Johnston, Iowa Weather
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Weather Forecast for Johnston, Iowa : Polk County
Issued: 11:49 pm CDT May 5, 2024 Latitude: 41.673044 Longitude: -93.697721 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Overnight Mostly Cloudy on Monday 30% chance of thunderstorms on Tuesday 60% chance of thunderstorms on Wednesday 50% chance of thunderstorms on Thursday 30% chance of rain on Friday Mostly Sunny on Saturday Sunny on Sunday
Low: 49°F High: 75°F High: 72°F High: 72°F High: 65°F High: 67°F High: 70°F High: 76°F
Low: 56°F Low: 52°F Low: 48°F Low: 45°F Low: 47°F Low: 48°F  
Mostly Clear Mostly Cloudy Thunderstorms Thunderstorms Thunderstorms Rain Mostly Sunny Sunny
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Current Conditions at
ANKENY - (KIKV)
54°
Clear
as of 12:15 AM CDST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DES MOINES - (KDSM)
59°
Mostly Clear
as of 11:54 PM CDST
Rel. Humidity: 58%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
9 MPH
110° East
Cloud Level(s): Few at 9000ft
Current Conditions at
AMES MUNICIPAL ARPT - (KAMW)
52°
Clear
as of 11:53 PM CDST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
5 MPH
110° East
Cloud Level(s): Clear
Current Conditions at
CHARITON - (KCNC)
55°
Mostly Clear
as of 12:15 AM CDST
Rel. Humidity: 76%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
6 MPH
120° Southeast
Cloud Level(s): Few at 11000ft
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 49. East southeast wind around 6 mph.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 75. Breezy, with a southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
90% chance of thunderstorms Monday Night Monday Night... Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rainfall. Low around 56. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
30% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Breezy, with a west southwest wind 11 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Tuesday Night Tuesday Night... A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 52. South southwest wind 6 to 13 mph, with gusts as high as 18 mph.
60% chance of thunderstorms Wednesday Wednesday... A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 72. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Wednesday Night Wednesday Night... A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 48.
50% chance of thunderstorms Thursday Thursday... A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 65. Breezy.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 45.
30% chance of rain Friday Friday... A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 67.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 47.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 70. Breezy.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 48.
Sunny on Sunday Sunday... Sunny, with a high near 76.
Current Radar Image


Sun Almanac for Johnston, Iowa
Sunrise: 06:04 AM
Sunset: 8:19 PM
Civil Sunrise:05:33 AM
Civil Sunset: 8:50 PM
Nautical Sunrise: 04:55 AM
Nautical Sunset: 9:28 PM
Astro Sunrise: 04:13 AM
Astro Sunset: 10:10 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.