Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Grinnell IA
Overnight

Low: 3 °F
Mostly Clear
Tuesday
High: 26 °F
Mostly Sunny
then Chance
SnowTuesday Night
Low: 24 °F
Snow Likely
then Mostly
CloudyWednesday

High: 49 °F
Mostly Sunny
Wednesday Night

Low: 35 °F
Mostly Cloudy
Thursday

High: 61 °F
Sunny
Thursday Night

Low: 41 °F
Partly Cloudy
Friday

High: 70 °F
Mostly Sunny
Friday Night

Low: 42 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 3. Wind chill values as low as -5. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday
A chance of flurries between 3pm and 4pm, then a chance of snow after 4pm. Increasing clouds, with a high near 26. Wind chill values as low as -10. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 24. South southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 49. West wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 35. South wind 3 to 6 mph.
Thursday
Sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly cloudy, with a high near 46.
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
10:43 pm CDT Mar 16, 2026
1am CDT Mar 17, 2026-6pm CDT Mar 23, 2026


