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ADD:
Station:
Ob Time
Temps °F
Wind [knots]
Precip
Air
(
Hi
/
Lo
)
DewP
Feels
RH%
Vis
Speed
Direction
Gust
@
Time
Accum
[1]
Grinnell
05:40 AM
11.8(
19.7
/
11.8
)
6.3
85
De Soto (I-80/US 169)
05:40 AM
20.3(
21.7
/
19.4
)
20
20
31
0
Carroll (US 30)
05:40 AM
18(
19
/
17.2
)
14.7
6
86
10.1
10G12
90
13@ 05:15 AM
0
Colfax - I-80
05:40 AM
14.7(
21.4
/
13.8
)
10.6
15
83
0
40
17@ 12:00 AM
0
Plainfield
05:40 AM
21.4(
25.9
/
21.4
)
21.4
21
100
0
Adair (I-80)
05:40 AM
19.4(
19.9
/
19
)
16.2
19
87
0
Alton (IA10)
05:40 AM
16(
17.1
/
13.3
)
10
16
77
0
Avoca (I-80)
05:40 AM
21.4(
22.1
/
21.4
)
21.4
14
85
5G11
140
13@ 02:50 AM
Steamboat Rock (US20)
05:40 AM
8.1(
12.7
/
6.6
)
4.5
8
85
0
Sibley
05:40 AM
11.1(
13.3
/
9.3
)
7
1
83
5G10
70
11@ 03:15 AM
0
Spencer (US 18)
05:40 AM
8.4(
13.1
/
7.7
)
3.7
8
80
3G4
130
9@ 12:00 AM
0
Williamsburg (I-80)
05:40 AM
10.8(
18.7
/
10.8
)
7.2
11
85
0
270
22@ 01:20 AM
0
Grinnell (I-80)
05:40 AM
12(
18.9
/
11.7
)
8.4
12
85
0
80
4@ 12:00 AM
0
Urbana (I-380)
05:40 AM
16.3(
19
/
16.3
)
12.9
16
86
0.1
0
280
14@ 12:40 AM
1.4
Dubuque (US 20)
05:40 AM
21.4(
23.4
/
21.2
)
17.8
21
85
2G5
30
11@ 12:00 AM
0
Fort Dodge (US 20)
05:40 AM
9.7(
14.7
/
7.7
)
7.2
10
89
0
Iowa City (US 218)
05:40 AM
18.7(
18.9
/
18.7
)
18.7
10
84
5
340
6@ 12:50 AM
0
Quad Cities
05:40 AM
20(
21
/
20
)
19
11
96
6G8
310
19@ 12:10 AM
0
Algona (US 18)
05:40 AM
10.6(
13.8
/
7.2
)
5.9
11
81
2G2
0
10@ 01:55 AM
0
Williams (I-35)
05:40 AM
7.5(
10.4
/
1.8
)
7.5
8
89
0G2
130
10@ 12:10 AM
0
Tama
05:40 AM
9.7(
18.9
/
9.7
)
6.1
1
85
4G5
10
15@ 12:20 AM
0
Red Oak (US 34/US 71)
05:40 AM
23.2(
23.7
/
23.2
)
19.8
23
86
0
Sidney (I-29/IA 2)
05:40 AM
27(
28.2
/
27
)
23.5
18
86
8G11
110
12@ 12:25 AM
0
Sigourney (IA 92)
05:40 AM
15.8(
22.6
/
15.8
)
15.8
6
80
6
20
6@ 12:00 AM
Des Moines (I-35)
05:40 AM
18.1(
22.5
/
17.6
)
16.3
18
74
0
De Witt (US 30/US 61)
05:40 AM
20.8(
22.6
/
20.8
)
19
14
92
1.9
4G7
290
17@ 12:10 AM
0
Sioux City Maintenance
05:40 AM
20.7(
21
/
20.3
)
15.4
13
80
5G9
280
12@ 03:10 AM
Iowa City (I-80)
05:40 AM
20.1(
20.1
/
20.1
)
20.1
12
83
5
340
6@ 12:50 AM
Jefferson (IA 4)
05:40 AM
15.4(
18.5
/
12.4
)
12.2
15
86
2.3
0
Leon (I-35)/IA 2)
05:40 AM
22.3(
22.5
/
21.4
)
17.2
15
80
0.1
5G7
120
8@ 03:45 AM
0
Manchester (US 20)
05:40 AM
19.4(
20.7
/
19.4
)
15.6
13
84
4G6
310
13@ 12:00 AM
0
Maquoketa (US 61/IA 64)
05:40 AM
21.6(
23.4
/
21.6
)
17.1
15
82
4G5
280
13@ 12:00 AM
0
Mason City (I-35)
05:40 AM
11(
13
/
11
)
6.6
11
87
2G2
270
2@ 12:10 AM
0
Missouri Valley (I-29)
05:40 AM
24.6(
24.6
/
23.9
)
23
16
94
7
130
12@ 05:35 AM
Mount Pleasant (US 218)
05:40 AM
21.6(
25.2
/
21.2
)
14.7
22
74
2G4
340
16@ 12:00 AM
0
Osceola (US 34)
05:40 AM
20.5(
23
/
20.3
)
17.6
14
88
1.9
4G8
150
11@ 04:20 AM
0
Ottumwa (US 63)
05:40 AM
20.1(
25.3
/
20.1
)
13.8
13
76
4G5
300
13@ 02:25 AM
0
Eddyville
05:40 AM
18.1(
24.8
/
17.2
)
11.7
18
75
1.2
3G4
10
14@ 12:10 AM
0
Denison
05:40 AM
27.5(
28
/
27.1
)
22.1
28
80
0
Moville
05:40 AM
20.7(
20.7
/
18.3
)
17.4
21
87
3
110
10@ 02:45 AM
Ida Grove (US 59)
05:40 AM
18.9(
19
/
16.2
)
15.6
19
87
2G6
80
10@ 03:55 AM
0
Des Moines (I-235)
05:40 AM
17.6(
22.5
/
17.1
)
9.9
9
71
5
60
6@ 02:50 AM
0
New Hampton (US 18)
05:40 AM
11.7(
17.8
/
11.7
)
8.2
12
85
0.3
1G3
350
14@ 12:40 AM
0.3
Bedford
05:40 AM
24.1(
24.4
/
23.9
)
24.1
17
89
5G9
100
10@ 05:25 AM
0
Tipton (I-80)
05:40 AM
20.3(
22.3
/
20.3
)
16.7
13
85
1.2
4G7
290
12@ 12:20 AM
0
Waterloo (US 20)
05:40 AM
13.3(
18.5
/
13.3
)
10.2
5
87
4G5
290
12@ 12:20 AM
0
Hanlontown (I-35)
05:40 AM
8.4(
11.8
/
5.5
)
6.6
8
92
0
340
11@ 12:30 AM
Cedar Rapids (I-380)
05:40 AM
18.1(
21
/
18.1
)
13.3
12
81
4G5
330
15@ 12:00 AM
0
Cedar Rapids (US 30)
05:40 AM
16.9(
21
/
16.9
)
16.9
6
86
7
340
8@ 03:50 AM
0
Centerville (IA 2)
05:40 AM
21.6(
23.5
/
19.6
)
15.4
22
76
0
Creston (US 34)
05:40 AM
20.3(
20.7
/
19.6
)
16.7
20
85
3G8
120
12@ 03:55 AM
0
Davenport (I-80/I-280)
05:40 AM
20.8(
22.8
/
20.8
)
17.6
11
87
7G10
260
16@ 12:35 AM
0
Decorah (IA 9)
05:40 AM
13(
15
/
13
)
13
13
50
2G5
350
11@ 12:00 AM
0
Rockwell City
05:40 AM
12.6(
16.5
/
11.1
)
9.7
2
87
6G8
60
10@ 05:00 AM
0
Estherville - Hwy 9
05:40 AM
10.8(
12.4
/
6.6
)
5.5
11
79
1G2
170
12@ 12:00 AM
0
Mason City US18
05:40 AM
12(
14
/
11.8
)
12
12
100
3G4
280
14@ 12:00 AM
0
Council Bluffs No2
05:40 AM
25.2(
25.2
/
24.3
)
19.8
25
80
3G10
130
10@ 05:35 AM
0
Saratoga
05:40 AM
12.6(
16
/
12
)
10.9
2
93
6G6
20
11@ 12:00 AM
Hawkeye
05:40 AM
17.2(
18.9
/
17.2
)
14.2
17
87
3G4
310
14@ 12:00 AM
Victor
05:40 AM
11.5(
20.1
/
11.5
)
7.2
2
82
5
10
5@ 12:00 AM
Early - US20/US71
05:40 AM
14.5(
16.9
/
13.8
)
14.5
1
91
10G10
100
11@ 04:55 AM
0
Anamosa (US 151)
05:40 AM
18.7(
20.8
/
18.7
)
15.4
9
86
1.2
7G9
290
18@ 12:00 AM
0
Council Bluffs (I-80)
05:40 AM
25.5(
25.5
/
24.4
)
25.5
19
84
4
80
6@ 12:00 AM
0
Mount Vernon - US30/IA1
05:40 AM
19.2(
21.6
/
19.2
)
14.4
19
81
2G5
30
12@ 12:40 AM
0
Van Horne - US30/IA218
05:40 AM
9.5(
18.9
/
9.5
)
7
-3
89
7G7
40
18@ 12:00 AM
0
Little Sioux - I29
05:40 AM
23.2(
23.2
/
22.5
)
18.5
13
82
9G9
40
10@ 03:40 AM
0
Cantril
05:40 AM
23(
24
/
23
)
22
23
99
0
20
11@ 12:20 AM
0
Altoona (I-80/US 65)
05:40 AM
18(
21
/
18
)
18
12
100
1
4G4
50
11@ 12:00 AM
0
Ames (I-35)
05:40 AM
12(
17.1
/
11.8
)
8.4
12
85
0
Ankeny (I-35)
05:40 AM
18(
20
/
18
)
18
12
100
4G4
350
12@ 12:10 AM
0
Burlington (US 34)
05:40 AM
22.5(
25.7
/
22.5
)
19.8
23
89
3G6
280
15@ 12:00 AM
0
Sloan I-29
05:40 AM
21.9(
21.9
/
20.8
)
17.8
14
84
5
70
6@ 12:50 AM
0
Granger
05:40 AM
19(
21
/
19
)
19
19
100
2G2
60
11@ 01:10 AM
0
Tiffin - I80/I380 Flyover
05:40 AM
17.8(
21.2
/
17.8
)
13.3
18
82
3G4
330
17@ 12:25 AM
0
Bloomfield
05:39 AM
21(
24.2
/
20.1
)
14
81
Cleghorn
05:39 AM
14.8(
15.5
/
12
)
9.7
86
Akron
05:39 AM
17.4(
17.8
/
16.7
)
12.6
87
Olds
05:38 AM
19.1(
23.1
/
19.1
)
12.4
81
Pleasantville
05:36 AM
17.2(
22.5
/
16.4
)
7.4
73
Riverside
05:36 AM
18.4(
22.3
/
18.4
)
11.9
82
Argyle
05:35 AM
24.2(
27
/
24.2
)
15.4
76
Pacific Junction
05:35 AM
26.2(
26.5
/
25.6
)
19.7
82
Leland
05:34 AM
7.5(
8.7
/
5.8
)
4.9
93
Mount Ayr
05:30 AM
22.2(
22.6
/
21.9
)
15.3
81
Prairie City
05:26 AM
14.8(
20.9
/
12.4
)
9.7
86
Williams
05:25 AM
6.7(
12.5
/
6.7
)
2.3
88
Ainsworth
05:24 AM
18.6(
22.8
/
18.6
)
12
82
Marshalltown (US 30)
Dec-11-2025
Site Offline
Notes:
1
Not all sites have the ability to measure precip nor visibility.
2
The Iowa City (I-80) RWIS site does not have atmospheric sensors on it , so it is not included on this page.