I-35 weather conditions near Johnston, Iowa

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast and Breezy 39°F 2025-12-10T01:55:00-06:00
• Overnight 2025-12-10, Patchy Blowing Snow and Windy. Patchy blowing snow. Mostly cloudy, with a low around 26. Windy, with a north northwest wind 26 to 30 mph, with gusts as high as 49 mph.
• Wednesday 2025-12-10, Cloudy and Windy. Cloudy, with a temperature falling to around 25 by 5pm. Windy, with a northwest wind 23 to 28 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 46 mph.
• Wednesday Night 2025-12-10, Mostly Cloudy. Mostly cloudy, with a low around 15. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
• Thursday 2025-12-11, Mostly Cloudy then Chance Snow. A 40 percent chance of snow after noon. Cloudy, with a high near 29. Calm wind becoming south southeast 5 to 7 mph in the morning. New snow accumulation of less than a half inch possible.
• Thursday Night 2025-12-11, Chance Snow. A 30 percent chance of snow, mainly before midnight. Cloudy, with a low around 20. East southeast wind 5 to 7 mph becoming north after midnight. Little or no snow accumulation expected.
• Friday 2025-12-12, Mostly Cloudy. Mostly cloudy, with a high near 26.
• Friday Night 2025-12-12, Cloudy. Cloudy, with a low around 7.
• Saturday 2025-12-13, Chance Snow. A 40 percent chance of snow. Mostly cloudy, with a high near 11.
• Saturday Night 2025-12-13, Partly Cloudy. Partly cloudy, with a low around -7.
• Sunday 2025-12-14, Cold. Sunny and cold, with a high near 10.
• Sunday Night 2025-12-14, Partly Cloudy. Partly cloudy, with a low around 0.
• Monday 2025-12-15, Mostly Sunny. Mostly sunny, with a high near 28.
• Monday Night 2025-12-15, Partly Cloudy. Partly cloudy, with a low around 10.
• Tuesday 2025-12-16, Partly Sunny. Partly sunny, with a high near 31.