I-80 weather conditions near Grinnell, Iowa

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 77°F 2025-06-18T16:55:00-05:00
• This Afternoon 2025-06-18, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. North northwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Tonight 2025-06-18, Chance T-storms then Mostly Clear. A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West northwest wind 6 to 9 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Juneteenth 2025-06-19, Sunny. Sunny, with a high near 86. West wind 6 to 8 mph.
• Thursday Night 2025-06-19, Mostly Clear then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 67. South wind 6 to 9 mph.
• Friday 2025-06-20, Chance T-storms and Breezy then Sunny and Windy. A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 92. Windy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Friday Night 2025-06-20, Clear and Breezy. Clear, with a low around 76. Breezy.
• Saturday 2025-06-21, Sunny and Windy. Sunny, with a high near 96. Windy.
• Saturday Night 2025-06-21, Clear and Breezy. Clear, with a low around 76. Breezy.
• Sunday 2025-06-22, Sunny and Windy. Sunny, with a high near 96. Windy.
• Sunday Night 2025-06-22, Clear and Breezy then Mostly Clear. Clear, with a low around 75. Breezy.
• Monday 2025-06-23, Sunny then Chance Showers. A 30 percent chance of showers. Sunny, with a high near 94.
• Monday Night 2025-06-23, Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
• Tuesday 2025-06-24, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
• Tuesday Night 2025-06-24, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
• Wednesday 2025-06-25, Showers Likely. Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86.