Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
20°F
-7°C
| Humidity | 68% |
| Wind Speed | NW 10 mph |
| Barometer | 30.29 in |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 9°F (-13°C) |
| Last update | 21 Feb 11:55 am CST |
Extended Forecast for
3 Miles NNW Hartwick IA
This Afternoon

High: 23 °F
Mostly Cloudy
Tonight

Low: 9 °F
Mostly Cloudy
Sunday

High: 19 °F
Partly Sunny
and BlusterySunday Night

Low: 4 °F
Partly Cloudy
Monday

High: 19 °F
Sunny
Monday Night

Low: 7 °F
Partly Cloudy
Tuesday

High: 40 °F
Partly Sunny
Tuesday Night

Low: 25 °F
Mostly Cloudy
Wednesday

High: 39 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 23. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 9. Wind chill values as low as -5. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 19. Wind chill values as low as -10. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 4. Wind chill values as low as -10. North northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 19. North northwest wind 5 to 10 mph becoming light northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 50.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNW Hartwick IA
41.81°N 92.37°W
41.81°N 92.37°W
11:16 am CST Feb 21, 2026
12pm CST Feb 21, 2026-6pm CST Feb 27, 2026


