Hourly Weather Forecast - Johnston, IA

12 AM
12°F
0%
8mph
NW
Mostly Clear
Humidity
64%
Feels like
1°F
Dew Point
2°F
1 AM
11°F
0%
8mph
NW
Partly Cloudy
Humidity
66%
Feels like
0°F
Dew Point
2°F
2 AM
11°F
0%
8mph
NW
Partly Cloudy
Humidity
68%
Feels like
0°F
Dew Point
2°F
3 AM
11°F
0%
7mph
NW
Partly Cloudy
Humidity
68%
Feels like
0°F
Dew Point
2°F
4 AM
10°F
0%
6mph
NW
Mostly Cloudy
Humidity
68%
Feels like
0°F
Dew Point
2°F
5 AM
10°F
10%
6mph
WNW
Mostly Cloudy
Humidity
69%
Feels like
0°F
Dew Point
2°F
6 AM
10°F
10%
6mph
WNW
Mostly Cloudy
Humidity
70%
Feels like
0°F
Dew Point
2°F
7 AM
11°F
10%
6mph
WNW
Partly Cloudy
Humidity
68%
Feels like
1°F
Dew Point
2°F
7:23 AM
8 AM
12°F
10%
6mph
WSW
Partly Cloudy
Humidity
65%
Feels like
2°F
Dew Point
3°F
9 AM
15°F
10%
7mph
SSW
Partly Cloudy
Humidity
64%
Feels like
5°F
Dew Point
5°F
10 AM
18°F
10%
7mph
S
Partly Cloudy
Humidity
58%
Feels like
8°F
Dew Point
6°F
11 AM
21°F
10%
8mph
S
Mostly Cloudy
Humidity
49%
Feels like
11°F
Dew Point
5°F
12 PM
24°F
10%
8mph
S
Mostly Cloudy
Humidity
41%
Feels like
15°F
Dew Point
4°F
1 PM
28°F
10%
9mph
S
Mostly Cloudy
Humidity
37%
Feels like
18°F
Dew Point
5°F
2 PM
31°F
10%
10mph
S
Mostly Cloudy
Humidity
34%
Feels like
22°F
Dew Point
6°F
3 PM
33°F
10%
10mph
S
Cloudy
Humidity
33%
Feels like
25°F
Dew Point
8°F
4 PM
35°F
10%
11mph
S
Cloudy
Humidity
33%
Feels like
28°F
Dew Point
9°F
5 PM
36°F
30%
11mph
SSE
30% Chance Snow Showers
Humidity
34%
Feels like
29°F
Dew Point
11°F
6 PM
36°F
30%
11mph
SSE
30% Chance Snow Showers
Humidity
36%
Feels like
29°F
Dew Point
12°F
7 PM
35°F
40%
11mph
SSE
40% Chance Snow Showers
Humidity
42%
Feels like
27°F
Dew Point
14°F
7:23 PM
8 PM
34°F
50%
11mph
SSE
50% Chance Light Snow
Humidity
75%
Feels like
26°F
Dew Point
27°F
9 PM
34°F
50%
12mph
SSE
50% Chance Light Snow
Humidity
77%
Feels like
25°F
Dew Point
27°F
10 PM
33°F
50%
11mph
SSE
50% Chance Frozen Mix
Humidity
79%
Feels like
25°F
Dew Point
27°F
11 PM
33°F
40%
11mph
SSE
40% Chance Frozen Mix
Humidity
81%
Feels like
24°F
Dew Point
28°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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