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Johnston, IA
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7-Day Forecast
Today
Slight Chance Rain then Slight Chance T-storms
High: 70°
A slight chance of rain before noon, then a slight chance of showers between noon and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy with a high near 70. Southeast wind 7 to 10 mph with gusts as high as 20 mph. Chance of precipitation is 20%.
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Tonight
Showers
Low: 42°
Showers and thunderstorms before 4am, then showers likely. Low around 42. Southeast wind 9 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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Sunday
Chance T-storms then Chance Showers and Breezy
High: 48°
A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers after 1pm. Cloudy with a temperature falling to around 43 by 9am. Breezy with a northwest wind 11 to 18 mph with gusts as high as 29 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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Sunday Night
Slight Chance Rain/Snow and Blustery then Slight Chance Snow
Low: 31°
A slight chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 1am. Mostly cloudy with a low around 31. Blustery with a north northwest wind 14 to 18 mph with gusts as high as 28 mph. Chance of precipitation is 20%.
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Monday
Mostly Sunny
High: 49°
Mostly sunny with a high near 49. North wind 10 to 13 mph with gusts as high as 20 mph.
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Monday Night
Partly Cloudy
Low: 32°
Partly cloudy with a low around 32.
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Tuesday
Chance Rain/Snow and Windy
High: 53°
A slight chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy with a high near 53. Windy. Chance of precipitation is 40%.
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Tuesday Night
Rain and Breezy
Low: 45°
Rain. Low around 45. Breezy. Chance of precipitation is 100%.
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Wednesday
Chance Rain and Windy
High: 67°
A 50% chance of rain before 1pm. Partly sunny with a high near 67. Windy.
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Wednesday Night
Partly Cloudy
Low: 38°
Partly cloudy with a low around 38.
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Thursday
Mostly Sunny
High: 60°
Mostly sunny with a high near 60.
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Thursday Night
Partly Cloudy
Low: 39°
Partly cloudy with a low around 39.
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Friday
Mostly Sunny
High: 63°
Mostly sunny with a high near 63.
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Source: National Weather Service
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