Iowa USA weather data
Iowa USA Weather Data, Plant Disease Risk and Degree-Day Models
IADOT Network - other tables for IA include: All Networks, CWOP/APRS, HADS, METAR, 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 Adair (I80) Cass
92
na
na
na
na
RDAI4
map
zone
digital
IADOT
1476
 41.49611
-94.72611
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
2 Algona (US18) Kossuth
81
na
na
na
na
RALI4
map
zone
digital
IADOT
1107
 43.08278
-94.39833
2017
2015
2014
2013
2010
2009
2008
AVG AVG nmme cfs
3 Alton (IA10) Sioux
97
na
na
na
na
RTNI4
map
zone
digital
IADOT
1411
 42.99778
-96.08417
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
4 Altoona (I80US-65) Polk
93
na
na
na
na
RTOI4
map
zone
digital
IADOT
859
 41.65944
-93.52194
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
5 Ankeny (I35) Polk County
98
na
na
na
na
RAKI4
map
zone
digital
IADOT
865
 41.76167
-93.56944
2017
2016
2015
2011
2010
2009
2008
AVG AVG nmme cfs
6 Avoca (I80) Pottawattami
92
na
na
na
na
RAVI4
map
zone
digital
IADOT
1239
 41.49806
-95.29139
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
7 Burlington (US34) Des Moines
98
na
na
na
na
RBUI4
map
zone
digital
IADOT
716
 40.81278
-91.09917
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
8 Cantril Van Buren Co
95
na
na
na
na
IA059
map
zone
digital
IADOT
693
 40.65778
-92.06194
2017
2016
2015
AVG AVG nmme cfs
9 Carroll (US30) Carroll Coun
98
na
na
na
na
RCAI4
map
zone
digital
IADOT
1276
 42.07833
-94.89722
2017
2016
2015
2014
2012
2011
2010
2009
2008
AVG AVG nmme cfs
10 Cedar Rapids (I380) Linn
99
na
na
na
na
RCDI4
map
zone
digital
IADOT
774
 41.97778
-91.67444
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
11 Cedar Rapids (US30) Linn
98
na
na
na
na
RCII4
map
zone
digital
IADOT
807
 41.92972
-91.68361
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
12 Cedar Rapids (US30) Linn
95
na
na
na
na
RCRI4
map
zone
digital
IADOT
761
 41.92583
-91.54972
2017
2016
2015
2014
2013
2012
2008
AVG AVG nmme cfs
13 Centerville (IA2) Appanoose
98
na
na
na
na
RCNI4
map
zone
digital
IADOT
969
 40.73944
-93.00250
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
14 Colfax (I80) Jasper
48
na
na
na
na
RCFI4
map
zone
digital
IADOT
810
 41.68917
-93.26472
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
15 Council Bluffs (I80) Pottawattami
1
na
na
na
na
RCBI4
map
zone
digital
IADOT
880
 41.23250
-95.86611
2017
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
16 Creston (US34) Union
98
na
na
na
na
RCEI4
map
zone
digital
IADOT
1275
 41.04972
-94.30778
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
17 Davenport (I80I-280) Rock Island
98
na
na
na
na
RDVI4
map
zone
digital
IADOT
677
 41.60222
-90.67750
2017
2016
2015
2014
2013
2012
2011
2010
2009
AVG AVG nmme cfs
18 De Soto (I80US-169) Dallas
97
na
na
na
na
RDEI4
map
zone
digital
IADOT
957
 41.54139
-94.01111
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
19 De Witt (US30US-61) Clinton
93
na
na
na
na
RDWI4
map
zone
digital
IADOT
789
 41.82611
-90.57028
2017
2016
2015
2014
2013
2012
2011
2010
2008
AVG AVG nmme cfs
20 Decorah (IA9) Winneshiek
97
na
na
na
na
RDCI4
map
zone
digital
IADOT
1018
 43.24528
-91.69944
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
21 Denison Crawford Cou
96
na
na
na
na
IA060
map
zone
digital
IADOT
1400
 41.91833
-95.34389
2017
2016
2015
AVG AVG nmme cfs
22 Des Moines (I235) Polk
49
na
na
na
na
RDMI4
map
zone
digital
IADOT
822
 41.59556
-93.61139
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
23 Des Moines (I35) Polk
99
na
na
na
na
RDSI4
map
zone
digital
IADOT
736
 41.52750
-93.77222
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
24 Dubuque (US20) Dubuque
98
na
na
na
na
RDBI4
map
zone
digital
IADOT
820
 42.49028
-90.73083
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
25 E of Tama HW 30HW 21 Benton
47
na
na
na
na
RTMI4
map
zone
digital
IADOT
822
 41.96472
-92.29806
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
26 Estherville Emmet County
94
na
na
na
na
IA064
map
zone
digital
IADOT
1283
 43.39917
-94.79722
2017
2016
2015
AVG AVG nmme cfs
27 Fort Dodge (US20) Webster
95
na
na
na
na
RFDI4
map
zone
digital
IADOT
939
 42.44611
-94.18333
2017
2016
2015
2014
2013
2012
2011
2010
2008
AVG AVG nmme cfs
28 Grinnell (I80) Poweshiek
100
na
na
na
na
RGRI4
map
zone
digital
IADOT
923
 41.69722
-92.72556
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
29 Hanlontown (I35) Worth
97
na
na
na
na
RHAI4
map
zone
digital
IADOT
1094
 43.39194
-93.34972
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
30 Ida Grove (HW 59) Ida
98
na
na
na
na
RIGI4
map
zone
digital
IADOT
1234
 42.35139
-95.47806
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
31 Iowa City (US218) Johnson
85
na
na
na
na
RIAI4
map
zone
digital
IADOT
834
 41.65722
-91.59861
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
32 Jefferson (IA4) Greene
96
na
na
na
na
RJFI4
map
zone
digital
IADOT
1017
 42.05167
-94.37806
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
33 Leon (I35)IA-2) Decatur
97
na
na
na
na
RLEI4
map
zone
digital
IADOT
1146
 40.73861
-93.84167
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
34 Manchester (US20) Delaware
95
na
na
na
na
RMNI4
map
zone
digital
IADOT
1014
 42.47083
-91.44722
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
35 Maquoketa US61IA-64 Jackson
99
na
na
na
na
RMQI4
map
zone
digital
IADOT
824
 42.06833
-90.68333
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
36 Mason City (I35) Cerro Gordo
90
na
na
na
na
RMCI4
map
zone
digital
IADOT
1236
 43.03778
-93.34167
2017
2016
2015
2014
2013
2012
2010
2009
2008
AVG AVG nmme cfs
37 Missouri Valley (I29) Harrison
90
na
na
na
na
RMVI4
map
zone
digital
IADOT
1016
 41.54944
-95.91722
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
38 Mount Pleasant US218 Henry
90
na
na
na
na
RMPI4
map
zone
digital
IADOT
436
 40.89556
-91.55528
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
39 New Hampton (US18) Chickasaw
99
na
na
na
na
RNHI4
map
zone
digital
IADOT
1073
 43.06694
-92.45917
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
40 Onawa (I29) Monona
43
na
na
na
na
RONI4
map
zone
digital
IADOT
996
 41.86528
-96.10306
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
41 Osceola (I35) Clarke
94
na
na
na
na
ROSI4
map
zone
digital
IADOT
1096
 41.02556
-93.79778
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
42 Ottumwa (US63) Wapello
100
na
na
na
na
ROTI4
map
zone
digital
IADOT
642
 41.01667
-92.42111
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
43 Pella (IA163) Mahaska
99
na
na
na
na
RPLI4
map
zone
digital
IADOT
891
 41.39000
-92.87250
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
44 Plainfield (HW 218) Bremer Count
89
na
na
na
na
RPFI4
map
zone
digital
IADOT
965
 42.83306
-92.53694
2017
2016
2015
2014
2009
AVG AVG nmme cfs
45 Red Oak (US34US-71) Montgomery
97
na
na
na
na
RROI4
map
zone
digital
IADOT
954
 40.97972
-94.98361
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
46 Rockwell City Calhoun Coun
96
na
na
na
na
IA063
map
zone
digital
IADOT
1266
 42.45000
-94.67000
2017
2016
2015
AVG AVG nmme cfs
47 Sibley (HW 60HW 9) Osceola
42
na
na
na
na
RSYI4
map
zone
digital
IADOT
1574
 43.43333
-95.71472
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
48 Sigourney (IA92) Keokuk
0
na
na
na
na
RSGI4
map
zone
digital
IADOT
664
 41.33611
-92.31444
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
49 Sioux City (I29) Woodbury
89
na
na
na
na
RSCI4
map
zone
digital
IADOT
1196
 42.48306
-96.39028
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
50 Spencer (US18) Clay
0
na
na
na
na
RSPI4
map
zone
digital
IADOT
1485
 43.12667
-95.08861
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
51 Steamboat Rock (US20) Hardin
93
na
na
na
na
RSBI4
map
zone
digital
IADOT
1142
 42.45333
-93.05806
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
52 Storm Lk US71IA-3 Buena Vista
95
na
na
na
na
RSLI4
map
zone
digital
IADOT
1330
 42.74750
-95.15139
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
53 Tipton (I80) Cedar
98
na
na
na
na
RTPI4
map
zone
digital
IADOT
776
 41.64500
-91.12639
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
54 Urbana (I380) Buchanan
96
na
na
na
na
RURI4
map
zone
digital
IADOT
992
 42.31250
-91.97556
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
55 W of Eddyville HW 137 Wapello
63
na
na
na
na
RDYI4
map
zone
digital
IADOT
799
 41.14639
-92.64333
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
56 Waterloo (US20) Black Hawk
0
na
na
na
na
RWLI4
map
zone
digital
IADOT
883
 42.45556
-92.30889
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
57 West of Bedford (HW 2) Taylor
83
na
na
na
na
RBFI4
map
zone
digital
IADOT
1100
 40.67722
-94.71472
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
58 Williams (I35) Wright
98
na
na
na
na
RWII4
map
zone
digital
IADOT
1150
 42.58722
-93.53139
2017
2016
2015
2014
2013
2012
2011
2010
2009
AVG AVG nmme cfs
59 Williamsburg (I80) Iowa
96
na
na
na
na
RWBI4
map
zone
digital
IADOT
855
 41.68750
-92.00861
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
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.