Hourly Weather Forecast - Johnston, IA

12 AM
19°F
0%
10mph
WNW
Partly Cloudy
Humidity
64%
Feels like
7°F
Dew Point
8°F
1 AM
18°F
0%
10mph
WNW
Partly Cloudy
Humidity
66%
Feels like
6°F
Dew Point
9°F
2 AM
17°F
0%
10mph
WNW
Partly Cloudy
Humidity
67%
Feels like
6°F
Dew Point
8°F
3 AM
17°F
0%
11mph
NW
Mostly Cloudy
Humidity
67%
Feels like
4°F
Dew Point
8°F
4 AM
16°F
0%
12mph
NW
Mostly Cloudy
Humidity
65%
Feels like
2°F
Dew Point
6°F
5 AM
15°F
0%
14mph
NW
Mostly Cloudy
Humidity
63%
Feels like
0°F
Dew Point
4°F
6 AM
13°F
0%
15mph
NW
Mostly Cloudy
Humidity
63%
Feels like
-2°F
Dew Point
3°F
7 AM
12°F
0%
15mph
NW
Mostly Cloudy
Humidity
63%
Feels like
-4°F
Dew Point
2°F
7:37 AM
8 AM
12°F
0%
15mph
NNW
Mostly Cloudy
Humidity
64%
Feels like
-4°F
Dew Point
2°F
9 AM
13°F
0%
15mph
NNW
Mostly Cloudy
Humidity
63%
Feels like
-2°F
Dew Point
3°F
10 AM
15°F
0%
15mph
NNW
Mostly Cloudy
Humidity
60%
Feels like
0°F
Dew Point
4°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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