Iowa USA weather data
Iowa USA Weather Data, Plant Disease Risk and Degree-Day Models
METAR Network - other tables for IA include: All Networks, CWOP/APRS, HADS, IADOT, RAWS, see our homepage.
Interactive degree-day maps
Iowa 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 Algona Kossuth
68
na
na
na
na
KAXA
map
digital
METAR
1220
 43.08306
-94.26667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
2 Ames Municipal Airport Story
71
na
na
na
na
KAMW
map
digital
METAR
945
 41.99056
-93.61889
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
3 Ankeny Reg Apt Polk
68
na
na
na
na
KIKV
map
digital
METAR
902
 41.68972
-93.56556
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
4 Atlantic Cass
73
na
na
na
na
KAIO
map
digital
METAR
1181
 41.40000
-95.05000
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
5 Audubon County Airport Audubon
73
na
na
na
na
KADU
map
digital
METAR
1286
 41.70083
-94.92028
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
6 Boone Municipal Boone
63
na
na
na
na
KBNW
map
digital
METAR
1161
 42.05000
-93.85000
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
7 Burlington Reg Apt Des Moines
65
na
na
na
na
KBRL
map
digital
METAR
696
 40.77278
-91.12528
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
8 Carroll Carroll
62
na
na
na
na
KCIN
map
digital
METAR
1230
 42.05000
-94.78306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
9 Cedar Rapids The Eern Linn
65
na
na
na
na
KCID
map
digital
METAR
863
 41.88417
-91.71056
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
10 Chariton Lucas
70
na
na
na
na
KCNC
map
digital
METAR
1050
 41.03306
-93.36667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
11 Charles City Floyd
63
na
na
na
na
KCCY
map
digital
METAR
1125
 43.06667
-92.61667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
12 Cherokee Muni Apt Cherokee
54
na
na
na
na
KCKP
map
digital
METAR
1227
 42.73167
-95.55556
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
13 Clarinda Page
79
na
na
na
na
KICL
map
digital
METAR
994
 40.71667
-95.03306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
14 Clarion Wright
67
na
na
na
na
KCAV
map
digital
METAR
1161
 42.75000
-93.76667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
15 Clinton Muni Apt Clinton
56
na
na
na
na
KCWI
map
digital
METAR
709
 41.83306
-90.33306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
16 Council Bluffs Pottawattami
68
na
na
na
na
KCBF
map
digital
METAR
1253
 41.26667
-95.76667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
17 Creston Union
66
na
na
na
na
KCSQ
map
digital
METAR
1293
 41.01667
-94.36667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
18 Ctville Muni Apt Appanoose
67
na
na
na
na
KTVK
map
digital
METAR
1030
 40.68389
-92.90083
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
19 DavenPt Muni Apt Rock Island
72
na
na
na
na
KDVN
map
digital
METAR
751
 41.61389
-90.59139
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
20 Decorah Winneshiek
61
na
na
na
na
KDEH
map
digital
METAR
1158
 43.28306
-91.73306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
21 Denison Crawford
64
na
na
na
na
KDNS
map
digital
METAR
1273
 41.98306
-95.38306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
22 Des Moines Int Apt Polk
64
na
na
na
na
KDSM
map
digital
METAR
955
 41.53778
-93.66583
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
23 Dubuque Reg Apt Dubuque
66
na
na
na
na
KDBQ
map
digital
METAR
1076
 42.39778
-90.70333
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
24 Estherville Muni Apt Emmet
76
na
na
na
na
KEST
map
digital
METAR
1316
 43.40083
-94.74694
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
25 Fair Field Jefferson
60
na
na
na
na
KFFL
map
digital
METAR
801
 41.05000
-91.98306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
26 Forest Cty Muni Apt Hancock Coun
63
na
na
na
na
KFXY
map
digital
METAR
1230
 43.23472
-93.62389
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
27 Fort Dodge Webster
77
na
na
na
na
KFOD
map
digital
METAR
1161
 42.55000
-94.18306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
28 Fort Madison Lee
57
na
na
na
na
KFSW
map
digital
METAR
725
 40.66667
-91.33306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
29 Grinnell Muni AirFld Poweshiek
73
na
na
na
na
KGGI
map
digital
METAR
1007
 41.70917
-92.73472
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
30 Hampton Muni Apt Franklin Cou
62
na
na
na
na
KHPT
map
digital
METAR
1176
 42.72361
-93.22611
2024
2023
2022
2021
-
-
nmme
-
31 Harlan Muni Apt Shelby
62
na
na
na
na
KHNR
map
digital
METAR
1230
 41.58417
-95.33944
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
32 Independence Muni Apt Buchanan
88
na
na
na
na
KIIB
map
digital
METAR
978
 42.45000
-91.93306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
33 Iowa Cty Muni Apt Johnson
74
na
na
na
na
KIOW
map
digital
METAR
666
 41.63278
-91.54306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
34 Iowa Fls Muni Apt Hardin Count
96
na
na
na
na
KIFA
map
digital
METAR
1138
 42.47083
-93.26972
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
35 Knoxville Marion
68
na
na
na
na
KOXV
map
digital
METAR
928
 41.30000
-93.11667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
36 Lamoni Muni Apt Decatur
66
na
na
na
na
KLWD
map
digital
METAR
1129
 40.63056
-93.90056
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
37 Le Mars Muni Apt Plymouth
53
na
na
na
na
KLRJ
map
digital
METAR
1198
 42.77806
-96.19333
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
38 Marshalltown Muni Apt Marshall
75
na
na
na
na
KMIW
map
digital
METAR
971
 42.11056
-92.91583
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
39 Mason Cty Muni Apt Cerro Gordo
69
na
na
na
na
KMCW
map
digital
METAR
1214
 43.15778
-93.33139
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
40 Mount Pleasant Muni Ap Henry
62
na
na
na
na
KMPZ
map
digital
METAR
735
 40.94667
-91.51083
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
41 Keokuk Municipal Lee
60
na
na
na
na
KEOK
map
digital
METAR
673
 40.46667
-91.43306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
42 Muscatine Muscatine
60
na
na
na
na
KMUT
map
digital
METAR
548
 41.36667
-91.15000
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
43 Newton Municipal Jasper
58
na
na
na
na
KTNU
map
digital
METAR
951
 41.68306
-93.01667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
44 Osceola Muni Apt Clarke Count
79
na
na
na
na
KI75
map
digital
METAR
1109
 41.05194
-93.68944
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
45 Oskaloosa Muni Apt Mahaska
59
na
na
na
na
KOOA
map
digital
METAR
840
 41.22583
-92.49333
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
46 Ottumwa Industrial Apt Wapello
63
na
na
na
na
KOTM
map
digital
METAR
846
 41.10667
-92.44806
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
47 Pella Muni Apt Marion
95
na
na
na
na
KPEA
map
digital
METAR
886
 41.40000
-92.93306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
48 Perry Muni Apt Dallas
89
na
na
na
na
KPRO
map
digital
METAR
1013
 41.82778
-94.15972
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
49 Red Oak Montgomery
70
na
na
na
na
KRDK
map
digital
METAR
1043
 41.01667
-95.26667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
50 Sheldon O'Brien
69
na
na
na
na
KSHL
map
digital
METAR
1417
 43.21667
-95.83306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
51 Shenandoah Municipal Fremont
66
na
na
na
na
KSDA
map
digital
METAR
971
 40.75000
-95.41667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
52 Sioux Co Reg Apt Sioux County
65
na
na
na
na
KSXK
map
digital
METAR
1409
 42.98556
-96.16139
2024
2023
2022
2021
-
-
nmme
-
53 Sioux Cty Sioux Gatewa Woodbury
86
na
na
na
na
KSUX
map
digital
METAR
1099
 42.40250
-96.38417
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
54 Spencer Muni Apt Clay
78
na
na
na
na
KSPW
map
digital
METAR
1339
 43.16556
-95.20278
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
55 Storm Lake Buena Vista
68
na
na
na
na
KSLB
map
digital
METAR
1489
 42.60000
-95.23306
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
56 Vinton Veterans Mem Ai Benton
54
na
na
na
na
KVTI
map
digital
METAR
846
 42.21833
-92.02556
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
57 Washington Washington
44
na
na
na
na
KAWG
map
digital
METAR
755
 41.28306
-91.66667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
58 Waterloo Muni Apt Black Hawk
71
na
na
na
na
KALO
map
digital
METAR
873
 42.55417
-92.40083
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
59 Webster City Hamilton
65
na
na
na
na
KEBS
map
digital
METAR
1122
 42.43306
-93.86667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-

[USPEST.ORG/WEA Home] [Intro] [US DD Mapmaker] [Main Table Index] [Links]
Oregon IPM Center at State University National Plant Diagnostics Network 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 Oregon IPM Center at Oregon State University with support from USDA APHIS, various USDA NIFA grants, and USDA Western Region IPM Center. 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. 3, 2024
Contact Len Coop, OSU IPPC and Horticulture Dept. at coopl@science.oregonstate.edu or if you have any questions about this information.