I-80 weather conditions near Johnston, Iowa
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 61°F 2024-04-30T23:55:00-05:00 
Overnight 2024-05-01, Mostly Clear. Mostly clear, with a low around 49. West wind 5 to 13 mph.Wednesday 2024-05-01, Partly Sunny then Slight Chance Showers. A 20 percent chance of showers after 1pm. Partly sunny, with a high near 70. West wind 7 to 10 mph becoming north northeast in the afternoon.
Wednesday Night 2024-05-01, Showers and Breezy. Showers and possibly a thunderstorm. Low around 54. Breezy, with an east northeast wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday 2024-05-02, Showers and Breezy. Showers and possibly a thunderstorm. High near 71. Breezy, with an east southeast wind around 18 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night 2024-05-02, Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 47. Northwest wind 8 to 15 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday 2024-05-03, Sunny. Sunny, with a high near 71.Friday Night 2024-05-03, Partly Cloudy then Chance Showers. A 30 percent chance of showers after 1am. Partly cloudy, with a low around 49.
Saturday 2024-05-04, Chance Showers. A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 68.- Saturday Night 2024-05-04, Mostly Clear. Mostly clear, with a low around 47.
Sunday 2024-05-05, Mostly Sunny. Mostly sunny, with a high near 72.
Monday 2024-05-06, Showers Likely and Breezy. Showers likely. Partly sunny, with a high near 76. Breezy. Chance of precipitation is 60%.- Monday Night 2024-05-06, Chance T-storms and Breezy. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Breezy.
Tuesday 2024-05-07, Chance T-storms and Windy. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75. Windy.