WxUSA - U.S. Weather Reports and Weather Links
City or Place:    State:  
Weather Forecasts
 U.S. Cities

My Locations



Weather News
 Weather News
 Earthquake News
 Hurricane News
 Tornado News
 Tsunami News
 Volcano News

Climate Data
 Selected Cities Forecast

Maps
 Forecast Maps
 National Forecast Maps
 National Warnings Map

Radar
 National Weather Service Radar

Tropical Systems
 Active Hurricanes/Storms

Johnston, IA
 79° 
Last Updated on Aug 19 2018, 11:55 am CDT
Current ConditionsA Few Clouds
Relative Humidity74%
WindSoutheast at 9.2 MPH
(8 KT)
Pressure29.94 mb
Dewpoint69.8 F (21.0 C)
Visibility10.00 miles

7-Day Forecast

This Afternoon
Partly Sunny
High: 85°
Partly sunny with a high near 85.
Southeast wind around 8 mph.


Tonight
Showers Likely then Heavy Rain and Patchy Fog
Low: 67°
A chance of showers and thunderstorms,
then showers and possibly a thunderstorm after 9pm.
Some of the storms could produce heavy rainfall.
Patchy fog after 4am.
Low around 67.
East northeast wind 6 to 10 mph.
Chance of precipitation is 100%.
New rainfall amounts
between three quarters and one inch possible.


Monday
T-storms
High: 75°
Showers and possibly a thunderstorm.
High near 75.
East northeast wind 10 to 14 mph becoming
north in the afternoon.
Winds could gust as high as 20 mph.
Chance of precipitation is 90%.
New rainfall amounts
between three quarters and one inch possible.


Monday Night
Chance T-storms and Breezy
Low: 62°
A 40% chance of showers and thunderstorms before 1am.
Mostly cloudy with a low around 62.
Breezy with a north northwest wind around 17 mph
with gusts as high as 26 mph.
New rainfall amounts
between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.


Tuesday
Partly Sunny
High: 77°
Partly sunny with a high near 77.
North northwest wind 13 to 15 mph
with gusts as high as 23 mph.


Tuesday Night
Partly Cloudy
Low: 56°
Partly cloudy with a low around 56.


Wednesday
Mostly Sunny
High: 79°
Mostly sunny with a high near 79.


Wednesday Night
Mostly Clear
Low: 58°
Mostly clear with a low around 58.


Thursday
Sunny
High: 82°
Sunny with a high near 82.


Thursday Night
Partly Cloudy then Chance T-storms
Low: 64°
A 50% chance of showers and thunderstorms after 1am.
Partly cloudy with a low around 64.


Friday
Chance T-storms
High: 85°
A 30% chance of showers and thunderstorms.
Partly sunny with a high near 85.


Friday Night
Partly Cloudy
Low: 67°
Partly cloudy with a low around 67.


Saturday
Sunny
High: 88°
Sunny with a high near 88.


Source: National Weather Service








Weather News and Weather Reports For Over 50,000 U.S. Locations

Copyright 1997-2018, www.wxusa.com
All specifications subject to change without notice.