Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.
Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Drizzle
59°F
15°C
| Humidity | 96% |
| Wind Speed | SE 7 mph |
| Barometer | 29.98 in |
| Dewpoint | 58°F (14°C) |
| Visibility | 4.00 mi |
| Last update | 15 Oct 10:35 am CDT |
Extended Forecast for
Sully IA
Today
High: 62 °F
Showers
Tonight
Low: 45 °F
Breezy.
Chance
Showers then
Partly CloudyFriday
High: 52 °F
Mostly Cloudy
and WindyFriday Night
Low: 32 °F
Decreasing
Clouds then
Patchy FrostSaturday
High: 59 °F
Frost then
SunnySaturday Night
Low: 39 °F
Clear
Sunday
High: 65 °F
Sunny
Sunday Night
Low: 44 °F
Mostly Clear
Monday
High: 68 °F
Mostly Sunny
Detailed Forecast
Today
Showers. High near 62. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 45. Breezy, with a northwest wind 13 to 17 mph, with gusts as high as 29 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 52. Windy, with a north northwest wind 20 to 23 mph, with gusts as high as 36 mph.
Friday Night
Patchy frost after 2am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 32. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 21 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 73.
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
6:01 am CDT Oct 15, 2026
10am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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