Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Overcast
64°F
18°C
| Humidity | 86% |
| Wind Speed | SE 3 mph |
| Barometer | 30.10 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 25 Aug 2:55 am CDT |
Extended Forecast for
Sully IA
Overnight
Low: 62 °F
Mostly Cloudy
Tuesday
High: 83 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Mostly Cloudy
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 63 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 60 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 65 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 62. Light east southeast wind.
Tuesday
Mostly sunny, with a high near 83. Southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 67. Calm wind becoming west southwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 84. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 63. Northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
Partly sunny, with a high near 88.
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
2:06 am CDT Aug 25, 2026
3am CDT Aug 25, 2026-6pm CDT Aug 31, 2026
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