I-80 weather conditions near Grinnell, Iowa

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 81°F 2025-06-22T22:55:00-05:00
• Tonight 2025-06-22, Clear and Breezy. Clear, with a low around 76. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 30 mph.
• Monday 2025-06-23, Breezy. Sunny then Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 91. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 26 mph. New rainfall amounts between a quarter and half of an inch possible.
• Monday Night 2025-06-23, Heavy Rain. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. West southwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
• Tuesday 2025-06-24, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. North wind around 6 mph becoming south in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
• Tuesday Night 2025-06-24, Chance T-storms then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. North northeast wind around 6 mph becoming south southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Wednesday 2025-06-25, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Wednesday Night 2025-06-25, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
• Thursday 2025-06-26, Chance Showers then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
• Thursday Night 2025-06-26, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
• Friday 2025-06-27, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
• Friday Night 2025-06-27, Partly Cloudy then Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
• Saturday 2025-06-28, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
• Saturday Night 2025-06-28, Partly Cloudy then Chance T-storms. A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
• Sunday 2025-06-29, Chance Showers then Chance T-storms. A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.