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Current Weather Conditions for Johnston, IA

Showers and thunderstorms. Some of the storms could be severe and produce heavy rain. Cloudy, with a low around 69. North northwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
75°F

Conditions

Wind: 3 mph SSW
Humidity: 94%
Probability of Precipitation: 73%

Hourly Forcast (next 12 hours)

5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM
75° 73° 71° 70° 69° 69° 69° 69° 70° 72° 73° 74° 75°

Upcoming Week

Day Forecast High Low
Overnight
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could be severe and produce heavy rain. Cloudy, with a low around 69. North northwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
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Friday
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy. High near 82, with temperatures falling to around 80 in the afternoon. East wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
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Friday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. North northwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
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Saturday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. Northwest wind 6 to 9 mph. Chance of precipitation is 30%.
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Saturday Night
Mostly Clear
Mostly clear, with a low around 62. Northwest wind 2 to 7 mph.
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Sunday
Sunny
Sunny, with a high near 84.
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Sunday Night
Mostly Clear
Mostly clear, with a low around 66.
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Monday
Sunny
Sunny, with a high near 89.
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Monday Night
Partly Cloudy
Partly cloudy, with a low around 71.
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Tuesday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 88. Chance of precipitation is 30%.
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Tuesday Night
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
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Wednesday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
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Wednesday Night
Chance Rain Showers then Slight Chance Showers And Thunderstorms
A chance of rain showers before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
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Thursday
Slight Chance Showers And Thunderstorms then Mostly Sunny
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 75.
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Data provided by weather.gov