Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Mostly Cloudy
50°F
10°C
| Humidity | 54% |
| Wind Speed | Calm |
| Barometer | 30.07 in |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 2:55 am CDT |
Extended Forecast for
Grinnell IA
Overnight

Low: 40 °F
Mostly Cloudy
Thursday
High: 61 °F
Mostly Sunny
then Showers
LikelyThursday Night

Low: 40 °F
Showers
Friday

High: 57 °F
Mostly Sunny
Friday Night

Low: 38 °F
Mostly Clear
Saturday

High: 60 °F
Chance
ShowersSaturday Night

Low: 55 °F
Chance
T-stormsSunday

High: 71 °F
Showers
Likely and
WindySunday Night

Low: 60 °F
Chance
T-storms and
Windy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 40. West southwest wind 3 to 5 mph.
Thursday
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 61. North wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 4am. Low around 40. North northeast wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday
Mostly sunny, with a high near 57. North northeast wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 38. East wind 3 to 6 mph.
Saturday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 60. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Sunday
Showers likely, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Windy. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 80. Windy.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 60. Breezy. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74. Breezy. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 64.
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
1:26 am CDT Apr 9, 2026
3am CDT Apr 9, 2026-6pm CDT Apr 15, 2026



