RegBaldwin Fld Adams
98
na
na
v2virt
v2stat
KUIN
map
zone
digital
METAR
751
 39.94250
-91.19417
2012
2011
2010
2009
2008
2007
2006
AVG
49 Rantoul Nat Aviation C Champaign
99
na
na
v2virt
v2stat
KTIP
map
zone
digital
METAR
734
 40.29306
-88.14167
2012
2011
2010
2009
2008
2007
2006
AVG
50 Robinson Muni Apt Crawford
95
na
na
v2virt
v2stat
KRSV
map
zone
digital
METAR
446
 39.01556
-87.64917
2012
2011
2010
2009
2008
2007
2006
AVG
51 Rochelle MuniKoritz F Lee
95
na
na
v2virt
v2stat
KRPJ
map
zone
digital
METAR
771
 41.89306
-89.07806
2012
2011
2010
2009
2008
2007
2006
AVG
52 Rockford Greater Rockf Winnebago
98
na
na
v2virt
v2stat
KRFD
map
zone
digital
METAR
728
 42.19278
-89.09306
2012
2011
2010
2009
2008
2007
2006
AVG
53 SalemLeckrone Airport Marion
99
na
na
v2virt
v2stat
KSLO
map
zone
digital
METAR
567
 38.64278
-88.96417
2012
2011
2010
2009
2008
2007
2006
AVG
54 Savanna TriTownship A Carroll
97
na
na
v2virt
v2stat
KSFY
map
zone
digital
METAR
613
 42.04556
-90.10778
2012
2011
2010
2009
2008
2007
2006
AVG
55 Sparta CommunityHunte Randolph
93
na
na
v2virt
v2stat
KSAR
map
zone
digital
METAR
528
 38.14889
-89.69806
2012
2011
2010
2009
2008
2007
2006
AVG
56 SpringFld Abraham Linc Sangamon
98
na
na
v2virt
v2stat
KSPI
map
zone
digital
METAR
587
 39.84528
-89.68389
2012
2011
2010
2009
2008
2007
2006
AVG
57 Sterling Rockfalls Whiteside
71
na
na
v2virt
v2stat
KSQI
map
zone
digital
METAR
656
 41.75000
-89.66667
2012
2011
2010
2009
2008
2007
2006
AVG
58 Taylorville Muni Apt Christian
87
na
na
v2virt
v2stat
KTAZ
map
zone
digital
METAR
613
 39.53417
-89.32778
2012
2011
2010
2009
2008
2007
2006
AVG

[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 Jan. 11, 2012
Contact Len Coop, OSU IPPC and Botany & Plant Pathology Dept. at coopl@science.oregonstate.edu or 541-737-5523 if you have any questions about this information.