Iowa USA weather data
Iowa USA Weather Data, Plant Disease Risk and Degree-Day Models
APRSWXNET Network - other tables for IA include: All Networks, HADS, IADOT, 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 Ashton DW0389 Osceola
95
na
na
na
na
D0389
map
zone
digital
CWOP/APRSWX
1469
 43.30944
-95.78500
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
AVG AVG nmme cfs
2 Carter Lake CW2433 Pottawattami
97
na
na
na
na
C2433
map
zone
digital
CWOP/APRSWX
981
 41.29028
-95.91611
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
3 Cedar Falls CW6679 Black Hawk
64
na
na
na
na
C6679
map
zone
digital
CWOP/APRSWX
0
 42.50000
-92.43250
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
4 Cedar Falls DW2873 Black Hawk
99
na
na
na
na
D2873
map
zone
digital
CWOP/APRSWX
942
 42.49417
-92.44056
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
5 Cherokee CW9020 Cherokee
93
na
na
na
na
C9020
map
zone
digital
CWOP/APRSWX
1312
 42.75944
-95.51889
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
6 Cumming DW2228 Madison
98
na
na
na
na
D2228
map
zone
digital
CWOP/APRSWX
997
 41.45444
-93.79861
2020
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
7 Dakota City CW4396 Humboldt
96
na
na
na
na
C4396
map
zone
digital
CWOP/APRSWX
1125
 42.72306
-94.20278
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
8 Davenport DW3396 Rock Island
100
na
na
na
na
D3396
map
zone
digital
CWOP/APRSWX
699
 41.59194
-90.61361
2020
2019
2018
2017
2015
2014
2013
2012
AVG AVG nmme cfs
9 Des Moines CW0005 Polk
98
na
na
na
na
C0005
map
zone
digital
CWOP/APRSWX
942
 41.60639
-93.69556
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
10 Des Moines CW6735 Polk
99
na
na
na
na
C6735
map
zone
digital
CWOP/APRSWX
892
 41.60861
-93.66278
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
11 Des Moines WL7CLI Polk
95
na
na
na
na
AS602
map
zone
digital
CWOP/APRSWX
922
 41.62889
-93.53444
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
12 Postville DW3099 Allamakee Co
0
na
na
na
na
D3099
map
zone
digital
CWOP/APRSWX
1181
 43.08556
-91.56806
2020
2019
2018
2017
2016
2015
2014
2012
AVG AVG nmme cfs
13 Tipton DW7765 Cedar County
96
na
na
na
na
D7765
map
zone
digital
CWOP/APRSWX
814
 41.76806
-91.12861
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
14 Marion DW8270 Linn County
99
na
na
na
na
D8270
map
zone
digital
CWOP/APRSWX
876
 42.04778
-91.56667
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
15 Dubuque DW8823 Dubuque Coun
98
na
na
na
na
D8823
map
zone
digital
CWOP/APRSWX
636
 42.50500
-90.66889
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
16 Pocahontas DW9470 Pocahontas C
87
na
na
na
na
D9470
map
zone
digital
CWOP/APRSWX
1123
 42.73389
-94.68583
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
17 Eldridge DW9509 Rock Island
70
na
na
na
na
D9509
map
zone
digital
CWOP/APRSWX
787
 41.65028
-90.59472
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
18 Dubuque DW9979 Dubuque Coun
99
na
na
na
na
D9979
map
zone
digital
CWOP/APRSWX
644
 42.49778
-90.66750
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
19 Lone Rock EW0342 Kossuth Coun
69
na
na
na
na
E0342
map
zone
digital
CWOP/APRSWX
1234
 43.16361
-94.36278
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
20 Mallard EW0956 Palo Alto Co
93
na
na
na
na
E0956
map
zone
digital
CWOP/APRSWX
1224
 42.93667
-94.67722
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
21 Havelock EW0990 Pocahontas C
91
na
na
na
na
E0990
map
zone
digital
CWOP/APRSWX
1227
 42.83306
-94.70139
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
22 Sioux Center EW2631 Sioux County
92
na
na
na
na
E2631
map
zone
digital
CWOP/APRSWX
1448
 43.06389
-96.16750
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
23 Clive EW2951 Dallas Count
0
na
na
na
na
E2951
map
zone
digital
CWOP/APRSWX
987
 41.60750
-93.81833
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
24 Cedar Raids EW3891 Linn County
95
na
na
na
na
E3891
map
zone
digital
CWOP/APRSWX
827
 41.92694
-91.61667
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
25 Clear Lake EW4052 Cerro Gordo
96
na
na
na
na
E4052
map
zone
digital
CWOP/APRSWX
1247
 43.11194
-93.43806
2020
2019
-
-
-
-
26 Riceville EW4652 Howard Count
97
na
na
na
na
E4652
map
zone
digital
CWOP/APRSWX
1306
 43.40000
-92.50000
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
27 Beaman EW4846 Marshall Cou
4
na
na
na
na
E4846
map
zone
digital
CWOP/APRSWX
1040
 42.19361
-92.82417
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
28 Dallas Center EW5148 Dallas Count
96
na
na
na
na
E5148
map
zone
digital
CWOP/APRSWX
1099
 41.68417
-93.96111
2020
2019
2018
2017
AVG AVG nmme cfs
29 Fertile EW5290 Worth County
87
na
na
na
na
E5290
map
zone
digital
CWOP/APRSWX
1178
 43.26389
-93.42556
2020
2019
2018
2017
AVG AVG nmme cfs
30 Grafton EW5720 Worth County
87
na
na
na
na
E5720
map
zone
digital
CWOP/APRSWX
1243
 43.32778
-93.07500
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
31 Atlantic EW6210 Cass County
41
na
na
na
na
E6210
map
zone
digital
CWOP/APRSWX
1273
 41.39556
-94.99306
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
32 Altoona EW7358 Polk County
91
na
na
na
na
E7358
map
zone
digital
CWOP/APRSWX
968
 41.63111
-93.46556
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
33 Hartley EW7617 O'Brien Coun
82
na
na
na
na
E7617
map
zone
digital
CWOP/APRSWX
1463
 43.20000
-95.50000
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
34 Independence EW8796 Buchanan Cou
93
na
na
na
na
E8796
map
zone
digital
CWOP/APRSWX
936
 42.46528
-91.87944
2020
2019
2018
2017
AVG AVG nmme cfs
35 Spirit Lake EW9051 Dickinson Co
87
na
na
na
na
E9051
map
zone
digital
CWOP/APRSWX
1469
 43.42111
-95.10417
2020
2019
2018
2017
AVG AVG nmme cfs
36 Williamsburg EW9208 Iowa County
49
na
na
na
na
E9208
map
zone
digital
CWOP/APRSWX
777
 41.65583
-91.99722
2020
2019
2018
2017
AVG AVG nmme cfs
37 FW0270 Independence Buchanan Cou
91
na
na
na
na
F0270
map
zone
digital
CWOP/APRSWX
923
 42.48472
-91.88806
2020
2019
2018
-
-
-
-
38 FW1481 Aurora Buchanan Cou
49
na
na
na
na
F1481
map
zone
digital
CWOP/APRSWX
1136
 42.61861
-91.72806
2020
2019
2018
-
-
-
-
39 FW1482 Winthrop Buchanan Cou
97
na
na
na
na
F1482
map
zone
digital
CWOP/APRSWX
1048
 42.47278
-91.73417
2020
2019
2018
-
-
-
-
40 FW1580 Lamont Buchanan Cou
95
na
na
na
na
F1580
map
zone
digital
CWOP/APRSWX
1046
 42.59972
-91.64139
2020
2019
2018
-
-
-
-
41 FW1669 Hubbard Hardin Count
94
na
na
na
na
F1669
map
zone
digital
CWOP/APRSWX
1076
 42.26778
-93.30167
2020
2019
2018
-
-
-
-
42 FW1738 Quasqueton Buchanan Cou
94
na
na
na
na
F1738
map
zone
digital
CWOP/APRSWX
912
 42.39417
-91.76111
2020
2019
2018
-
-
-
-
43 FW1749 Hazelton Buchanan Cou
94
na
na
na
na
F1749
map
zone
digital
CWOP/APRSWX
1015
 42.61611
-91.90639
2020
2019
2018
-
-
-
-
44 FW1782 Fairbank Buchanan Cou
41
na
na
na
na
F1782
map
zone
digital
CWOP/APRSWX
971
 42.63917
-92.05028
2020
2019
2018
-
-
-
-
45 FW1819 Johnston Polk County
92
na
na
na
na
F1819
map
zone
digital
CWOP/APRSWX
959
 41.73667
-93.72361
2020
2019
2018
-
-
-
-
46 FW1886 Stanley Fayette Coun
95
na
na
na
na
F1886
map
zone
digital
CWOP/APRSWX
1117
 42.64222
-91.81111
2020
2019
2018
-
-
-
-
47 FW2168 Blockton Taylor Count
96
na
na
na
na
F2168
map
zone
digital
CWOP/APRSWX
1175
 40.61944
-94.47222
2020
2019
-
-
-
-
48 FW2850 Vinton Benton Count
91
na
na
na
na
F2850
map
zone
digital
CWOP/APRSWX
889
 42.09861
-91.97167
2020
2019
-
-
-
-
49 FW2883 Reinbeck Grundy Count
88
na
na
na
na
F2883
map
zone
digital
CWOP/APRSWX
928
 42.32528
-92.58944
2020
2019
-
-
-
-
50 FW2884 Toledo Tama County
90
na
na
na
na
F2884
map
zone
digital
CWOP/APRSWX
860
 41.99222
-92.58278
2020
2019
-
-
-
-
51 FW2885 Dysart Tama County
90
na
na
na
na
F2885
map
zone
digital
CWOP/APRSWX
955
 42.18167
-92.33028
2020
2019
-
-
-
-
52 FW3149 Red Oak Montgomery C
96
na
na
na
na
F3149
map
zone
digital
CWOP/APRSWX
1230
 41.08778
-95.31389
2020
2019
-
-
-
-
53 FW3793 Jefferson Greene Count
89
na
na
na
na
F3793
map
zone
digital
CWOP/APRSWX
990
 42.00917
-94.38861
2020
2019
2018
-
-
-
-
54 FW3880 Marion Linn County
91
na
na
na
na
F3880
map
zone
digital
CWOP/APRSWX
869
 42.10000
-91.61639
2020
2019
-
-
-
-
55 FW3897 Muscatine Rock Island
93
na
na
na
na
F3897
map
zone
digital
CWOP/APRSWX
649
 41.41861
-91.05028
2020
2019
2018
-
-
-
-
56 FW4695 Cedar Rapids Johnson Coun
92
na
na
na
na
F4695
map
zone
digital
CWOP/APRSWX
807
 41.84528
-91.63611
2020
2019
-
-
-
-
57 FW4728 Cedar Rapids Linn County
90
na
na
na
na
F4728
map
zone
digital
CWOP/APRSWX
817
 41.95667
-91.70611
2020
2019
-
-
-
-
58 FW5287 Saratoga Howard Count
97
na
na
na
na
F5287
map
zone
digital
CWOP/APRSWX
1289
 43.35194
-92.41611
2020
2019
-
-
-
-
59 FW5317 Reinbeck Black Hawk C
88
na
na
na
na
F5317
map
zone
digital
CWOP/APRSWX
938
 42.34028
-92.54333
2020
2019
-
-
-
-
60 FW5871 Grinnell Poweshiek Co
94
na
na
na
na
F5871
map
zone
digital
CWOP/APRSWX
1013
 41.76139
-92.71278
2020
2019
-
-
-
-
61 FW5908 Glenwood Mills County
97
na
na
na
na
F5908
map
zone
digital
CWOP/APRSWX
1181
 41.06944
-95.77056
2020
2019
-
-
-
-
62 Indianola DW1110 Warren
97
na
na
na
na
D1110
map
zone
digital
CWOP/APRSWX
3133
 41.35250
-93.56111
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
AVG AVG nmme cfs
63 Iowa City CW5749 Johnson
97
na
na
na
na
C5749
map
zone
digital
CWOP/APRSWX
741
 41.64889
-91.49028
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
64 Le Mars DW1631 Plymouth
35
na
na
na
na
D1631
map
zone
digital
CWOP/APRSWX
1020
 42.82444
-96.19361
2020
2019
2018
2017
2016
2015
2014
2013
2011
2010
2009
AVG AVG nmme cfs
65 Madrid CW2001 Boone
87
na
na
na
na
C2001
map
zone
digital
CWOP/APRSWX
1001
 41.87167
-93.81278
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
66 AC0YE Marion Linn County
89
na
na
na
na
AV293
map
zone
digital
CWOP/APRSWX
859
 42.03861
-91.58306
2020
2019
-
-
-
-
67 New London CW3742 Des Moines
94
na
na
na
na
C3742
map
zone
digital
CWOP/APRSWX
814
 40.97000
-91.34333
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
68 Olin DW2485 Jones
99
na
na
na
na
D2485
map
zone
digital
CWOP/APRSWX
804
 42.02000
-91.13028
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
69 K0BL Ottumwa Wapello Coun
72
na
na
na
na
AT717
map
zone
digital
CWOP/APRSWX
649
 41.00417
-92.43806
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
70 N0MPM4 Pella Marion Count
97
na
na
na
na
AU190
map
zone
digital
CWOP/APRSWX
830
 41.42806
-92.92472
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
71 Polk City DW3886 Polk
96
na
na
na
na
D3886
map
zone
digital
CWOP/APRSWX
975
 41.73111
-93.66222
2020
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
72 Sioux Center N0OHO1 Sioux
90
na
na
na
na
AR437
map
zone
digital
CWOP/APRSWX
1463
 43.08389
-96.16472
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
73 Sioux City WB0WNX Woodbury
60
na
na
na
na
AP032
map
zone
digital
CWOP/APRSWX
1257
 42.55750
-96.40194
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
74 KC0RIG Spirit Lake Dickinson Co
94
na
na
na
na
AS497
map
zone
digital
CWOP/APRSWX
1473
 43.42167
-95.10278
2020
2019
2018
2017
2016
2015
2014
2009
2008
AVG AVG nmme cfs
75 Stanhope KC0SXP Hamilton
77
na
na
na
na
AS269
map
zone
digital
CWOP/APRSWX
1076
 42.25278
-93.74167
2020
2019
2018
2016
2015
2014
2013
2012
2008
AVG AVG nmme cfs
76 AC0MR Toddville Linn County
0
na
na
na
na
AV079
map
zone
digital
CWOP/APRSWX
885
 42.10306
-91.70000
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
77 N0XUT Urbana Benton Count
95
na
na
na
na
AV038
map
zone
digital
CWOP/APRSWX
912
 42.21944
-91.88278
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
78 K0KDS Urbandale Polk County
96
na
na
na
na
AV196
map
zone
digital
CWOP/APRSWX
928
 41.64306
-93.70861
2020
2019
2018
2017
AVG AVG nmme cfs
79 Vinton CW2988 Benton
98
na
na
na
na
C2988
map
zone
digital
CWOP/APRSWX
837
 42.15417
-92.03306
2020
2019
2018
2017
2016
2015
2014
2013
2012
2010
2009
2008
AVG AVG nmme cfs
80 W0DP Ames Story County
99
na
na
na
na
AT958
map
zone
digital
CWOP/APRSWX
978
 42.07806
-93.65861
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
81 Waterloo CW6951 Black Hawk
93
na
na
na
na
C6951
map
zone
digital
CWOP/APRSWX
873
 42.47222
-92.41500
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2008
AVG AVG nmme cfs
82 WB0TXL Central City Linn County
0
na
na
na
na
AU773
map
zone
digital
CWOP/APRSWX
928
 42.19806
-91.65417
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
83 WB0VYV Ottumwa Wapello Coun
94
na
na
na
na
AV145
map
zone
digital
CWOP/APRSWX
823
 41.02917
-92.39556
2020
2019
2018
2017
AVG AVG nmme cfs
84 Williamsburg DW5871 Iowa
98
na
na
na
na
D5871
map
zone
digital
CWOP/APRSWX
820
 41.66444
-92.01694
2020
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
85 WW0K Ames Hamilton Cou
76
na
na
na
na
AV544
map
zone
digital
CWOP/APRSWX
1048
 42.26361
-93.63694
2020
2019
-
-
-
-

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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. 8, 2020
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.