Hourly Weather Forecast - Johnston, IA

12 AM
35°F
10%
4mph
NE
Mostly Cloudy
Humidity
55%
Feels like
32°F
Dew Point
21°F
1 AM
35°F
20%
5mph
ENE
Cloudy
Humidity
57%
Feels like
30°F
Dew Point
21°F
2 AM
34°F
20%
5mph
ENE
Cloudy
Humidity
59%
Feels like
29°F
Dew Point
22°F
3 AM
34°F
20%
6mph
ENE
Cloudy
Humidity
62%
Feels like
28°F
Dew Point
22°F
4 AM
33°F
20%
7mph
E
Mostly Cloudy
Humidity
64%
Feels like
27°F
Dew Point
22°F
5 AM
33°F
20%
7mph
E
Mostly Cloudy
Humidity
66%
Feels like
26°F
Dew Point
22°F
6 AM
32°F
20%
8mph
E
Mostly Cloudy
Humidity
67%
Feels like
25°F
Dew Point
22°F
7 AM
32°F
10%
9mph
E
Mostly Cloudy
Humidity
66%
Feels like
25°F
Dew Point
22°F
7:28 AM
8 AM
33°F
10%
10mph
E
Mostly Cloudy
Humidity
65%
Feels like
25°F
Dew Point
23°F
9 AM
35°F
0%
11mph
ESE
Cloudy
Humidity
64%
Feels like
27°F
Dew Point
24°F
10 AM
36°F
0%
11mph
ESE
Cloudy
Humidity
61%
Feels like
29°F
Dew Point
24°F
11 AM
38°F
0%
12mph
ESE
Cloudy
Humidity
58%
Feels like
31°F
Dew Point
25°F
12 PM
40°F
0%
12mph
ESE
Cloudy
Humidity
56%
Feels like
33°F
Dew Point
26°F
1 PM
42°F
0%
13mph
ESE
Cloudy
Humidity
54%
Feels like
35°F
Dew Point
26°F
2 PM
44°F
0%
13mph
ESE
Cloudy
Humidity
51%
Feels like
37°F
Dew Point
27°F
3 PM
45°F
0%
13mph
ESE
Cloudy
Humidity
50%
Feels like
39°F
Dew Point
28°F
4 PM
46°F
0%
13mph
ESE
Cloudy
Humidity
49%
Feels like
40°F
Dew Point
28°F
5 PM
46°F
0%
13mph
ESE
Cloudy
Humidity
50%
Feels like
40°F
Dew Point
28°F
6 PM
45°F
0%
13mph
E
Cloudy
Humidity
51%
Feels like
39°F
Dew Point
28°F
7 PM
44°F
0%
13mph
E
Cloudy
Humidity
52%
Feels like
38°F
Dew Point
28°F
7:20 PM
8 PM
43°F
0%
13mph
E
Cloudy
Humidity
55%
Feels like
37°F
Dew Point
28°F
9 PM
42°F
0%
13mph
E
Cloudy
Humidity
58%
Feels like
36°F
Dew Point
29°F
10 PM
42°F
10%
14mph
E
Cloudy
Humidity
60%
Feels like
34°F
Dew Point
29°F
11 PM
40°F
10%
14mph
E
Mostly Cloudy
Humidity
63%
Feels like
33°F
Dew Point
29°F

Wind Gust Forecast

High Winds & Heavy Snow Batter The Northern U.S.

A storm system tracking across the Northern U.S. will usher in snowy and blustery weather for the end of the week.

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

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