Hourly Weather Forecast - Johnston, IA

11 AM
46°F
0%
11mph
WNW
Cloudy
Humidity
68%
Feels like
40°F
Dew Point
36°F
12 PM
47°F
0%
11mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
42°F
Dew Point
37°F
1 PM
49°F
0%
12mph
WNW
Mostly Cloudy
Humidity
66%
Feels like
44°F
Dew Point
38°F
2 PM
50°F
0%
13mph
WNW
Mostly Cloudy
Humidity
65%
Feels like
45°F
Dew Point
38°F
3 PM
50°F
0%
13mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
45°F
Dew Point
37°F
4 PM
49°F
0%
13mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
44°F
Dew Point
36°F
5 PM
47°F
0%
12mph
WNW
Partly Cloudy
Humidity
62%
Feels like
42°F
Dew Point
35°F
5:07 PM
6 PM
46°F
0%
11mph
WNW
Partly Cloudy
Humidity
65%
Feels like
40°F
Dew Point
35°F
7 PM
44°F
0%
11mph
NW
Mostly Clear
Humidity
68%
Feels like
39°F
Dew Point
35°F
8 PM
44°F
0%
11mph
NW
Partly Cloudy
Humidity
71%
Feels like
38°F
Dew Point
35°F
9 PM
43°F
0%
11mph
NW
Partly Cloudy
Humidity
73%
Feels like
37°F
Dew Point
35°F
10 PM
42°F
0%
11mph
NW
Partly Cloudy
Humidity
74%
Feels like
36°F
Dew Point
35°F
11 PM
42°F
0%
12mph
NNW
Partly Cloudy
Humidity
75%
Feels like
35°F
Dew Point
35°F

Tuesday's Weather Outlook

Today's Weather Outlook

Rain and snow showers will sweep through the Great Lakes as the Western U.S. begins a pattern of quiet and dry weather.

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

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Today's National Outlook

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