
Excessive Rainfall Possible This Weekend; October Heat Wave in California
A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
73°F
23°C
| Humidity | 33% |
| Wind Speed | NW 9 mph |
| Barometer | 30.26 in |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 4 Oct 2:35 pm CDT |
Extended Forecast for
Grinnell IA
This Afternoon

High: 71 °F
Sunny
Tonight

Low: 46 °F
Clear
Monday

High: 69 °F
Sunny
Monday Night

Low: 50 °F
Clear
Tuesday

High: 74 °F
Sunny
Tuesday Night

Low: 54 °F
Clear
Wednesday

High: 73 °F
Sunny
Wednesday Night

Low: 50 °F
Mostly Clear
Thursday

High: 70 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 71. North northwest wind around 7 mph.
Tonight
Clear, with a low around 46. Light north northwest wind.
Monday
Sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Clear, with a low around 50. South wind 5 to 7 mph.
Tuesday
Sunny, with a high near 74. South wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 74.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Grinnell IA
41.73°N 92.72°W
41.73°N 92.72°W
1:27 pm CDT Oct 4, 2026
2pm CDT Oct 4, 2026-6pm CDT Oct 10, 2026


