Hourly Weather Forecast - Johnston, IA

12 AM
22°F
0%
6mph
NNE
Clear
Humidity
78%
Feels like
15°F
Dew Point
17°F
1 AM
21°F
0%
5mph
NE
Clear
Humidity
79%
Feels like
15°F
Dew Point
16°F
2 AM
20°F
0%
4mph
NE
Clear
Humidity
80%
Feels like
15°F
Dew Point
15°F
3 AM
20°F
0%
3mph
ENE
Clear
Humidity
80%
Feels like
15°F
Dew Point
15°F
4 AM
19°F
0%
3mph
ENE
Clear
Humidity
81%
Feels like
19°F
Dew Point
15°F
5 AM
21°F
0%
3mph
ENE
Clear
Humidity
76%
Feels like
21°F
Dew Point
14°F
6 AM
22°F
0%
3mph
E
Clear
Humidity
71%
Feels like
22°F
Dew Point
14°F
7 AM
24°F
0%
4mph
ESE
Clear
Humidity
67%
Feels like
19°F
Dew Point
14°F
7:20 AM
8 AM
24°F
0%
5mph
SE
Mostly Sunny
Humidity
66%
Feels like
18°F
Dew Point
15°F
9 AM
26°F
0%
6mph
SE
Mostly Sunny
Humidity
64%
Feels like
19°F
Dew Point
15°F
10 AM
28°F
0%
8mph
SSE
Partly Cloudy
Humidity
59%
Feels like
20°F
Dew Point
15°F
11 AM
30°F
0%
9mph
SSE
Partly Cloudy
Humidity
55%
Feels like
22°F
Dew Point
16°F
12 PM
32°F
0%
9mph
SSE
Mostly Sunny
Humidity
51%
Feels like
24°F
Dew Point
16°F
1 PM
34°F
0%
10mph
SSE
Partly Cloudy
Humidity
48%
Feels like
26°F
Dew Point
17°F
2 PM
35°F
0%
11mph
SSE
Partly Cloudy
Humidity
47%
Feels like
27°F
Dew Point
17°F
3 PM
36°F
0%
11mph
SSE
Partly Cloudy
Humidity
47%
Feels like
28°F
Dew Point
17°F
4 PM
35°F
0%
11mph
SSE
Partly Cloudy
Humidity
47%
Feels like
27°F
Dew Point
17°F
5 PM
34°F
0%
11mph
SSE
Mostly Sunny
Humidity
49%
Feels like
26°F
Dew Point
17°F
5:37 PM
6 PM
33°F
0%
10mph
SSE
Clear
Humidity
51%
Feels like
24°F
Dew Point
17°F
7 PM
31°F
0%
9mph
SSE
Mostly Clear
Humidity
54%
Feels like
23°F
Dew Point
17°F
8 PM
30°F
0%
9mph
SSE
Partly Cloudy
Humidity
57%
Feels like
22°F
Dew Point
17°F
9 PM
29°F
0%
9mph
SSE
Mostly Cloudy
Humidity
60%
Feels like
21°F
Dew Point
17°F
10 PM
29°F
0%
9mph
SSE
Mostly Cloudy
Humidity
62%
Feels like
20°F
Dew Point
18°F
11 PM
29°F
0%
9mph
SSE
Mostly Cloudy
Humidity
64%
Feels like
20°F
Dew Point
18°F

Friday's Weather Outlook

Friday's Weather Outlook

A snow-filled clipper system is set to sweep through the Great Lakes, Ohio Valley, and Mid-Atlantic.

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image courtesy of Pixabay.com

All About Snow Squalls

A person in a pink coat and red mittens holding a snowball. (Image by Dmitriy Gutarev from Pixabay)

Cold Weather and Worsening Health Conditions

Windchill chart

Dangers of Wind Chills

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