I-80 weather conditions near Johnston, Iowa

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fog/Mist 28°F 2025-11-21T23:35:00-06:00
• Tonight 2025-11-21, Partly Cloudy. Partly cloudy, with a low around 31. Light and variable wind.
• Saturday 2025-11-22, Sunny. Sunny, with a high near 59. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
• Saturday Night 2025-11-22, Mostly Clear. Mostly clear, with a low around 32. West northwest wind 5 to 7 mph becoming calm after midnight.
• Sunday 2025-11-23, Sunny. Sunny, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.
• Sunday Night 2025-11-23, Mostly Cloudy. Mostly cloudy, with a low around 41. South wind around 6 mph.
• Monday 2025-11-24, Rain. Rain. High near 55. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
• Monday Night 2025-11-24, Chance Rain. A 50 percent chance of rain. Mostly cloudy, with a low around 42.
• Tuesday 2025-11-25, Mostly Sunny. Mostly sunny, with a high near 50.
• Tuesday Night 2025-11-25, Partly Cloudy. Partly cloudy, with a low around 27.
• Wednesday 2025-11-26, Mostly Sunny. Mostly sunny, with a high near 39.
• Wednesday Night 2025-11-26, Partly Cloudy. Partly cloudy, with a low around 24.
• Thanksgiving Day 2025-11-27, Partly Sunny. Partly sunny, with a high near 37.
• Thursday Night 2025-11-27, Partly Cloudy. Partly cloudy, with a low around 21.
• Friday 2025-11-28, Partly Sunny. Partly sunny, with a high near 35.