


Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
16°C
61°F
Humidity | 51% |
Wind Speed | NE 7 km/h |
Barometer | 30.03 in |
Dewpoint | 6°C (43°F) |
Visibility | 16 km |
Last update | 18 May 11:35 am CDT |
Extended Forecast for
Grinnell IA
Today
High: 22 °C
Sunny
Tonight
Low: 9 °C
Partly Cloudy
then Chance
T-storms and
BreezyMonday
High: 18 °C
Showers
Likely and
WindyMonday Night
Low: 11 °C
T-storms and
WindyTuesday
High: 17 °C
Showers and
WindyTuesday Night
Low: 7 °C
Showers
Likely and
BreezyWednesday
High: 13 °C
Chance
ShowersWednesday Night
Low: 6 °C
Chance
ShowersThursday
High: 18 °C
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 22. East northeast wind 10 to 13 km/h.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 9. Breezy, with an east wind 16 to 21 km/h increasing to 24 to 29 km/h after midnight. Winds could gust as high as 40 km/h. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 18. Windy, with an east wind 35 to 37 km/h, with gusts as high as 50 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Monday Night
Showers and possibly a thunderstorm. Low around 11. Windy, with an east wind around 35 km/h, with gusts as high as 48 km/h. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 cm possible.
Tuesday
Showers and possibly a thunderstorm. High near 17. Windy, with an east wind 27 to 35 km/h, with gusts as high as 48 km/h. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 cm possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 7. Breezy. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 13. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 18.
Thursday Night
Mostly clear, with a low around 6.
Friday
Mostly sunny, with a high near 20.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 21.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grinnell IA
41.75°N 92.72°W
41.75°N 92.72°W
8:18 am CDT May 18, 2025
11am CDT May 18, 2025-6pm CDT May 24, 2025