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 AE0NK IOWA CITY Johnson Coun
85
na
na
na
na
AV990
map
digital
CWOP/APRSWX
787
 41.68278
-91.51667
2024
-
-
nmme
-
2 N0YWB Amana Iowa County
64
na
na
na
na
AS788
map
digital
CWOP/APRSWX
728
 41.79833
-91.87583
2024
2023
2022
2021
-
-
nmme
-
3 N0RWU Ames Story County
80
na
na
na
na
AV839
map
digital
CWOP/APRSWX
971
 42.05167
-93.64417
2024
2023
2022
2021
-
-
nmme
-
4 Ashton DW0389 Osceola
83
na
na
na
na
D0389
map
digital
CWOP/APRSWX
1469
 43.30944
-95.78500
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
5 Carter Lake CW2433 Pottawattami
94
na
na
na
na
C2433
map
digital
CWOP/APRSWX
981
 41.29028
-95.91611
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
6 Cedar Falls CW6679 Black Hawk
71
na
na
na
na
C6679
map
digital
CWOP/APRSWX
0
 42.50000
-92.43250
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
7 AC0MR CENTRAL CITY Linn County
80
na
na
na
na
AV079
map
digital
CWOP/APRSWX
869
 42.19917
-91.53333
2024
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
8 Cumming DW2228 Madison
54
na
na
na
na
D2228
map
digital
CWOP/APRSWX
997
 41.45444
-93.79861
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
9 Davenport DW3396 Rock Island
78
na
na
na
na
D3396
map
digital
CWOP/APRSWX
699
 41.59194
-90.61361
2024
2023
2022
2021
2020
2019
2018
2017
2015
2014
2013
AVG AVG nmme
-
10 Des Moines CW0005 Polk
71
na
na
na
na
C0005
map
digital
CWOP/APRSWX
942
 41.60639
-93.69556
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
11 Des Moines WL7CLI Polk
78
na
na
na
na
AS602
map
digital
CWOP/APRSWX
922
 41.62889
-93.53444
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
12 Tipton DW7765 Cedar County
92
na
na
na
na
D7765
map
digital
CWOP/APRSWX
814
 41.76806
-91.12861
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
13 Marion DW8270 Linn County
72
na
na
na
na
D8270
map
digital
CWOP/APRSWX
876
 42.04778
-91.56667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
14 Dubuque DW8823 Dubuque Coun
80
na
na
na
na
D8823
map
digital
CWOP/APRSWX
636
 42.50500
-90.66889
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
15 Pocahontas DW9470 Pocahontas C
71
na
na
na
na
D9470
map
digital
CWOP/APRSWX
1123
 42.73389
-94.68583
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
16 Dubuque DW9979 Dubuque Coun
87
na
na
na
na
D9979
map
digital
CWOP/APRSWX
644
 42.49778
-90.66750
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
17 Lone Rock EW0342 Kossuth Coun
19
na
na
na
na
E0342
map
digital
CWOP/APRSWX
1234
 43.16361
-94.36278
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
18 Mallard EW0956 Palo Alto Co
85
na
na
na
na
E0956
map
digital
CWOP/APRSWX
1224
 42.93667
-94.67722
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
19 Havelock EW0990 Pocahontas C
64
na
na
na
na
E0990
map
digital
CWOP/APRSWX
1227
 42.83306
-94.70139
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
20 Sioux Center EW2631 Sioux County
85
na
na
na
na
E2631
map
digital
CWOP/APRSWX
1448
 43.06389
-96.16750
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
21 Clear Lake EW4052 Cerro Gordo
58
na
na
na
na
E4052
map
digital
CWOP/APRSWX
1247
 43.11194
-93.43806
2024
2023
2022
2021
2020
2019
-
-
nmme
-
22 Riceville EW4652 Howard Count
71
na
na
na
na
E4652
map
digital
CWOP/APRSWX
1306
 43.40000
-92.50000
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
23 Fertile EW5290 Worth County
76
na
na
na
na
E5290
map
digital
CWOP/APRSWX
1178
 43.26389
-93.42556
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme
-
24 Grafton EW5720 Worth County
72
na
na
na
na
E5720
map
digital
CWOP/APRSWX
1243
 43.32778
-93.07500
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
25 Altoona EW7358 Polk County
68
na
na
na
na
E7358
map
digital
CWOP/APRSWX
968
 41.63111
-93.46556
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
26 Hartley EW7617 O'Brien Coun
77
na
na
na
na
E7617
map
digital
CWOP/APRSWX
1463
 43.20000
-95.50000
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
27 Independence EW8796 Buchanan Cou
13
na
na
na
na
E8796
map
digital
CWOP/APRSWX
936
 42.46528
-91.87944
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme
-
28 Spirit Lake EW9051 Dickinson Co
82
na
na
na
na
E9051
map
digital
CWOP/APRSWX
1469
 43.42111
-95.10417
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG nmme
-
29 FW0270 Independence Buchanan Cou
86
na
na
na
na
F0270
map
digital
CWOP/APRSWX
923
 42.48472
-91.88806
2024
2023
2022
2021
2020
2019
2018
-
-
nmme
-
30 FW1476 Independence Buchanan Cou
78
na
na
na
na
F1476
map
digital
CWOP/APRSWX
937
 42.46806
-91.88917
2024
2023
2022
2021
2020
2019
2018
-
-
nmme
-
31 FW1481 Aurora Buchanan Cou
73
na
na
na
na
F1481
map
digital
CWOP/APRSWX
1136
 42.61861
-91.72806
2024
2023
2022
2021
2020
2019
2018
-
-
nmme
-
32 FW1482 Winthrop Buchanan Cou
78
na
na
na
na
F1482
map
digital
CWOP/APRSWX
1048
 42.47278
-91.73417
2024
2023
2022
2021
2020
2019
2018
-
-
nmme
-
33 FW1669 Hubbard Hardin Count
64
na
na
na
na
F1669
map
digital
CWOP/APRSWX
1076
 42.26778
-93.30167
2024
2023
2022
2021
2020
2019
2018
-
-
nmme
-
34 FW1738 Quasqueton Buchanan Cou
86
na
na
na
na
F1738
map
digital
CWOP/APRSWX
912
 42.39417
-91.76111
2024
2023
2022
2021
2020
2019
2018
-
-
nmme
-
35 FW1782 Fairbank Buchanan Cou
18
na
na
na
na
F1782
map
digital
CWOP/APRSWX
971
 42.63917
-92.05028
2024
2023
2022
2021
2020
2019
2018
-
-
nmme
-
36 FW1886 Stanley Fayette Coun
79
na
na
na
na
F1886
map
digital
CWOP/APRSWX
1117
 42.64222
-91.81111
2024
2023
2022
2021
2020
2019
2018
-
-
nmme
-
37 FW2168 Blockton Taylor Count
77
na
na
na
na
F2168
map
digital
CWOP/APRSWX
1175
 40.61944
-94.47222
2024
2023
2022
2021
2020
2019
-
-
nmme
-
38 FW2883 Reinbeck Grundy Count
70
na
na
na
na
F2883
map
digital
CWOP/APRSWX
928
 42.32528
-92.58944
2024
2023
2022
2021
2020
2019
-
-
nmme
-
39 FW2885 Dysart Tama County
68
na
na
na
na
F2885
map
digital
CWOP/APRSWX
955
 42.18167
-92.33028
2024
2023
2022
2021
2020
2019
-
-
nmme
-
40 FW3897 Muscatine Rock Island
67
na
na
na
na
F3897
map
digital
CWOP/APRSWX
649
 41.41861
-91.05028
2024
2023
2022
2021
2020
2019
2018
-
-
nmme
-
41 FW4695 Cedar Rapids Johnson Coun
62
na
na
na
na
F4695
map
digital
CWOP/APRSWX
807
 41.84528
-91.63611
2024
2023
2022
2021
2020
2019
-
-
nmme
-
42 FW5287 Saratoga Howard Count
75
na
na
na
na
F5287
map
digital
CWOP/APRSWX
1289
 43.35194
-92.41611
2024
2023
2022
2021
2020
2019
-
-
nmme
-
43 FW5317 Reinbeck Black Hawk C
70
na
na
na
na
F5317
map
digital
CWOP/APRSWX
938
 42.34028
-92.54333
2024
2023
2022
2021
2020
2019
-
-
nmme
-
44 FW5871 Grinnell Poweshiek Co
73
na
na
na
na
F5871
map
digital
CWOP/APRSWX
1013
 41.76139
-92.71278
2024
2023
2022
2021
2020
2019
-
-
nmme
-
45 FW5908 Glenwood Mills County
91
na
na
na
na
F5908
map
digital
CWOP/APRSWX
1181
 41.06944
-95.77056
2024
2023
2022
2021
2020
2019
-
-
nmme
-
46 FW6173 Buffalo Henry County
3
na
na
na
na
F6173
map
digital
CWOP/APRSWX
725
 40.97972
-91.40611
2024
2023
2022
2021
-
-
nmme
-
47 FW6302 Hawarden Sioux County
75
na
na
na
na
F6302
map
digital
CWOP/APRSWX
1171
 42.99000
-96.48806
2024
2023
2022
2021
-
-
nmme
-
48 FW6676 Grandview Louisa Count
73
na
na
na
na
F6676
map
digital
CWOP/APRSWX
679
 41.26056
-91.16944
2024
2023
2022
2021
-
-
nmme
-
49 FW6793 Ottumwa Wapello Coun
87
na
na
na
na
F6793
map
digital
CWOP/APRSWX
652
 41.02056
-92.41500
2024
2023
2022
2021
-
-
-
-
50 FW6833 Ames Boone County
0
na
na
na
na
F6833
map
digital
CWOP/APRSWX
1053
 42.00944
-93.70444
2024
2023
2022
2021
-
-
nmme
-
51 FW7399 Terril Dickinson Co
79
na
na
na
na
F7399
map
digital
CWOP/APRSWX
1427
 43.30472
-94.97417
2024
2023
2022
2021
-
-
nmme
-
52 FW7822 La Porte City Black Hawk C
79
na
na
na
na
F7822
map
digital
CWOP/APRSWX
853
 42.31722
-92.20056
2024
2023
2022
2021
-
-
nmme
-
53 FW8034 Grimes Polk County
69
na
na
na
na
F8034
map
digital
CWOP/APRSWX
951
 41.66278
-93.76250
2024
2023
2022
2021
-
-
-
-
54 FW8037 Parkersburg Butler Count
71
na
na
na
na
F8037
map
digital
CWOP/APRSWX
984
 42.57500
-92.77667
2024
2023
2022
2021
-
-
nmme
-
55 FW8044 Norwalk Polk County
81
na
na
na
na
F8044
map
digital
CWOP/APRSWX
938
 41.48139
-93.67278
2024
2023
2022
2021
-
-
nmme
-
56 Grinnell CW8097 Poweshiek Co
83
na
na
na
na
C8097
map
digital
CWOP/APRSWX
994
 41.71667
-92.71806
2024
-
-
nmme
-
57 GW0281 Eldridge Rock Island
74
na
na
na
na
G0281
map
digital
CWOP/APRSWX
774
 41.64389
-90.58667
2024
2023
2022
2021
-
-
nmme
-
58 GW0743 Mason City Cerro Gordo
74
na
na
na
na
G0743
map
digital
CWOP/APRSWX
1145
 43.23194
-93.31028
2024
2023
2022
2021
-
-
nmme
-
59 GW0850 Johnston Polk County
73
na
na
na
na
G0850
map
digital
CWOP/APRSWX
938
 41.68139
-93.75222
2024
2023
2022
2021
-
-
-
-
60 GW0898 Atlantic Cass County
78
na
na
na
na
G0898
map
digital
CWOP/APRSWX
1154
 41.40972
-95.00000
2024
-
-
nmme
-
61 GW0954 Eldora Hardin Count
72
na
na
na
na
G0954
map
digital
CWOP/APRSWX
1013
 42.30806
-93.09056
2024
-
-
nmme
-
62 GW1032 Beaman Grundy Count
72
na
na
na
na
G1032
map
digital
CWOP/APRSWX
1030
 42.22333
-92.82306
2024
-
-
-
-
63 GW1087 Cedar Rapids Linn County
91
na
na
na
na
G1087
map
digital
CWOP/APRSWX
616
 41.97556
-91.69806
2024
-
-
nmme
-
64 GW1737 BETTENDORF Rock Island
73
na
na
na
na
G1737
map
digital
CWOP/APRSWX
669
 41.55528
-90.46444
2024
-
-
nmme
-
65 GW1766 CASTANA Monona Count
53
na
na
na
na
G1766
map
digital
CWOP/APRSWX
1384
 42.13750
-95.89917
2024
-
-
nmme
-
66 GW1775 CHARLES CITY Floyd County
84
na
na
na
na
G1775
map
digital
CWOP/APRSWX
1023
 43.05306
-92.67083
2024
-
-
nmme
-
67 GW1791 NEW HAMPTON Chickasaw Co
80
na
na
na
na
G1791
map
digital
CWOP/APRSWX
1135
 43.04639
-92.30306
2024
-
-
nmme
-
68 GW1979 STACYVILLE Mitchell Cou
88
na
na
na
na
G1979
map
digital
CWOP/APRSWX
1197
 43.43750
-92.78056
2024
-
-
nmme
-
69 GW2554 Ankeny Polk County
75
na
na
na
na
G2554
map
digital
CWOP/APRSWX
984
 41.72444
-93.59889
2024
-
-
nmme
-
70 GW2622 Indianola Warren Count
78
na
na
na
na
G2622
map
digital
CWOP/APRSWX
938
 41.35667
-93.64667
2024
-
-
nmme
-
71 GW2714 Iowa City Johnson Coun
88
na
na
na
na
G2714
map
digital
CWOP/APRSWX
705
 41.63917
-91.57056
2024
-
-
nmme
-
72 GW2942 Iowa City Johnson Coun
76
na
na
na
na
G2942
map
digital
CWOP/APRSWX
206
 41.63639
-91.50750
2024
-
-
nmme
-
73 GW3192 Cedar Falls Black Hawk C
83
na
na
na
na
G3192
map
digital
CWOP/APRSWX
948
 42.49417
-92.44056
2024
-
-
-
-
74 GW3567 UNDERWOOD Pottawattami
86
na
na
na
na
G3567
map
digital
CWOP/APRSWX
1112
 41.39222
-95.68361
2024
-
-
-
-
75 GW3881 SHELLSBURG Benton Count
79
na
na
na
na
G3881
map
digital
CWOP/APRSWX
797
 42.09472
-91.86972
2024
-
-
nmme
-
76 Iowa City CW5749 Johnson
76
na
na
na
na
C5749
map
digital
CWOP/APRSWX
741
 41.64889
-91.49028
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
77 Le Mars DW1631 Plymouth
71
na
na
na
na
D1631
map
digital
CWOP/APRSWX
1020
 42.82444
-96.19361
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
78 Madrid CW2001 Boone
74
na
na
na
na
C2001
map
digital
CWOP/APRSWX
1001
 41.87167
-93.81278
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
79 AC0YE Marion Linn County
81
na
na
na
na
AV293
map
digital
CWOP/APRSWX
859
 42.03861
-91.58306
2024
2023
2022
2021
2020
2019
-
-
nmme
-
80 Milford LS Orchard Milford
81
na
na
na
na
F1255
map
digital
CWOP/APRSWX
1443
 43.26861
-95.26417
2024
2023
2022
2021
2020
-
-
nmme
-
81 K0WOI Minburn Dallas Count
67
na
na
na
na
AV843
map
digital
CWOP/APRSWX
921
 41.74556
-94.05500
2024
2023
2022
2021
-
-
nmme
-
82 New London CW3742 Des Moines
70
na
na
na
na
C3742
map
digital
CWOP/APRSWX
814
 40.97000
-91.34333
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
83 N0AN Ogden Boone County
0
na
na
na
na
AP055
map
digital
CWOP/APRSWX
1148
 42.09167
-94.01250
2024
-
-
nmme
-
84 Olin DW2485 Jones
70
na
na
na
na
D2485
map
digital
CWOP/APRSWX
804
 42.02000
-91.13028
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
85 K0BL Ottumwa Wapello Coun
60
na
na
na
na
AT717
map
digital
CWOP/APRSWX
649
 41.00417
-92.43806
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG
-
-
86 N0MPM4 Pella Marion Count
74
na
na
na
na
AU190
map
digital
CWOP/APRSWX
830
 41.42806
-92.92472
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
87 Polk City DW3886 Polk
79
na
na
na
na
D3886
map
digital
CWOP/APRSWX
975
 41.73111
-93.66222
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
88 N0IAE SIOUX CITY Woodbury Cou
82
na
na
na
na
AV951
map
digital
CWOP/APRSWX
1282
 42.52556
-96.39806
2024
-
-
nmme
-
89 Sioux City WB0WNX Woodbury
87
na
na
na
na
AP032
map
digital
CWOP/APRSWX
1257
 42.55750
-96.40194
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
90 KC0RIG Spirit Lake Dickinson Co
75
na
na
na
na
AS497
map
digital
CWOP/APRSWX
1473
 43.42167
-95.10278
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
91 N0XUT Urbana Benton Count
76
na
na
na
na
AV038
map
digital
CWOP/APRSWX
912
 42.21944
-91.88278
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
92 K0KDS Urbandale Polk County
75
na
na
na
na
AV196
map
digital
CWOP/APRSWX
928
 41.64306
-93.70861
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG
-
-
93 W0DP Ames Story County
78
na
na
na
na
AT958
map
digital
CWOP/APRSWX
978
 42.07806
-93.65861
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme
-
94 Waterloo CW6951 Black Hawk
30
na
na
na
na
C6951
map
digital
CWOP/APRSWX
873
 42.47222
-92.41500
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-
95 WB0VYV Ottumwa Wapello Coun
71
na
na
na
na
AV145
map
digital
CWOP/APRSWX
823
 41.02917
-92.39556
2024
2023
2022
2021
2020
2019
2018
2017
AVG AVG
-
-
96 wx4taz Underwood Pottawattami
78
na
na
na
na
AV424
map
digital
CWOP/APRSWX
1219
 41.41528
-95.77444
2024
2023
2022
2021
2020
2019
-
-
-
-

[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.