Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
51°F
11°C
| Humidity | 60% |
| Wind Speed | SE 6 mph |
| Barometer | 29.89 in |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 30 Mar 1:55 am CDT |
Extended Forecast for
Grinnell IA
Overnight

Low: 50 °F
Mostly Clear
Monday

High: 83 °F
Increasing
CloudsMonday Night

Low: 60 °F
Chance
T-stormsTuesday

High: 68 °F⇓
Chance
Showers and
BreezyTuesday Night

Low: 36 °F
Slight Chance
Showers and
BreezyWednesday
High: 45 °F
Chance
Showers then
Showers
Likely and
BreezyWednesday Night

Low: 34 °F
Showers and
BreezyThursday

High: 50 °F
Showers
Thursday Night

Low: 33 °F
Chance Rain
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 50. South southeast wind around 7 mph.
Monday
Increasing clouds, with a high near 83. South wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 60. South southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a chance of showers after 4pm. Partly sunny, with a temperature rising to near 68 by 10am, then falling to around 60 during the remainder of the day. Breezy, with a south southwest wind 14 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 36. Breezy, with a north wind 13 to 18 mph, with gusts as high as 28 mph.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers. Low around 34. Breezy. Chance of precipitation is 100%.
Thursday
Showers. High near 50. Chance of precipitation is 90%.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 33.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 57.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 39. Breezy. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 50. Windy.
Saturday Night
Mostly cloudy, with a low around 30. Windy.
Sunday
Mostly sunny, with a high near 50. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grinnell IA
41.75°N 92.69°W
41.75°N 92.69°W
1:27 am CDT Mar 30, 2026
2am CDT Mar 30, 2026-6pm CDT Apr 5, 2026


