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 70°F 2025-06-14T03:55:00-05:00 
Today 2025-06-14, Partly Sunny. Partly sunny, with a high near 84. Southeast wind 5 to 7 mph.Tonight 2025-06-14, Partly Cloudy then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 67. Southeast wind around 6 mph.
Sunday 2025-06-15, Slight Chance T-storms then Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. South southeast wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night 2025-06-15, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday 2025-06-16, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 88. South wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night 2025-06-16, Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.Tuesday 2025-06-17, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Tuesday Night 2025-06-17, Heavy Rain. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 66. Chance of precipitation is 80%.Wednesday 2025-06-18, Showers Likely then T-storms Likely. Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Wednesday Night 2025-06-18, Chance T-storms. A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 85.
Thursday Night 2025-06-19, Partly Cloudy. Partly cloudy, with a low around 65.
Friday 2025-06-20, Mostly Sunny. Mostly sunny, with a high near 87.