I-80 weather conditions near Grinnell, Iowa
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 64°F 2025-10-13T00:55:00-05:00 
Overnight 2025-10-13, Slight Chance Showers. A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 58. Southeast wind 6 to 9 mph becoming north. Chance of precipitation is 20%.
Columbus Day 2025-10-13, Mostly Sunny. Mostly sunny, with a high near 73. North northeast wind 9 to 14 mph, with gusts as high as 22 mph.- Monday Night 2025-10-13, Slight Chance Showers. A 20 percent chance of showers. Increasing clouds, with a low around 52. North northeast wind 6 to 8 mph.
Tuesday 2025-10-14, Chance Showers. A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 63. Northeast wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night 2025-10-14, Chance Showers. A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 51. East northeast wind 3 to 5 mph.
Wednesday 2025-10-15, Partly Sunny. Partly sunny, with a high near 69.
Wednesday Night 2025-10-15, Mostly Cloudy. Mostly cloudy, with a low around 53.- Thursday 2025-10-16, Mostly Sunny. Mostly sunny, with a high near 77.
- Thursday Night 2025-10-16, Mostly Cloudy. Mostly cloudy, with a low around 60.
Friday 2025-10-17, Partly Sunny then Chance Showers. A 30 percent chance of showers after 1pm. Partly sunny, with a high near 78.
Friday Night 2025-10-17, Chance Showers. A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Saturday 2025-10-18, Sunny. Sunny, with a high near 72.
Saturday Night 2025-10-18, Partly Cloudy. Partly cloudy, with a low around 45.- Sunday 2025-10-19, Sunny. Sunny, with a high near 64.