Johnston, IA Current Weather Conditions
▼Current Conditions — Johnston, IA
| AMES (KAMW) |
 |
Clear75.2 F |
| Humidity: | 54% |
| Wind Speed: | 12.7 G 18.4 mph |
| Barometer: | 29.98 in |
| Dewpoint: | 57.2 F |
| Visibility: | 10.00 mi |
| Precip: | -- |
| Heat Index: | 75.0 F |
| Wind Chill: | NA |
|
| Jul 21 2026, 06:45 PM CDT |
|
|
▼State Weather Snapshot — Iowa
▼Hourly Observation History — Johnston, IA
| Time |
Wind
(mph) |
Vis
(mi) |
Weather |
Precip (in) |
Temperature (F) |
Relative
Humidity |
Wind
Chill
(F) |
Heat
Index
(F) |
Pressure |
| Air |
Dwpt |
altimeter
(in) |
sea level
(mb) |
| 06:45 PM CDT |
12.7 G 18.4 |
10.00 |
Clear |
-- |
75.2 |
57.2 |
54% |
NA |
75.0 |
29.98 |
1015.2 |
| 06:35 PM CDT |
12.7 G 18.4 |
10.00 |
Clear |
-- |
77.0 |
59.0 |
54% |
NA |
77.0 |
29.98 |
1015.2 |
| 06:30 PM CDT |
16.1 |
10.00 |
Mostly Clear |
-- |
75.2 |
57.2 |
54% |
NA |
75.0 |
29.98 |
1015.2 |
| 06:25 PM CDT |
17.3 |
10.00 |
Mostly Clear |
-- |
77.0 |
57.2 |
50% |
NA |
76.8 |
29.98 |
1015.2 |
| 06:20 PM CDT |
13.8 G 19.6 |
10.00 |
Mostly Clear |
-- |
77.0 |
59.0 |
54% |
NA |
77.0 |
29.98 |
1015.2 |
| 06:15 PM CDT |
12.7 G 18.4 |
10.00 |
Mostly Clear |
-- |
77.0 |
59.0 |
54% |
NA |
77.0 |
29.98 |
1015.2 |
| 06:10 PM CDT |
12.7 |
10.00 |
Mostly Clear |
-- |
77.0 |
59.0 |
54% |
NA |
77.0 |
29.98 |
1015.2 |
| 06:05 PM CDT |
18.4 |
10.00 |
Mostly Clear |
-- |
77.0 |
59.0 |
54% |
NA |
77.0 |
29.98 |
1015.2 |
| 06:00 PM CDT |
12.7 |
10.00 |
Clear |
-- |
77.0 |
59.0 |
54% |
NA |
77.0 |
29.98 |
1015.2 |
| 05:50 PM CDT |
15.0 G 21.9 |
10.00 |
Mostly Clear |
-- |
78.8 |
59.0 |
51% |
NA |
78.8 |
29.98 |
1015.2 |
| 05:45 PM CDT |
13.8 |
10.00 |
Mostly Clear |
-- |
77.0 |
59.0 |
54% |
NA |
77.0 |
29.98 |
1015.2 |
| 05:35 PM CDT |
17.3 |
10.00 |
Mostly Clear |
-- |
77.0 |
57.2 |
50% |
NA |
76.8 |
29.97 |
1014.9 |
| 05:30 PM CDT |
17.3 |
10.00 |
Mostly Clear |
-- |
78.8 |
60.8 |
54% |
NA |
79.0 |
29.97 |
1014.9 |
| 05:20 PM CDT |
13.8 G 20.7 |
10.00 |
Mostly Clear |
-- |
78.8 |
59.0 |
51% |
NA |
78.8 |
29.97 |
1014.9 |
| 05:15 PM CDT |
17.3 |
10.00 |
Clear |
-- |
77.0 |
60.8 |
57% |
NA |
77.2 |
29.97 |
1014.9 |
| 05:10 PM CDT |
17.3 |
10.00 |
Clear |
-- |
77.0 |
59.0 |
54% |
NA |
77.0 |
29.97 |
1014.9 |
| 05:05 PM CDT |
15.0 G 24.2 |
10.00 |
Clear |
-- |
77.0 |
57.2 |
50% |
NA |
76.8 |
29.97 |
1014.9 |
| 04:50 PM CDT |
16.1 G 21.9 |
10.00 |
Clear |
-- |
78.8 |
59.0 |
51% |
NA |
78.8 |
29.97 |
1014.9 |
| 04:45 PM CDT |
13.8 G 21.9 |
10.00 |
Clear |
-- |
78.8 |
57.2 |
48% |
NA |
78.6 |
29.97 |
1014.9 |
| 04:35 PM CDT |
NW 18.4 G 24.2 |
10.00 |
Clear |
-- |
77.0 |
57.2 |
50% |
NA |
76.8 |
29.97 |
1014.9 |
| 04:25 PM CDT |
16.1 G 25.3 |
10.00 |
Clear |
-- |
78.8 |
59.0 |
51% |
NA |
78.8 |
29.97 |
1014.9 |
| 04:20 PM CDT |
16.1 |
10.00 |
Clear |
-- |
78.8 |
59.0 |
51% |
NA |
78.8 |
29.97 |
1014.9 |
| 04:05 PM CDT |
17.3 |
10.00 |
Clear |
-- |
78.8 |
59.0 |
51% |
NA |
78.8 |
29.97 |
1014.9 |
| 04:00 PM CDT |
G 27.6 |
10.00 |
Clear |
-- |
78.8 |
60.8 |
54% |
NA |
79.0 |
29.96 |
1014.6 |
|
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