I-35 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 68°F 2025-07-11T22:55:00-05:00 
Tonight 2025-07-11, Mostly Cloudy. Mostly cloudy, with a low around 66. Northwest wind around 6 mph.
Saturday 2025-07-12, Mostly Sunny. Mostly sunny, with a high near 81. Northwest wind around 9 mph.
Saturday Night 2025-07-12, Mostly Clear. Mostly clear, with a low around 61. West northwest wind around 6 mph becoming calm in the evening.
Sunday 2025-07-13, Sunny. Sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the afternoon.- Sunday Night 2025-07-13, Mostly Clear. Mostly clear, with a low around 67. South southwest wind 3 to 5 mph.
- Monday 2025-07-14, Mostly Sunny. Mostly sunny, with a high near 89.
- Monday Night 2025-07-14, Partly Cloudy. Partly cloudy, with a low around 70.
Tuesday 2025-07-15, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87.
Tuesday Night 2025-07-15, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday 2025-07-16, Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night 2025-07-16, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.Thursday 2025-07-17, Mostly Cloudy then Chance Showers. A 30 percent chance of showers. Partly sunny, with a high near 81.
- Thursday Night 2025-07-17, Mostly Cloudy. Mostly cloudy, with a low around 62.
Friday 2025-07-18, Partly Sunny. Partly sunny, with a high near 79.