Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
43°F
6°C
| Humidity | 63% |
| Wind Speed | Calm |
| Barometer | 30.20 in |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 13 Nov 12:55 am CST |
Extended Forecast for
Sully IA
Overnight
Low: 38 °F
Partly Cloudy
Thursday
High: 61 °F
Mostly Sunny
Thursday Night
Low: 40 °F
Mostly Clear
Friday
High: 68 °F
Sunny
Friday Night
Low: 51 °F
Partly Cloudy
Saturday
High: 66 °F
Mostly Sunny
Saturday Night
Low: 35 °F
Mostly Clear
Sunday
High: 54 °F
Sunny
Sunday Night
Low: 35 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a steady temperature around 38. Calm wind.
Thursday
Mostly sunny, with a high near 61. Light southeast wind becoming south 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 40. South wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 51. South wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 35.
Monday
A 50 percent chance of rain after noon. Partly sunny, with a high near 51.
Monday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 47.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sully IA
41.58°N 92.84°W
41.58°N 92.84°W
10:16 pm CST Nov 12, 2025
1am CST Nov 13, 2025-6pm CST Nov 19, 2025
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